release 2.7.4 (#3043)

diff --git a/archetypes/business-service-jaxrs/pom.xml b/archetypes/business-service-jaxrs/pom.xml
index e62a283..1649ca0 100644
--- a/archetypes/business-service-jaxrs/pom.xml
+++ b/archetypes/business-service-jaxrs/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>archetypes</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <groupId>org.apache.servicecomb.archetypes</groupId>
diff --git a/archetypes/business-service-pojo/pom.xml b/archetypes/business-service-pojo/pom.xml
index 801b7a7..8e4a40f 100644
--- a/archetypes/business-service-pojo/pom.xml
+++ b/archetypes/business-service-pojo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>archetypes</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <groupId>org.apache.servicecomb.archetypes</groupId>
diff --git a/archetypes/business-service-spring-boot2-starter/pom.xml b/archetypes/business-service-spring-boot2-starter/pom.xml
index f90c554..5f7bdbb 100644
--- a/archetypes/business-service-spring-boot2-starter/pom.xml
+++ b/archetypes/business-service-spring-boot2-starter/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>archetypes</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <groupId>org.apache.servicecomb.archetypes</groupId>
diff --git a/archetypes/business-service-springmvc/pom.xml b/archetypes/business-service-springmvc/pom.xml
index 70d7fea..d3c8248 100644
--- a/archetypes/business-service-springmvc/pom.xml
+++ b/archetypes/business-service-springmvc/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>archetypes</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <groupId>org.apache.servicecomb.archetypes</groupId>
diff --git a/archetypes/pom.xml b/archetypes/pom.xml
index dd922aa..51d02b1 100644
--- a/archetypes/pom.xml
+++ b/archetypes/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
 
diff --git a/clients/config-center-client/pom.xml b/clients/config-center-client/pom.xml
index a6c6c8a..4a32b5b 100644
--- a/clients/config-center-client/pom.xml
+++ b/clients/config-center-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>clients</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/config-common/pom.xml b/clients/config-common/pom.xml
index 0567ec5..3aecc49 100644
--- a/clients/config-common/pom.xml
+++ b/clients/config-common/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>clients</artifactId>
         <groupId>org.apache.servicecomb</groupId>
-        <version>2.8.0-SNAPSHOT</version>
+        <version>2.7.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/config-kie-client/pom.xml b/clients/config-kie-client/pom.xml
index f956512..a929041 100644
--- a/clients/config-kie-client/pom.xml
+++ b/clients/config-kie-client/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>clients</artifactId>
         <groupId>org.apache.servicecomb</groupId>
-        <version>2.8.0-SNAPSHOT</version>
+        <version>2.7.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/http-client-common/pom.xml b/clients/http-client-common/pom.xml
index 4d3c618..82007ed 100644
--- a/clients/http-client-common/pom.xml
+++ b/clients/http-client-common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>clients</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/clients/pom.xml b/clients/pom.xml
index c71c185..24c251c 100644
--- a/clients/pom.xml
+++ b/clients/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/clients/service-center-client/pom.xml b/clients/service-center-client/pom.xml
index bf987c6..1e14156 100755
--- a/clients/service-center-client/pom.xml
+++ b/clients/service-center-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>clients</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/common/common-access-log/pom.xml b/common/common-access-log/pom.xml
index 34bb813..5ffa9fb 100644
--- a/common/common-access-log/pom.xml
+++ b/common/common-access-log/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>common</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/common/common-protobuf/pom.xml b/common/common-protobuf/pom.xml
index 0281a8d..cfcb985 100644
--- a/common/common-protobuf/pom.xml
+++ b/common/common-protobuf/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>common</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>common-protobuf</artifactId>
   <name>Java Chassis::Common::Protobuf</name>
diff --git a/common/common-rest/pom.xml b/common/common-rest/pom.xml
index bba31bd..fa66a4f1 100644
--- a/common/common-rest/pom.xml
+++ b/common/common-rest/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>common</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>common-rest</artifactId>
diff --git a/common/pom.xml b/common/pom.xml
index 04ffad0..89e23ed 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>common</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index c357408..1dfd3c3 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>java-chassis-core</artifactId>
diff --git a/coverage-reports/pom.xml b/coverage-reports/pom.xml
index a23a2b5..d0da1b9 100644
--- a/coverage-reports/pom.xml
+++ b/coverage-reports/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/demo/demo-crossapp/crossapp-client/pom.xml b/demo/demo-crossapp/crossapp-client/pom.xml
index f020760..523e354 100644
--- a/demo/demo-crossapp/crossapp-client/pom.xml
+++ b/demo/demo-crossapp/crossapp-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-crossapp</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>crossapp-client</artifactId>
   <name>Java Chassis::Demo::CrossApp::Client</name>
diff --git a/demo/demo-crossapp/crossapp-server/pom.xml b/demo/demo-crossapp/crossapp-server/pom.xml
index 7556f86..65fb446 100644
--- a/demo/demo-crossapp/crossapp-server/pom.xml
+++ b/demo/demo-crossapp/crossapp-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-crossapp</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>crossapp-server</artifactId>
   <name>Java Chassis::Demo::CrossApp::Server</name>
diff --git a/demo/demo-crossapp/pom.xml b/demo/demo-crossapp/pom.xml
index 4fdcb3e..63e6874 100644
--- a/demo/demo-crossapp/pom.xml
+++ b/demo/demo-crossapp/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-crossapp</artifactId>
   <name>Java Chassis::Demo::CrossApp</name>
diff --git a/demo/demo-cse-v1/consumer/pom.xml b/demo/demo-cse-v1/consumer/pom.xml
index 33fbad0..81ec8fc 100644
--- a/demo/demo-cse-v1/consumer/pom.xml
+++ b/demo/demo-cse-v1/consumer/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v1-consumer</artifactId>
diff --git a/demo/demo-cse-v1/gateway/pom.xml b/demo/demo-cse-v1/gateway/pom.xml
index 725a5c5..daa6f28 100644
--- a/demo/demo-cse-v1/gateway/pom.xml
+++ b/demo/demo-cse-v1/gateway/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v1-gateway</artifactId>
diff --git a/demo/demo-cse-v1/pom.xml b/demo/demo-cse-v1/pom.xml
index 9152ab4..18f9eab 100644
--- a/demo/demo-cse-v1/pom.xml
+++ b/demo/demo-cse-v1/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-cse-v1</artifactId>
   <name>Java Chassis::Demo::CSE-V1</name>
diff --git a/demo/demo-cse-v1/provider-canary/pom.xml b/demo/demo-cse-v1/provider-canary/pom.xml
index 8865f8c..4e578a4 100644
--- a/demo/demo-cse-v1/provider-canary/pom.xml
+++ b/demo/demo-cse-v1/provider-canary/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v1-provider-canary</artifactId>
diff --git a/demo/demo-cse-v1/provider/pom.xml b/demo/demo-cse-v1/provider/pom.xml
index c30931e..90a8b44 100644
--- a/demo/demo-cse-v1/provider/pom.xml
+++ b/demo/demo-cse-v1/provider/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v1-provider</artifactId>
diff --git a/demo/demo-cse-v1/test-client/pom.xml b/demo/demo-cse-v1/test-client/pom.xml
index 61d79be..50707d5 100644
--- a/demo/demo-cse-v1/test-client/pom.xml
+++ b/demo/demo-cse-v1/test-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v1</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v1-test-client</artifactId>
diff --git a/demo/demo-cse-v2/consumer/pom.xml b/demo/demo-cse-v2/consumer/pom.xml
index d82ee7c..dc4f881 100644
--- a/demo/demo-cse-v2/consumer/pom.xml
+++ b/demo/demo-cse-v2/consumer/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v2</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v2-consumer</artifactId>
