[maven-release-plugin] prepare release kylin-3.0.2
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 81ead33..abccf23 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <properties>
diff --git a/cache/pom.xml b/cache/pom.xml
index a80c144..af0f7e2 100644
--- a/cache/pom.xml
+++ b/cache/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/core-common/pom.xml b/core-common/pom.xml
index aae0925..405c958 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/core-cube/pom.xml b/core-cube/pom.xml
index f284e7a..2e3cf17 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/core-dictionary/pom.xml b/core-dictionary/pom.xml
index f976e99..975ce41 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/core-job/pom.xml b/core-job/pom.xml
index 5a63629..bf2baff 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/core-metadata/pom.xml b/core-metadata/pom.xml
index 5c2b827..898a83c 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/core-metrics/pom.xml b/core-metrics/pom.xml
index 746d37b..0c9747e 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/core-storage/pom.xml b/core-storage/pom.xml
index 0045235..7c00df3 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/datasource-sdk/pom.xml b/datasource-sdk/pom.xml
index 65e535d..7528660 100644
--- a/datasource-sdk/pom.xml
+++ b/datasource-sdk/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/engine-mr/pom.xml b/engine-mr/pom.xml
index 7ce14f6..0ae91c4 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/engine-spark/pom.xml b/engine-spark/pom.xml
index a0b0600..b737eba 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/jdbc/pom.xml b/jdbc/pom.xml
index 881d39b..e115fdb 100644
--- a/jdbc/pom.xml
+++ b/jdbc/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <properties>
diff --git a/kylin-it/pom.xml b/kylin-it/pom.xml
index ee4e7b8..5aafce8 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <properties>
diff --git a/metrics-reporter-hive/pom.xml b/metrics-reporter-hive/pom.xml
index 14d2c52..1a714f6 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/metrics-reporter-kafka/pom.xml b/metrics-reporter-kafka/pom.xml
index b83a841..b6fc09a 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/pom.xml b/pom.xml
index 9affa47..9959b1f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
   <groupId>org.apache.kylin</groupId>
   <artifactId>kylin</artifactId>
   <packaging>pom</packaging>
-  <version>3.0.1-SNAPSHOT</version>
+  <version>3.0.2</version>
 
   <name>Apache Kylin</name>
   <url>http://kylin.apache.org</url>
@@ -228,7 +228,7 @@
     <developerConnection>scm:git:ssh://git@github.com/apache/kylin.git
     </developerConnection>
     <url>https://github.com/apache/kylin</url>
-    <tag>HEAD</tag>
+    <tag>kylin-3.0.2</tag>
   </scm>
 
   <dependencyManagement>
diff --git a/query/pom.xml b/query/pom.xml
index 778e701..099e8d4 100644
--- a/query/pom.xml
+++ b/query/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/server-base/pom.xml b/server-base/pom.xml
index b008de3..65f11c5 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/server/pom.xml b/server/pom.xml
index ad70d87..bbd165a 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/source-hive/pom.xml b/source-hive/pom.xml
index 7d8666b..2f2fdb4 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/source-jdbc/pom.xml b/source-jdbc/pom.xml
index 6671927..ef6ef69 100644
--- a/source-jdbc/pom.xml
+++ b/source-jdbc/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.apache.kylin</groupId>
         <artifactId>kylin</artifactId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/source-kafka/pom.xml b/source-kafka/pom.xml
index 7b293fe..a6f2d47 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/storage-hbase/pom.xml b/storage-hbase/pom.xml
index e957704..031202e 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <properties>
diff --git a/storage-stream/pom.xml b/storage-stream/pom.xml
index db39af4..7a15df1 100644
--- a/storage-stream/pom.xml
+++ b/storage-stream/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>kylin-storage-stream</artifactId>
diff --git a/stream-coordinator/pom.xml b/stream-coordinator/pom.xml
index a3fd756..e4cb217 100644
--- a/stream-coordinator/pom.xml
+++ b/stream-coordinator/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>kylin-stream-coordinator</artifactId>
diff --git a/stream-core/pom.xml b/stream-core/pom.xml
index ba5fa04..db79aa6 100644
--- a/stream-core/pom.xml
+++ b/stream-core/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>kylin-stream-core</artifactId>
diff --git a/stream-receiver/pom.xml b/stream-receiver/pom.xml
index a920009..6c1ce76 100644
--- a/stream-receiver/pom.xml
+++ b/stream-receiver/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>kylin-stream-receiver</artifactId>
diff --git a/stream-source-kafka/pom.xml b/stream-source-kafka/pom.xml
index 3e625f2..58a1744 100644
--- a/stream-source-kafka/pom.xml
+++ b/stream-source-kafka/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>kylin-stream-source-kafka</artifactId>
diff --git a/tomcat-ext/pom.xml b/tomcat-ext/pom.xml
index adf022a..7a8f9c7 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <dependencies>
diff --git a/tool-assembly/pom.xml b/tool-assembly/pom.xml
index c87b405..f7d58a3 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>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <properties>
diff --git a/tool/pom.xml b/tool/pom.xml
index 2f23229..583332b 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <artifactId>kylin</artifactId>
         <groupId>org.apache.kylin</groupId>
-        <version>3.0.1-SNAPSHOT</version>
+        <version>3.0.2</version>
     </parent>
 
     <properties>