[maven-release-plugin] prepare release kylin-2.4.1
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 93b1f3c..ba4278d 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <properties>
diff --git a/atopcalcite/pom.xml b/atopcalcite/pom.xml
index 5d2239e..42ac8fb 100644
--- a/atopcalcite/pom.xml
+++ b/atopcalcite/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/core-common/pom.xml b/core-common/pom.xml
index b129ffd..a95ba0e 100644
--- a/core-common/pom.xml
+++ b/core-common/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/core-cube/pom.xml b/core-cube/pom.xml
index 50cc4c9..6cd8692 100644
--- a/core-cube/pom.xml
+++ b/core-cube/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/core-dictionary/pom.xml b/core-dictionary/pom.xml
index 64cbd65..766cfcc 100644
--- a/core-dictionary/pom.xml
+++ b/core-dictionary/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/core-job/pom.xml b/core-job/pom.xml
index 8417950..b815697 100644
--- a/core-job/pom.xml
+++ b/core-job/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/core-metadata/pom.xml b/core-metadata/pom.xml
index 02d55c9..2b84da7 100644
--- a/core-metadata/pom.xml
+++ b/core-metadata/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/core-metrics/pom.xml b/core-metrics/pom.xml
index 4d08293..efb5291 100644
--- a/core-metrics/pom.xml
+++ b/core-metrics/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/core-storage/pom.xml b/core-storage/pom.xml
index a891f94..b1a0cc5 100644
--- a/core-storage/pom.xml
+++ b/core-storage/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/engine-mr/pom.xml b/engine-mr/pom.xml
index 85bd7fc..6b9b947 100644
--- a/engine-mr/pom.xml
+++ b/engine-mr/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/engine-spark/pom.xml b/engine-spark/pom.xml
index ca1e7ed..d005159 100644
--- a/engine-spark/pom.xml
+++ b/engine-spark/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index ae30983..1b721c8 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <properties>
diff --git a/kylin-it/pom.xml b/kylin-it/pom.xml
index 2fd39db..71a4f52 100644
--- a/kylin-it/pom.xml
+++ b/kylin-it/pom.xml
@@ -29,7 +29,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <properties>
diff --git a/metrics-reporter-hive/pom.xml b/metrics-reporter-hive/pom.xml
index 29f61f7..8eff19e 100644
--- a/metrics-reporter-hive/pom.xml
+++ b/metrics-reporter-hive/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/metrics-reporter-kafka/pom.xml b/metrics-reporter-kafka/pom.xml
index 9b89ae9..7c1fe71 100644
--- a/metrics-reporter-kafka/pom.xml
+++ b/metrics-reporter-kafka/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/pom.xml b/pom.xml
index 37d5c3d..b9033e0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
     <groupId>org.apache.kylin</groupId>
     <artifactId>kylin</artifactId>
     <packaging>pom</packaging>
-    <version>2.4.1-SNAPSHOT</version>
+    <version>2.4.1</version>
 
     <name>Apache Kylin</name>
     <url>http://kylin.apache.org</url>
@@ -193,7 +193,7 @@
         <developerConnection>scm:git:ssh://git@github.com/apache/kylin.git
         </developerConnection>
         <url>https://github.com/apache/kylin</url>
-        <tag>HEAD</tag>
+        <tag>kylin-2.4.1</tag>
     </scm>
 
     <dependencyManagement>
diff --git a/query/pom.xml b/query/pom.xml
index 7bc5044..2d11be2 100644
--- a/query/pom.xml
+++ b/query/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/server-base/pom.xml b/server-base/pom.xml
index 16d4a49..bc6376c 100644
--- a/server-base/pom.xml
+++ b/server-base/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/server/pom.xml b/server/pom.xml
index 65cae72..75350d2 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/source-hive/pom.xml b/source-hive/pom.xml
index 2ff4f8a..82a0bc2 100644
--- a/source-hive/pom.xml
+++ b/source-hive/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/source-kafka/pom.xml b/source-kafka/pom.xml
index 06a510b..8a7042f 100644
--- a/source-kafka/pom.xml
+++ b/source-kafka/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/storage-hbase/pom.xml b/storage-hbase/pom.xml
index 029569a..cdffe11 100644
--- a/storage-hbase/pom.xml
+++ b/storage-hbase/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <properties>
diff --git a/tomcat-ext/pom.xml b/tomcat-ext/pom.xml
index d3a13c3..755bc49 100644
--- a/tomcat-ext/pom.xml
+++ b/tomcat-ext/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <dependencies>
diff --git a/tool-assembly/pom.xml b/tool-assembly/pom.xml
index 98d24bb..70dda09 100644
--- a/tool-assembly/pom.xml
+++ b/tool-assembly/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <properties>
diff --git a/tool/pom.xml b/tool/pom.xml
index 6f24790..30c258c 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>2.4.1-SNAPSHOT</version>
+        <version>2.4.1</version>
     </parent>
 
     <properties>