diff --git a/demo/demo-cse-v2/gateway/pom.xml b/demo/demo-cse-v2/gateway/pom.xml
index 5a249fc..0c80d94 100644
--- a/demo/demo-cse-v2/gateway/pom.xml
+++ b/demo/demo-cse-v2/gateway/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v2</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v2-gateway</artifactId>
diff --git a/demo/demo-cse-v2/pom.xml b/demo/demo-cse-v2/pom.xml
index 91e50a9..b654b25 100644
--- a/demo/demo-cse-v2/pom.xml
+++ b/demo/demo-cse-v2/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-cse-v2</artifactId>
   <name>Java Chassis::Demo::CSE-V2</name>
diff --git a/demo/demo-cse-v2/provider/pom.xml b/demo/demo-cse-v2/provider/pom.xml
index bd90570..ded09e2 100644
--- a/demo/demo-cse-v2/provider/pom.xml
+++ b/demo/demo-cse-v2/provider/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v2</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v2-provider</artifactId>
diff --git a/demo/demo-cse-v2/test-client/pom.xml b/demo/demo-cse-v2/test-client/pom.xml
index 475810d..da3f514 100644
--- a/demo/demo-cse-v2/test-client/pom.xml
+++ b/demo/demo-cse-v2/test-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-cse-v2</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>cse-v2-test-client</artifactId>
diff --git a/demo/demo-edge/authentication/pom.xml b/demo/demo-edge/authentication/pom.xml
index 8327ba6..71a96eb 100644
--- a/demo/demo-edge/authentication/pom.xml
+++ b/demo/demo-edge/authentication/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>authentication</artifactId>
   <name>Java Chassis::Demo::Edge::Authentication</name>
diff --git a/demo/demo-edge/business-1-1-0/pom.xml b/demo/demo-edge/business-1-1-0/pom.xml
index e848c33..49c9d57 100644
--- a/demo/demo-edge/business-1-1-0/pom.xml
+++ b/demo/demo-edge/business-1-1-0/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>business-1-1-0</artifactId>
   <name>Java Chassis::Demo::Edge::Business 1.1.0</name>
diff --git a/demo/demo-edge/business-1.0.0/pom.xml b/demo/demo-edge/business-1.0.0/pom.xml
index 0c01ec6..aa442c0 100644
--- a/demo/demo-edge/business-1.0.0/pom.xml
+++ b/demo/demo-edge/business-1.0.0/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>business-1-0-0</artifactId>
   <name>Java Chassis::Demo::Edge::Business 1.0.0</name>
diff --git a/demo/demo-edge/business-2.0.0/pom.xml b/demo/demo-edge/business-2.0.0/pom.xml
index a5aa49b..9b4cdbb 100644
--- a/demo/demo-edge/business-2.0.0/pom.xml
+++ b/demo/demo-edge/business-2.0.0/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>business-2-0-0</artifactId>
   <name>Java Chassis::Demo::Edge::Business 2.0.0</name>
diff --git a/demo/demo-edge/consumer/pom.xml b/demo/demo-edge/consumer/pom.xml
index e8ecfc5..a6f70b9 100644
--- a/demo/demo-edge/consumer/pom.xml
+++ b/demo/demo-edge/consumer/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>consumer</artifactId>
   <name>Java Chassis::Demo::Edge::Consumer</name>
diff --git a/demo/demo-edge/edge-service/pom.xml b/demo/demo-edge/edge-service/pom.xml
index 15985a4..6b9445d 100644
--- a/demo/demo-edge/edge-service/pom.xml
+++ b/demo/demo-edge/edge-service/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>edge-service</artifactId>
   <name>Java Chassis::Demo::Edge::Service</name>
diff --git a/demo/demo-edge/model/pom.xml b/demo/demo-edge/model/pom.xml
index 8643004..bae75ad 100644
--- a/demo/demo-edge/model/pom.xml
+++ b/demo/demo-edge/model/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-edge</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>model</artifactId>
   <name>Java Chassis::Demo::Edge::Model</name>
diff --git a/demo/demo-edge/pom.xml b/demo/demo-edge/pom.xml
index e2b0740..295bc31 100644
--- a/demo/demo-edge/pom.xml
+++ b/demo/demo-edge/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-edge</artifactId>
   <name>Java Chassis::Demo::Edge</name>
diff --git a/demo/demo-filter/filter-client/pom.xml b/demo/demo-filter/filter-client/pom.xml
index 0519a32..1276bd5 100644
--- a/demo/demo-filter/filter-client/pom.xml
+++ b/demo/demo-filter/filter-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-filter</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>filter-client</artifactId>
   <name>Java Chassis::Demo::Filter::Client</name>
diff --git a/demo/demo-filter/filter-server/pom.xml b/demo/demo-filter/filter-server/pom.xml
index acf86dd..5d3887c 100644
--- a/demo/demo-filter/filter-server/pom.xml
+++ b/demo/demo-filter/filter-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-filter</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>filter-server</artifactId>
   <name>Java Chassis::Demo::Filter::Server</name>
diff --git a/demo/demo-filter/pom.xml b/demo/demo-filter/pom.xml
index c985189..b95e1c4 100644
--- a/demo/demo-filter/pom.xml
+++ b/demo/demo-filter/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-filter</artifactId>
   <name>Java Chassis::Demo::Filter</name>
diff --git a/demo/demo-jaxrs/jaxrs-client/pom.xml b/demo/demo-jaxrs/jaxrs-client/pom.xml
index b1614fc..bb1b8f5 100644
--- a/demo/demo-jaxrs/jaxrs-client/pom.xml
+++ b/demo/demo-jaxrs/jaxrs-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-jaxrs</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>jaxrs-client</artifactId>
   <name>Java Chassis::Demo::JAXRS::Client</name>
diff --git a/demo/demo-jaxrs/jaxrs-server/pom.xml b/demo/demo-jaxrs/jaxrs-server/pom.xml
index 37e55c5..712637e 100644
--- a/demo/demo-jaxrs/jaxrs-server/pom.xml
+++ b/demo/demo-jaxrs/jaxrs-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-jaxrs</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>jaxrs-server</artifactId>
   <name>Java Chassis::Demo::JAXRS::Server</name>
diff --git a/demo/demo-jaxrs/pom.xml b/demo/demo-jaxrs/pom.xml
index 74ff743..7b7ae02 100644
--- a/demo/demo-jaxrs/pom.xml
+++ b/demo/demo-jaxrs/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-jaxrs</artifactId>
   <name>Java Chassis::Demo::JAXRS</name>
diff --git a/demo/demo-local-registry/demo-local-registry-client/pom.xml b/demo/demo-local-registry/demo-local-registry-client/pom.xml
index 7271c98..471fa42 100644
--- a/demo/demo-local-registry/demo-local-registry-client/pom.xml
+++ b/demo/demo-local-registry/demo-local-registry-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-local-registry</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-local-registry/demo-local-registry-server/pom.xml b/demo/demo-local-registry/demo-local-registry-server/pom.xml
index 0ce6d7d..7f73ca3 100644
--- a/demo/demo-local-registry/demo-local-registry-server/pom.xml
+++ b/demo/demo-local-registry/demo-local-registry-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-local-registry</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-local-registry/pom.xml b/demo/demo-local-registry/pom.xml
index 22678ab..3337154 100644
--- a/demo/demo-local-registry/pom.xml
+++ b/demo/demo-local-registry/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-local-registry</artifactId>
   <name>Java Chassis::Demo::Local Registry</name>
diff --git a/demo/demo-multi-registries/demo-multi-registries-client/pom.xml b/demo/demo-multi-registries/demo-multi-registries-client/pom.xml
index 8671db9..13dab2a 100644
--- a/demo/demo-multi-registries/demo-multi-registries-client/pom.xml
+++ b/demo/demo-multi-registries/demo-multi-registries-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-registries</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-registries/demo-multi-registries-server/pom.xml b/demo/demo-multi-registries/demo-multi-registries-server/pom.xml
index d08be42..6d5f8b5 100644
--- a/demo/demo-multi-registries/demo-multi-registries-server/pom.xml
+++ b/demo/demo-multi-registries/demo-multi-registries-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-registries</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-registries/pom.xml b/demo/demo-multi-registries/pom.xml
index 92a8b9a..79d0722 100644
--- a/demo/demo-multi-registries/pom.xml
+++ b/demo/demo-multi-registries/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-multi-registries</artifactId>
   <name>Java Chassis::Demo::Multi Registry</name>
diff --git a/demo/demo-multi-service-center/demo-multi-service-center-client/pom.xml b/demo/demo-multi-service-center/demo-multi-service-center-client/pom.xml
index 929dd17..74ea721 100644
--- a/demo/demo-multi-service-center/demo-multi-service-center-client/pom.xml
+++ b/demo/demo-multi-service-center/demo-multi-service-center-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-service-center</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-service-center/demo-multi-service-center-serverA/pom.xml b/demo/demo-multi-service-center/demo-multi-service-center-serverA/pom.xml
index af834e5..6a4c413 100644
--- a/demo/demo-multi-service-center/demo-multi-service-center-serverA/pom.xml
+++ b/demo/demo-multi-service-center/demo-multi-service-center-serverA/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-service-center</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-service-center/demo-multi-service-center-serverB/pom.xml b/demo/demo-multi-service-center/demo-multi-service-center-serverB/pom.xml
index 0b26073..7bccf4d 100644
--- a/demo/demo-multi-service-center/demo-multi-service-center-serverB/pom.xml
+++ b/demo/demo-multi-service-center/demo-multi-service-center-serverB/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multi-service-center</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-multi-service-center/pom.xml b/demo/demo-multi-service-center/pom.xml
index 25e84b3..48e72de 100644
--- a/demo/demo-multi-service-center/pom.xml
+++ b/demo/demo-multi-service-center/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-multi-service-center</artifactId>
   <name>Java Chassis::Demo::Multi Service Centers</name>
diff --git a/demo/demo-multiple/a-client/pom.xml b/demo/demo-multiple/a-client/pom.xml
index b699c99..54c55d0 100644
--- a/demo/demo-multiple/a-client/pom.xml
+++ b/demo/demo-multiple/a-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>a-client</artifactId>
   <name>Java Chassis::Demo::Multiple::A client</name>
diff --git a/demo/demo-multiple/a-server/pom.xml b/demo/demo-multiple/a-server/pom.xml
index 959e3ae..4137ea7 100644
--- a/demo/demo-multiple/a-server/pom.xml
+++ b/demo/demo-multiple/a-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>a-server</artifactId>
   <name>Java Chassis::Demo::Multiple::A server</name>
diff --git a/demo/demo-multiple/b-client/pom.xml b/demo/demo-multiple/b-client/pom.xml
index 39e9a57..bddf369 100644
--- a/demo/demo-multiple/b-client/pom.xml
+++ b/demo/demo-multiple/b-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>b-client</artifactId>
   <name>Java Chassis::Demo::Multiple::B client</name>
diff --git a/demo/demo-multiple/b-server/pom.xml b/demo/demo-multiple/b-server/pom.xml
index f92571c..277f4f6 100644
--- a/demo/demo-multiple/b-server/pom.xml
+++ b/demo/demo-multiple/b-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>b-server</artifactId>
diff --git a/demo/demo-multiple/multiple-client/pom.xml b/demo/demo-multiple/multiple-client/pom.xml
index 67bca40..304ac8a 100644
--- a/demo/demo-multiple/multiple-client/pom.xml
+++ b/demo/demo-multiple/multiple-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>multiple-client</artifactId>
   <name>Java Chassis::Demo::Multiple::Client</name>
diff --git a/demo/demo-multiple/multiple-server/pom.xml b/demo/demo-multiple/multiple-server/pom.xml
index 6ce66d4..520f338 100644
--- a/demo/demo-multiple/multiple-server/pom.xml
+++ b/demo/demo-multiple/multiple-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-multiple</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>multiple-server</artifactId>
   <name>Java Chassis::Demo::Multiple::Server</name>
diff --git a/demo/demo-multiple/pom.xml b/demo/demo-multiple/pom.xml
index 0bb36b0..38f5fdc 100644
--- a/demo/demo-multiple/pom.xml
+++ b/demo/demo-multiple/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-multiple</artifactId>
   <name>Java Chassis::Demo::Multiple</name>
diff --git a/demo/demo-pojo/pojo-client/pom.xml b/demo/demo-pojo/pojo-client/pom.xml
index 89014ad..7f3bdb0 100644
--- a/demo/demo-pojo/pojo-client/pom.xml
+++ b/demo/demo-pojo/pojo-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-pojo</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>pojo-client</artifactId>
   <name>Java Chassis::Demo::POJO::Client</name>
diff --git a/demo/demo-pojo/pojo-server/pom.xml b/demo/demo-pojo/pojo-server/pom.xml
index e1a7c45..0e7087b 100644
--- a/demo/demo-pojo/pojo-server/pom.xml
+++ b/demo/demo-pojo/pojo-server/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-pojo</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>pojo-server</artifactId>
   <name>Java Chassis::Demo::POJO::Server</name>
diff --git a/demo/demo-pojo/pom.xml b/demo/demo-pojo/pom.xml
index 90a3f9f..47a60e6 100644
--- a/demo/demo-pojo/pom.xml
+++ b/demo/demo-pojo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-pojo</artifactId>
   <name>Java Chassis::Demo::POJO</name>
diff --git a/demo/demo-register-url-prefix/demo-register-url-prefix-client/pom.xml b/demo/demo-register-url-prefix/demo-register-url-prefix-client/pom.xml
index 3b8e2e1..9ee0726 100644
--- a/demo/demo-register-url-prefix/demo-register-url-prefix-client/pom.xml
+++ b/demo/demo-register-url-prefix/demo-register-url-prefix-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-register-url-prefix</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-register-url-prefix/demo-register-url-prefix-server/pom.xml b/demo/demo-register-url-prefix/demo-register-url-prefix-server/pom.xml
index 315bbc5..14a05e4 100644
--- a/demo/demo-register-url-prefix/demo-register-url-prefix-server/pom.xml
+++ b/demo/demo-register-url-prefix/demo-register-url-prefix-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-register-url-prefix</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-register-url-prefix/pom.xml b/demo/demo-register-url-prefix/pom.xml
index 536e9bf..fb58c49 100644
--- a/demo/demo-register-url-prefix/pom.xml
+++ b/demo/demo-register-url-prefix/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-register-url-prefix</artifactId>
   <name>Java Chassis::Demo::Spring Boot::Register URL Prefix</name>
diff --git a/demo/demo-schema/pom.xml b/demo/demo-schema/pom.xml
index 2d70c9d..31b1432 100644
--- a/demo/demo-schema/pom.xml
+++ b/demo/demo-schema/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-schema</artifactId>
   <name>Java Chassis::Demo::Schema</name>
diff --git a/demo/demo-signature/pom.xml b/demo/demo-signature/pom.xml
index c81ffa5..4b26638 100644
--- a/demo/demo-signature/pom.xml
+++ b/demo/demo-signature/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-signature</artifactId>
   <name>Java Chassis::Demo::Signature</name>
diff --git a/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-client/pom.xml b/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-client/pom.xml
index b03e471..838d690 100644
--- a/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-client/pom.xml
+++ b/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <dependencies>
     <dependency>
diff --git a/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-server/pom.xml b/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-server/pom.xml
index 0c5ac12..704fce7 100644
--- a/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-server/pom.xml
+++ b/demo/demo-spring-boot-provider/demo-spring-boot-jaxrs-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <properties>
     <demo.main>org.apache.servicecomb.springboot.jaxrs.server.JaxrsServer</demo.main>
diff --git a/demo/demo-spring-boot-provider/pom.xml b/demo/demo-spring-boot-provider/pom.xml
index 389761b..f3092de 100644
--- a/demo/demo-spring-boot-provider/pom.xml
+++ b/demo/demo-spring-boot-provider/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-spring-boot</artifactId>
   <name>Java Chassis::Demo::Spring Boot</name>
diff --git a/demo/demo-spring-boot-transport/demo-spring-boot-pojo-client/pom.xml b/demo/demo-spring-boot-transport/demo-spring-boot-pojo-client/pom.xml
index b3b082d..be470d6 100644
--- a/demo/demo-spring-boot-transport/demo-spring-boot-pojo-client/pom.xml
+++ b/demo/demo-spring-boot-transport/demo-spring-boot-pojo-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot-transport</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-spring-boot-transport/demo-spring-boot-pojo-server/pom.xml b/demo/demo-spring-boot-transport/demo-spring-boot-pojo-server/pom.xml
index 7e16636..c9a3403 100644
--- a/demo/demo-spring-boot-transport/demo-spring-boot-pojo-server/pom.xml
+++ b/demo/demo-spring-boot-transport/demo-spring-boot-pojo-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot-transport</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-client/pom.xml b/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-client/pom.xml
index b9b286b..f92d07b 100644
--- a/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-client/pom.xml
+++ b/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-client/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot-transport</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <dependencies>
     <dependency>
diff --git a/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-server/pom.xml b/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-server/pom.xml
index 0e64a1d..185cb90 100644
--- a/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-server/pom.xml
+++ b/demo/demo-spring-boot-transport/demo-spring-boot-springmvc-server/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-spring-boot-transport</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <dependencies>
     <dependency>
diff --git a/demo/demo-spring-boot-transport/pom.xml b/demo/demo-spring-boot-transport/pom.xml
index 819e0ca..8f7f48b 100644
--- a/demo/demo-spring-boot-transport/pom.xml
+++ b/demo/demo-spring-boot-transport/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-spring-boot-transport</artifactId>
   <name>Java Chassis::Demo::Spring Boot::Transport</name>
diff --git a/demo/demo-springmvc/pom.xml b/demo/demo-springmvc/pom.xml
index 812df3c..7d58df3 100644
--- a/demo/demo-springmvc/pom.xml
+++ b/demo/demo-springmvc/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-springmvc</artifactId>
   <name>Java Chassis::Demo::Spring MVC</name>
diff --git a/demo/demo-springmvc/springmvc-client/pom.xml b/demo/demo-springmvc/springmvc-client/pom.xml
index 8e65530..430d1fc 100644
--- a/demo/demo-springmvc/springmvc-client/pom.xml
+++ b/demo/demo-springmvc/springmvc-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-springmvc</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>springmvc-client</artifactId>
   <name>Java Chassis::Demo::Spring MVC::Client</name>
diff --git a/demo/demo-springmvc/springmvc-server/pom.xml b/demo/demo-springmvc/springmvc-server/pom.xml
index d956f8e..47477be 100644
--- a/demo/demo-springmvc/springmvc-server/pom.xml
+++ b/demo/demo-springmvc/springmvc-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-springmvc</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>springmvc-server</artifactId>
   <name>Java Chassis::Demo::Spring MVC::Server</name>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-client/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-client/pom.xml
index b4e6116..5229bda 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-client/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-client/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-edge/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-edge/pom.xml
index 7e3db8f..ebaa025 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-edge/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-edge/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-server/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-server/pom.xml
index f00a7da..0ac5f69 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-server/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-server/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-tests/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-tests/pom.xml
index 51c49e3..61a8a6d 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-tests/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/demo-zeroconfig-schemadiscovery-registry-tests/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <properties>
diff --git a/demo/demo-zeroconfig-schemadiscovery-registry/pom.xml b/demo/demo-zeroconfig-schemadiscovery-registry/pom.xml
index 8148363..9aafb90 100644
--- a/demo/demo-zeroconfig-schemadiscovery-registry/pom.xml
+++ b/demo/demo-zeroconfig-schemadiscovery-registry/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb.demo</groupId>
     <artifactId>demo-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>demo-zeroconfig-schemadiscovery-registry</artifactId>
   <name>Java Chassis::Demo::ZeroConfig-SchemaDiscovery Registry</name>
diff --git a/demo/docker-build-config/pom.xml b/demo/docker-build-config/pom.xml
index d38e63c..c7c6e4f 100644
--- a/demo/docker-build-config/pom.xml
+++ b/demo/docker-build-config/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>demo-parent</artifactId>
     <groupId>org.apache.servicecomb.demo</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/demo/docker-run-config-edge/pom.xml b/demo/docker-run-config-edge/pom.xml
index 463b212..eac3e63 100644
--- a/demo/docker-run-config-edge/pom.xml
+++ b/demo/docker-run-config-edge/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>demo-parent</artifactId>
     <groupId>org.apache.servicecomb.demo</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/demo/docker-run-config-local/pom.xml b/demo/docker-run-config-local/pom.xml
index f89e824..08c454a 100644
--- a/demo/docker-run-config-local/pom.xml
+++ b/demo/docker-run-config-local/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>demo-parent</artifactId>
     <groupId>org.apache.servicecomb.demo</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/demo/docker-run-config/pom.xml b/demo/docker-run-config/pom.xml
index 66d984e..6bfe2ca 100644
--- a/demo/docker-run-config/pom.xml
+++ b/demo/docker-run-config/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>demo-parent</artifactId>
     <groupId>org.apache.servicecomb.demo</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/demo/pom.xml b/demo/pom.xml
index 19a4be3..0d2f071 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <groupId>org.apache.servicecomb.demo</groupId>
diff --git a/dependencies/bom/pom.xml b/dependencies/bom/pom.xml
index a569ef4..ef52382 100644
--- a/dependencies/bom/pom.xml
+++ b/dependencies/bom/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-dependencies-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>java-chassis-bom</artifactId>
diff --git a/dependencies/default/pom.xml b/dependencies/default/pom.xml
index f2394f5..66cf190 100644
--- a/dependencies/default/pom.xml
+++ b/dependencies/default/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-dependencies-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>java-chassis-dependencies</artifactId>
diff --git a/dependencies/pom.xml b/dependencies/pom.xml
index 52b41b1..52d4741 100644
--- a/dependencies/pom.xml
+++ b/dependencies/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>java-chassis-dependencies-parent</artifactId>
diff --git a/deployment/pom.xml b/deployment/pom.xml
index ca7132e..a10b32a 100644
--- a/deployment/pom.xml
+++ b/deployment/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 473e77b..f43f7a4 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>apache-servicecomb-java-chassis-distribution</artifactId>
diff --git a/dynamic-config/config-apollo/pom.xml b/dynamic-config/config-apollo/pom.xml
index 84a8aac..d4243f2 100644
--- a/dynamic-config/config-apollo/pom.xml
+++ b/dynamic-config/config-apollo/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>dynamic-config</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>config-apollo</artifactId>
diff --git a/dynamic-config/config-cc/pom.xml b/dynamic-config/config-cc/pom.xml
index 50baa85..14f7d80 100644
--- a/dynamic-config/config-cc/pom.xml
+++ b/dynamic-config/config-cc/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>dynamic-config</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/dynamic-config/config-kie/pom.xml b/dynamic-config/config-kie/pom.xml
index 85b3517..1431470 100644
--- a/dynamic-config/config-kie/pom.xml
+++ b/dynamic-config/config-kie/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>dynamic-config</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/dynamic-config/config-nacos/pom.xml b/dynamic-config/config-nacos/pom.xml
index ad4624e..46560fe 100644
--- a/dynamic-config/config-nacos/pom.xml
+++ b/dynamic-config/config-nacos/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>dynamic-config</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>config-nacos</artifactId>
diff --git a/dynamic-config/pom.xml b/dynamic-config/pom.xml
index 2eabcbe..48dd95c 100644
--- a/dynamic-config/pom.xml
+++ b/dynamic-config/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/edge/edge-core/pom.xml b/edge/edge-core/pom.xml
index f73d4b0..abf9792 100644
--- a/edge/edge-core/pom.xml
+++ b/edge/edge-core/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>edge</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>edge-core</artifactId>
   <name>Java Chassis::Edge::Core</name>
diff --git a/edge/pom.xml b/edge/pom.xml
index 2311b55..8346c11 100644
--- a/edge/pom.xml
+++ b/edge/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>edge</artifactId>
diff --git a/foundations/foundation-common/pom.xml b/foundations/foundation-common/pom.xml
index 2a31324..7cb399a 100644
--- a/foundations/foundation-common/pom.xml
+++ b/foundations/foundation-common/pom.xml
@@ -20,7 +20,7 @@
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <artifactId>foundations</artifactId>
   </parent>
   <artifactId>foundation-common</artifactId>
diff --git a/foundations/foundation-config/pom.xml b/foundations/foundation-config/pom.xml
index 7cc8b2f..6fe8980 100644
--- a/foundations/foundation-config/pom.xml
+++ b/foundations/foundation-config/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>foundations</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/foundations/foundation-metrics/pom.xml b/foundations/foundation-metrics/pom.xml
index 915c2ce..59b9dda 100644
--- a/foundations/foundation-metrics/pom.xml
+++ b/foundations/foundation-metrics/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>foundation-metrics</artifactId>
   <name>Java Chassis::Foundations::Metrics</name>
diff --git a/foundations/foundation-protobuf/pom.xml b/foundations/foundation-protobuf/pom.xml
index 8bd2fee..53306e1 100644
--- a/foundations/foundation-protobuf/pom.xml
+++ b/foundations/foundation-protobuf/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>foundations</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/foundations/foundation-registry/pom.xml b/foundations/foundation-registry/pom.xml
index 8e619e1..6c870c5 100644
--- a/foundations/foundation-registry/pom.xml
+++ b/foundations/foundation-registry/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>foundations</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/foundations/foundation-spi/pom.xml b/foundations/foundation-spi/pom.xml
index 6ec4fc3..d037a1d 100644
--- a/foundations/foundation-spi/pom.xml
+++ b/foundations/foundation-spi/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>foundation-spi</artifactId>
   <name>Java Chassis::Foundations::SSL</name>
diff --git a/foundations/foundation-ssl/pom.xml b/foundations/foundation-ssl/pom.xml
index af4784f..425a040 100644
--- a/foundations/foundation-ssl/pom.xml
+++ b/foundations/foundation-ssl/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>foundation-ssl</artifactId>
   <name>Java Chassis::Foundations::SSL</name>
diff --git a/foundations/foundation-test-scaffolding/pom.xml b/foundations/foundation-test-scaffolding/pom.xml
index 1b70132..469f6c3 100644
--- a/foundations/foundation-test-scaffolding/pom.xml
+++ b/foundations/foundation-test-scaffolding/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>foundation-test-scaffolding</artifactId>
   <name>Java Chassis::Foundations::Test Scaffolding</name>
diff --git a/foundations/foundation-vertx/pom.xml b/foundations/foundation-vertx/pom.xml
index d758773..0a36328 100644
--- a/foundations/foundation-vertx/pom.xml
+++ b/foundations/foundation-vertx/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>foundations</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>foundation-vertx</artifactId>
   <name>Java Chassis::Foundations::Vertx</name>
diff --git a/foundations/pom.xml b/foundations/pom.xml
index b38e66a..48fde49 100644
--- a/foundations/pom.xml
+++ b/foundations/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>foundations</artifactId>
diff --git a/governance/pom.xml b/governance/pom.xml
index 38e997a..90f7eef 100644
--- a/governance/pom.xml
+++ b/governance/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/handlers/handler-bizkeeper/pom.xml b/handlers/handler-bizkeeper/pom.xml
index 31ad65d..465a1e8 100644
--- a/handlers/handler-bizkeeper/pom.xml
+++ b/handlers/handler-bizkeeper/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>handler-bizkeeper</artifactId>
diff --git a/handlers/handler-fault-injection/pom.xml b/handlers/handler-fault-injection/pom.xml
index 15c1b87..faa140d 100755
--- a/handlers/handler-fault-injection/pom.xml
+++ b/handlers/handler-fault-injection/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>handler-fault-injection</artifactId>
   <name>Java Chassis::Handlers::Fault Injection</name>
diff --git a/handlers/handler-flowcontrol-qps/pom.xml b/handlers/handler-flowcontrol-qps/pom.xml
index 93e60cd..895e60a 100644
--- a/handlers/handler-flowcontrol-qps/pom.xml
+++ b/handlers/handler-flowcontrol-qps/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>handler-flowcontrol-qps</artifactId>
   <name>Java Chassis::Handlers::Flow Control QPS</name>
diff --git a/handlers/handler-governance/pom.xml b/handlers/handler-governance/pom.xml
index 7745b95..af08c7b 100644
--- a/handlers/handler-governance/pom.xml
+++ b/handlers/handler-governance/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>handler-governance</artifactId>
diff --git a/handlers/handler-loadbalance/pom.xml b/handlers/handler-loadbalance/pom.xml
index 5b93461..0fce712 100644
--- a/handlers/handler-loadbalance/pom.xml
+++ b/handlers/handler-loadbalance/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>handler-loadbalance</artifactId>
diff --git a/handlers/handler-publickey-auth/pom.xml b/handlers/handler-publickey-auth/pom.xml
index 821453b..a9865b6 100644
--- a/handlers/handler-publickey-auth/pom.xml
+++ b/handlers/handler-publickey-auth/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>handlers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>handler-publickey-auth</artifactId>
diff --git a/handlers/handler-router/pom.xml b/handlers/handler-router/pom.xml
index 57a88bb..fb37cf3 100644
--- a/handlers/handler-router/pom.xml
+++ b/handlers/handler-router/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>handlers</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/handlers/handler-tracing-zipkin/pom.xml b/handlers/handler-tracing-zipkin/pom.xml
index 380448e..8194339 100644
--- a/handlers/handler-tracing-zipkin/pom.xml
+++ b/handlers/handler-tracing-zipkin/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>handlers</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/handlers/pom.xml b/handlers/pom.xml
index e9af875..8f3b5e4 100644
--- a/handlers/pom.xml
+++ b/handlers/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/huawei-cloud/darklaunch/pom.xml b/huawei-cloud/darklaunch/pom.xml
index 3ccdfcb..3918e3b 100644
--- a/huawei-cloud/darklaunch/pom.xml
+++ b/huawei-cloud/darklaunch/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>huawei-cloud</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/huawei-cloud/dashboard/pom.xml b/huawei-cloud/dashboard/pom.xml
index 46bbe9b..3819423 100644
--- a/huawei-cloud/dashboard/pom.xml
+++ b/huawei-cloud/dashboard/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>huawei-cloud</artifactId>
         <groupId>org.apache.servicecomb</groupId>
-        <version>2.8.0-SNAPSHOT</version>
+        <version>2.7.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/huawei-cloud/environment/pom.xml b/huawei-cloud/environment/pom.xml
index a96fad0..fad32e2 100644
--- a/huawei-cloud/environment/pom.xml
+++ b/huawei-cloud/environment/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>huawei-cloud</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>servicestage-environment</artifactId>
diff --git a/huawei-cloud/pom.xml b/huawei-cloud/pom.xml
index 83dfd98..743e8cd 100644
--- a/huawei-cloud/pom.xml
+++ b/huawei-cloud/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
 
diff --git a/huawei-cloud/servicestage/pom.xml b/huawei-cloud/servicestage/pom.xml
index 98ca3bd..0375233 100644
--- a/huawei-cloud/servicestage/pom.xml
+++ b/huawei-cloud/servicestage/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>huawei-cloud</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>servicestage</artifactId>
diff --git a/inspector/pom.xml b/inspector/pom.xml
index 5621209..ee52b05 100644
--- a/inspector/pom.xml
+++ b/inspector/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/integration-tests/dynamic-config-tests/pom.xml b/integration-tests/dynamic-config-tests/pom.xml
index fa3f56d..57f7afc 100644
--- a/integration-tests/dynamic-config-tests/pom.xml
+++ b/integration-tests/dynamic-config-tests/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/it-common/pom.xml b/integration-tests/it-common/pom.xml
index adec905..386a345 100644
--- a/integration-tests/it-common/pom.xml
+++ b/integration-tests/it-common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/it-consumer/pom.xml b/integration-tests/it-consumer/pom.xml
index 3e5c460..f0d795d 100644
--- a/integration-tests/it-consumer/pom.xml
+++ b/integration-tests/it-consumer/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/it-edge/pom.xml b/integration-tests/it-edge/pom.xml
index 07c71fd..c16096e 100644
--- a/integration-tests/it-edge/pom.xml
+++ b/integration-tests/it-edge/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/it-producer-deploy-springboot2-servlet/pom.xml b/integration-tests/it-producer-deploy-springboot2-servlet/pom.xml
index 6018bdf..8dc9a51 100644
--- a/integration-tests/it-producer-deploy-springboot2-servlet/pom.xml
+++ b/integration-tests/it-producer-deploy-springboot2-servlet/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>it-producer-deploy-springboot2-servlet</artifactId>
@@ -33,7 +33,7 @@
       <dependency>
         <groupId>org.apache.servicecomb</groupId>
         <artifactId>java-chassis-dependencies</artifactId>
-        <version>2.8.0-SNAPSHOT</version>
+        <version>2.7.4</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -44,7 +44,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>it-producer</artifactId>
-      <version>2.8.0-SNAPSHOT</version>
+      <version>2.7.4</version>
     </dependency>
     <dependency>
       <groupId>org.apache.servicecomb</groupId>
diff --git a/integration-tests/it-producer-deploy-springboot2-standalone/pom.xml b/integration-tests/it-producer-deploy-springboot2-standalone/pom.xml
index 41d4b13..903184d 100644
--- a/integration-tests/it-producer-deploy-springboot2-standalone/pom.xml
+++ b/integration-tests/it-producer-deploy-springboot2-standalone/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>it-producer-deploy-springboot2-standalone</artifactId>
diff --git a/integration-tests/it-producer/pom.xml b/integration-tests/it-producer/pom.xml
index 01bdd65..4ff3207 100644
--- a/integration-tests/it-producer/pom.xml
+++ b/integration-tests/it-producer/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/jaxrs-tests/pom.xml b/integration-tests/jaxrs-tests/pom.xml
index 9d2e9e5..3a91577 100644
--- a/integration-tests/jaxrs-tests/pom.xml
+++ b/integration-tests/jaxrs-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/pojo-test/pom.xml b/integration-tests/pojo-test/pom.xml
index 43b90f9..dbef1be 100644
--- a/integration-tests/pojo-test/pom.xml
+++ b/integration-tests/pojo-test/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 7d16333..cddbb7a 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/integration-tests/spring-jaxrs-tests/pom.xml b/integration-tests/spring-jaxrs-tests/pom.xml
index fc62897..6b318ba 100644
--- a/integration-tests/spring-jaxrs-tests/pom.xml
+++ b/integration-tests/spring-jaxrs-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>jaxrs-tests</artifactId>
-      <version>2.8.0-SNAPSHOT</version>
+      <version>2.7.4</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/spring-pojo-connection-limit-test/pom.xml b/integration-tests/spring-pojo-connection-limit-test/pom.xml
index 1b8a50c..9d252d0 100644
--- a/integration-tests/spring-pojo-connection-limit-test/pom.xml
+++ b/integration-tests/spring-pojo-connection-limit-test/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/spring-pojo-tests/pom.xml b/integration-tests/spring-pojo-tests/pom.xml
index d6cf3e4..748dc70 100644
--- a/integration-tests/spring-pojo-tests/pom.xml
+++ b/integration-tests/spring-pojo-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/springmvc-tests/common/pom.xml b/integration-tests/springmvc-tests/common/pom.xml
index 8c17b0d..4f3748d 100644
--- a/integration-tests/springmvc-tests/common/pom.xml
+++ b/integration-tests/springmvc-tests/common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/springmvc-tests/connection-limit/pom.xml b/integration-tests/springmvc-tests/connection-limit/pom.xml
index a2eeba8..34b10ef 100644
--- a/integration-tests/springmvc-tests/connection-limit/pom.xml
+++ b/integration-tests/springmvc-tests/connection-limit/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>springmvc-tests-common</artifactId>
-      <version>2.8.0-SNAPSHOT</version>
+      <version>2.7.4</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/springmvc-tests/general-with-springboot/pom.xml b/integration-tests/springmvc-tests/general-with-springboot/pom.xml
index bf7c291..e669df4 100644
--- a/integration-tests/springmvc-tests/general-with-springboot/pom.xml
+++ b/integration-tests/springmvc-tests/general-with-springboot/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/springmvc-tests/general/pom.xml b/integration-tests/springmvc-tests/general/pom.xml
index afc4c53..182b79f 100644
--- a/integration-tests/springmvc-tests/general/pom.xml
+++ b/integration-tests/springmvc-tests/general/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>springmvc-tests-common</artifactId>
-      <version>2.8.0-SNAPSHOT</version>
+      <version>2.7.4</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/springmvc-tests/pom.xml b/integration-tests/springmvc-tests/pom.xml
index 888a95c..2e3f3d0 100644
--- a/integration-tests/springmvc-tests/pom.xml
+++ b/integration-tests/springmvc-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/springmvc-tests/simplified-mapping-with-springboot/pom.xml b/integration-tests/springmvc-tests/simplified-mapping-with-springboot/pom.xml
index e3055f5..26c9d06 100644
--- a/integration-tests/springmvc-tests/simplified-mapping-with-springboot/pom.xml
+++ b/integration-tests/springmvc-tests/simplified-mapping-with-springboot/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>springmvc-tests-common</artifactId>
-      <version>2.8.0-SNAPSHOT</version>
+      <version>2.7.4</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/springmvc-tests/simplified-mapping/pom.xml b/integration-tests/springmvc-tests/simplified-mapping/pom.xml
index bd0a5ac..2b19c00 100644
--- a/integration-tests/springmvc-tests/simplified-mapping/pom.xml
+++ b/integration-tests/springmvc-tests/simplified-mapping/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>springmvc-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.servicecomb.tests</groupId>
       <artifactId>springmvc-tests-common</artifactId>
-      <version>2.8.0-SNAPSHOT</version>
+      <version>2.7.4</version>
       <type>test-jar</type>
     </dependency>
     <dependency>
diff --git a/integration-tests/test-common/pom.xml b/integration-tests/test-common/pom.xml
index 70a7669..4520165 100644
--- a/integration-tests/test-common/pom.xml
+++ b/integration-tests/test-common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/integration-tests/tracing-tests/pom.xml b/integration-tests/tracing-tests/pom.xml
index ef99df5..81c9f5c 100644
--- a/integration-tests/tracing-tests/pom.xml
+++ b/integration-tests/tracing-tests/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>integration-tests</artifactId>
     <groupId>org.apache.servicecomb.tests</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/metrics/metrics-core/pom.xml b/metrics/metrics-core/pom.xml
index 5fbef24..33c28b0 100644
--- a/metrics/metrics-core/pom.xml
+++ b/metrics/metrics-core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>metrics</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/metrics/metrics-integration/metrics-prometheus/pom.xml b/metrics/metrics-integration/metrics-prometheus/pom.xml
index 1918606..9606c27 100644
--- a/metrics/metrics-integration/metrics-prometheus/pom.xml
+++ b/metrics/metrics-integration/metrics-prometheus/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>metrics-integration</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/metrics/metrics-integration/pom.xml b/metrics/metrics-integration/pom.xml
index 86ea600..d096599 100644
--- a/metrics/metrics-integration/pom.xml
+++ b/metrics/metrics-integration/pom.xml
@@ -22,7 +22,7 @@
   <parent>
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     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/metrics/pom.xml b/metrics/pom.xml
index bd3d6cc..750cb6d 100644
--- a/metrics/pom.xml
+++ b/metrics/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
 
diff --git a/parents/default/pom.xml b/parents/default/pom.xml
index c521be3..d2c3d32 100644
--- a/parents/default/pom.xml
+++ b/parents/default/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-dependencies</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../../dependencies/default</relativePath>
   </parent>
 
diff --git a/parents/pom.xml b/parents/pom.xml
index 585a9b7..231fd24 100644
--- a/parents/pom.xml
+++ b/parents/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <artifactId>java-chassis-parents</artifactId>
diff --git a/pom.xml b/pom.xml
index c7b5e5b..d82fec8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
 
   <groupId>org.apache.servicecomb</groupId>
   <artifactId>java-chassis</artifactId>
-  <version>2.8.0-SNAPSHOT</version>
+  <version>2.7.4</version>
   <packaging>pom</packaging>
 
   <name>ServiceComb Java Chassis</name>
diff --git a/providers/pom.xml b/providers/pom.xml
index d7ce124..d64b188 100644
--- a/providers/pom.xml
+++ b/providers/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>providers</artifactId>
diff --git a/providers/provider-jaxrs/pom.xml b/providers/provider-jaxrs/pom.xml
index c082344..faab8e9 100644
--- a/providers/provider-jaxrs/pom.xml
+++ b/providers/provider-jaxrs/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>providers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>provider-jaxrs</artifactId>
   <name>Java Chassis::Providers::JAXRS</name>
diff --git a/providers/provider-pojo/pom.xml b/providers/provider-pojo/pom.xml
index 3e59e51..a41de32 100644
--- a/providers/provider-pojo/pom.xml
+++ b/providers/provider-pojo/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>providers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>provider-pojo</artifactId>
   <name>Java Chassis::Providers::POJO</name>
diff --git a/providers/provider-rest-common/pom.xml b/providers/provider-rest-common/pom.xml
index 2354a7b..a7cf27c 100644
--- a/providers/provider-rest-common/pom.xml
+++ b/providers/provider-rest-common/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>providers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>provider-rest-common</artifactId>
   <name>Java Chassis::Providers::Rest Common</name>
diff --git a/providers/provider-springmvc/pom.xml b/providers/provider-springmvc/pom.xml
index 4016c21..0558cc0 100644
--- a/providers/provider-springmvc/pom.xml
+++ b/providers/provider-springmvc/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>providers</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>provider-springmvc</artifactId>
   <name>Java Chassis::Providers::Spring MVC</name>
diff --git a/service-registry/pom.xml b/service-registry/pom.xml
index 15c7aa3..6b1afca 100644
--- a/service-registry/pom.xml
+++ b/service-registry/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/service-registry/registry-lightweight/pom.xml b/service-registry/registry-lightweight/pom.xml
index 69b47ca..e5b4061 100644
--- a/service-registry/registry-lightweight/pom.xml
+++ b/service-registry/registry-lightweight/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>service-registry-parent</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/service-registry/registry-local/pom.xml b/service-registry/registry-local/pom.xml
index a0e40fb..6364a49 100644
--- a/service-registry/registry-local/pom.xml
+++ b/service-registry/registry-local/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>service-registry-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/service-registry/registry-schema-discovery/pom.xml b/service-registry/registry-schema-discovery/pom.xml
index 8066654..111173d 100644
--- a/service-registry/registry-schema-discovery/pom.xml
+++ b/service-registry/registry-schema-discovery/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>service-registry-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/service-registry/registry-service-center/pom.xml b/service-registry/registry-service-center/pom.xml
index 29e9559..0d5d482 100644
--- a/service-registry/registry-service-center/pom.xml
+++ b/service-registry/registry-service-center/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>service-registry-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/service-registry/registry-zero-config/pom.xml b/service-registry/registry-zero-config/pom.xml
index e458657..54eb99b 100644
--- a/service-registry/registry-zero-config/pom.xml
+++ b/service-registry/registry-zero-config/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>service-registry-parent</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/solutions/pom.xml b/solutions/pom.xml
index ebe16b8..a961ffa 100644
--- a/solutions/pom.xml
+++ b/solutions/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/solutions/solution-basic/pom.xml b/solutions/solution-basic/pom.xml
index c4732c9..0c64865 100644
--- a/solutions/solution-basic/pom.xml
+++ b/solutions/solution-basic/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>solutions</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot/pom.xml b/spring-boot/pom.xml
index b38842f..d528b73 100644
--- a/spring-boot/pom.xml
+++ b/spring-boot/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
 
diff --git a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-servlet/pom.xml b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-servlet/pom.xml
index 7aad852..dfb5f4f 100644
--- a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-servlet/pom.xml
+++ b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-servlet/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>java-chassis-spring-boot-starters</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-standalone/pom.xml b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-standalone/pom.xml
index 3720ac5..fa49807 100644
--- a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-standalone/pom.xml
+++ b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter-standalone/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>java-chassis-spring-boot-starters</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter/pom.xml b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter/pom.xml
index b99e440..94ad073 100644
--- a/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter/pom.xml
+++ b/spring-boot/spring-boot-starters/java-chassis-spring-boot-starter/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>java-chassis-spring-boot-starters</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot/spring-boot-starters/pom.xml b/spring-boot/spring-boot-starters/pom.xml
index 3c31174..d393a6d 100644
--- a/spring-boot/spring-boot-starters/pom.xml
+++ b/spring-boot/spring-boot-starters/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>java-chassis-spring-boot</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
diff --git a/swagger/pom.xml b/swagger/pom.xml
index 70af57a..8611274 100644
--- a/swagger/pom.xml
+++ b/swagger/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>swagger</artifactId>
diff --git a/swagger/swagger-generator/generator-core/pom.xml b/swagger/swagger-generator/generator-core/pom.xml
index 4e763e2..cc20beb 100644
--- a/swagger/swagger-generator/generator-core/pom.xml
+++ b/swagger/swagger-generator/generator-core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-generator</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-generator-core</artifactId>
   <name>Java Chassis::Swagger::Generator::Core</name>
diff --git a/swagger/swagger-generator/generator-jaxrs/pom.xml b/swagger/swagger-generator/generator-jaxrs/pom.xml
index a19197e..bc175ed 100644
--- a/swagger/swagger-generator/generator-jaxrs/pom.xml
+++ b/swagger/swagger-generator/generator-jaxrs/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-generator</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-generator-jaxrs</artifactId>
   <name>Java Chassis::Swagger::Generator::Jaxrs</name>
diff --git a/swagger/swagger-generator/generator-spring-data/pom.xml b/swagger/swagger-generator/generator-spring-data/pom.xml
index 402efd6..4fcb56f 100644
--- a/swagger/swagger-generator/generator-spring-data/pom.xml
+++ b/swagger/swagger-generator/generator-spring-data/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-generator</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/swagger/swagger-generator/generator-springmvc/pom.xml b/swagger/swagger-generator/generator-springmvc/pom.xml
index 9eb78a0..ed684fb 100644
--- a/swagger/swagger-generator/generator-springmvc/pom.xml
+++ b/swagger/swagger-generator/generator-springmvc/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-generator</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-generator-springmvc</artifactId>
   <name>Java Chassis::Swagger::Generator::Spring MVC</name>
diff --git a/swagger/swagger-generator/pom.xml b/swagger/swagger-generator/pom.xml
index cdcbfe3..2667cfc 100644
--- a/swagger/swagger-generator/pom.xml
+++ b/swagger/swagger-generator/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-generator</artifactId>
   <name>Java Chassis::Swagger::Generator</name>
diff --git a/swagger/swagger-invocation/invocation-core/pom.xml b/swagger/swagger-invocation/invocation-core/pom.xml
index d71298a..badfa27 100644
--- a/swagger/swagger-invocation/invocation-core/pom.xml
+++ b/swagger/swagger-invocation/invocation-core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-invocation</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-invocation-core</artifactId>
   <name>Java Chassis::Swagger::Invocation::Core</name>
diff --git a/swagger/swagger-invocation/invocation-jaxrs/pom.xml b/swagger/swagger-invocation/invocation-jaxrs/pom.xml
index b6be98f..b41cdb4 100644
--- a/swagger/swagger-invocation/invocation-jaxrs/pom.xml
+++ b/swagger/swagger-invocation/invocation-jaxrs/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-invocation</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-invocation-jaxrs</artifactId>
   <name>Java Chassis::Swagger::Invocation::JAXRS</name>
diff --git a/swagger/swagger-invocation/invocation-springmvc/pom.xml b/swagger/swagger-invocation/invocation-springmvc/pom.xml
index 4fc881b..f03c039 100644
--- a/swagger/swagger-invocation/invocation-springmvc/pom.xml
+++ b/swagger/swagger-invocation/invocation-springmvc/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-invocation</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-invocation-springmvc</artifactId>
   <name>Java Chassis::Swagger::Invocation::Spring MVC</name>
diff --git a/swagger/swagger-invocation/invocation-validator/pom.xml b/swagger/swagger-invocation/invocation-validator/pom.xml
index b41491d..c2cbad3 100644
--- a/swagger/swagger-invocation/invocation-validator/pom.xml
+++ b/swagger/swagger-invocation/invocation-validator/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger-invocation</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-invocation-validator</artifactId>
   <name>Java Chassis::Swagger::Invocation::Validator</name>
diff --git a/swagger/swagger-invocation/pom.xml b/swagger/swagger-invocation/pom.xml
index db032f8..f4b29cf 100644
--- a/swagger/swagger-invocation/pom.xml
+++ b/swagger/swagger-invocation/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>swagger</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>swagger-invocation</artifactId>
   <name>Java Chassis::Swagger::Invocation</name>
diff --git a/tracing/pom.xml b/tracing/pom.xml
index ff660e8..5ffd832 100644
--- a/tracing/pom.xml
+++ b/tracing/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/tracing/tracing-common/pom.xml b/tracing/tracing-common/pom.xml
index 3886d9d..048a6ce 100644
--- a/tracing/tracing-common/pom.xml
+++ b/tracing/tracing-common/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>tracing</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/tracing/tracing-zipkin/pom.xml b/tracing/tracing-zipkin/pom.xml
index 0532b72..7cbae0e 100644
--- a/tracing/tracing-zipkin/pom.xml
+++ b/tracing/tracing-zipkin/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>tracing</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/transports/pom.xml b/transports/pom.xml
index 45eb184..ca27488 100644
--- a/transports/pom.xml
+++ b/transports/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>java-chassis-parent</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
     <relativePath>../parents/default</relativePath>
   </parent>
   <artifactId>transports</artifactId>
diff --git a/transports/transport-common/pom.xml b/transports/transport-common/pom.xml
index dfaa550..bfd72b2 100644
--- a/transports/transport-common/pom.xml
+++ b/transports/transport-common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>transports</artifactId>
     <groupId>org.apache.servicecomb</groupId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/transports/transport-highway/pom.xml b/transports/transport-highway/pom.xml
index 83aa422..b281bfc 100644
--- a/transports/transport-highway/pom.xml
+++ b/transports/transport-highway/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transports</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>transport-highway</artifactId>
   <name>Java Chassis::Transports::Hightway</name>
diff --git a/transports/transport-rest/pom.xml b/transports/transport-rest/pom.xml
index 36c53a1..c9997e1 100644
--- a/transports/transport-rest/pom.xml
+++ b/transports/transport-rest/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transports</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>transport-rest</artifactId>
   <name>Java Chassis::Transports::Rest</name>
diff --git a/transports/transport-rest/transport-rest-client/pom.xml b/transports/transport-rest/transport-rest-client/pom.xml
index 06cb3a8..904dee5 100644
--- a/transports/transport-rest/transport-rest-client/pom.xml
+++ b/transports/transport-rest/transport-rest-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transport-rest</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>transport-rest-client</artifactId>
   <name>Java Chassis::Transports::Rest::Client</name>
diff --git a/transports/transport-rest/transport-rest-servlet/pom.xml b/transports/transport-rest/transport-rest-servlet/pom.xml
index e75ba3d..c8d7848 100644
--- a/transports/transport-rest/transport-rest-servlet/pom.xml
+++ b/transports/transport-rest/transport-rest-servlet/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transport-rest</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>transport-rest-servlet</artifactId>
   <name>Java Chassis::Transports::Rest::Servlet</name>
diff --git a/transports/transport-rest/transport-rest-vertx/pom.xml b/transports/transport-rest/transport-rest-vertx/pom.xml
index 12e5dd5..0c65e6c 100644
--- a/transports/transport-rest/transport-rest-vertx/pom.xml
+++ b/transports/transport-rest/transport-rest-vertx/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache.servicecomb</groupId>
     <artifactId>transport-rest</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>2.7.4</version>
   </parent>
   <artifactId>transport-rest-vertx</artifactId>
   <name>Java Chassis::Transports::Rest::Vertx</name>