修复2.5.4版本不兼容jdk1.7及以下版本的问题

dubbo-admin/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-admin</artifactId>
     <packaging>war</packaging>

dubbo-cluster/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-cluster</artifactId>
     <packaging>jar</packaging>

dubbo-common/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-common</artifactId>
     <packaging>jar</packaging>

dubbo-config/dubbo-config-api/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-config</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-config-api</artifactId>
     <packaging>jar</packaging>

dubbo-config/dubbo-config-spring/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-config</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-config-spring</artifactId>
     <packaging>jar</packaging>

dubbo-config/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-config</artifactId>
     <packaging>pom</packaging>

dubbo-container/dubbo-container-api/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-container-api</artifactId>
     <packaging>jar</packaging>

dubbo-container/dubbo-container-jetty/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-container-jetty</artifactId>
     <packaging>jar</packaging>

dubbo-container/dubbo-container-log4j/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-container-log4j</artifactId>
     <packaging>jar</packaging>

dubbo-container/dubbo-container-logback/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-container-logback</artifactId>
     <packaging>jar</packaging>

dubbo-container/dubbo-container-spring/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-container</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-container-spring</artifactId>
     <packaging>jar</packaging>

dubbo-container/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-container</artifactId>
     <packaging>pom</packaging>

dubbo-demo/dubbo-demo-api/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-demo</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-demo-api</artifactId>
     <packaging>jar</packaging>

dubbo-demo/dubbo-demo-consumer/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-demo</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-demo-consumer</artifactId>
     <packaging>jar</packaging>

dubbo-demo/dubbo-demo-provider/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-demo</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-demo-provider</artifactId>
     <packaging>jar</packaging>

dubbo-demo/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-demo</artifactId>
     <packaging>pom</packaging>

dubbo-filter/dubbo-filter-cache/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-filter</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-filter-cache</artifactId>
     <packaging>jar</packaging>

dubbo-filter/dubbo-filter-validation/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-filter</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-filter-validation</artifactId>
     <packaging>jar</packaging>

dubbo-filter/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-filter</artifactId>
     <packaging>pom</packaging>

dubbo-maven/pom.xml

@@ -23,7 +23,7 @@
     </parent>
     <groupId>com.alibaba</groupId>
     <artifactId>dubbo</artifactId>
-    <version>2.5.4-SNAPSHOT</version>
+    <version>2.5.5</version>
     <packaging>jar</packaging>
     <name>Dubbo</name>
     <description>Dubbo is a distributed service framework enpowers applications with service import/export capability
@@ -46,13 +46,23 @@
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
-            <artifactId>spring</artifactId>
-            <version>2.5.6.SEC03</version>
+            <artifactId>spring-context</artifactId>
+            <version>4.3.10.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+            <version>4.3.10.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <version>4.3.10.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.javassist</groupId>
             <artifactId>javassist</artifactId>
-            <version>3.15.0-GA</version>
+            <version>3.20.0-GA</version>
         </dependency>
         <dependency>
             <groupId>org.jboss.netty</groupId>
@@ -74,7 +84,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.1.2</version>
+            <version>4.5.3</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -98,13 +108,13 @@
         <dependency>
             <groupId>org.apache.zookeeper</groupId>
             <artifactId>zookeeper</artifactId>
-            <version>3.3.3</version>
+            <version>3.4.9</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.101tec</groupId>
             <artifactId>zkclient</artifactId>
-            <version>0.1</version>
+            <version>0.2</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -122,13 +132,13 @@
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-frontend-simple</artifactId>
-            <version>2.6.1</version>
+            <version>3.0.14</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-transports-http</artifactId>
-            <version>2.6.1</version>
+            <version>3.0.14</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -140,7 +150,7 @@
         <dependency>
             <groupId>com.caucho</groupId>
             <artifactId>hessian</artifactId>
-            <version>4.0.7</version>
+            <version>4.0.38</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -164,37 +174,37 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.6.2</version>
+            <version>1.7.25</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>redis.clients</groupId>
             <artifactId>jedis</artifactId>
-            <version>2.0.0</version>
+            <version>2.9.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.validation</groupId>
             <artifactId>validation-api</artifactId>
-            <version>1.0.0.GA</version>
+            <version>1.1.0.Final</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-validator</artifactId>
-            <version>4.2.0.Final</version>
+            <version>5.4.1.Final</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>javax.cache</groupId>
             <artifactId>cache-api</artifactId>
-            <version>0.4</version>
+            <version>1.0.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.0.6</version>
+            <version>1.2.2</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>
@@ -214,8 +224,8 @@
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>1.5</source>
-                    <target>1.5</target>
+                    <source>1.6</source>
+                    <target>1.6</target>
                     <encoding>UTF-8</encoding>
                 </configuration>
             </plugin>
@@ -240,6 +250,9 @@
                         <goals>
                             <goal>jar</goal>
                         </goals>
+                        <configuration>
+                            <additionalparam>-Xdoclint:none</additionalparam>
+                        </configuration>
                     </execution>
                 </executions>
                 <configuration>

dubbo-monitor/dubbo-monitor-api/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-monitor</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-monitor-api</artifactId>
     <packaging>jar</packaging>

dubbo-monitor/dubbo-monitor-default/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-monitor</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-monitor-default</artifactId>
     <packaging>jar</packaging>

dubbo-monitor/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-monitor</artifactId>
     <packaging>pom</packaging>

dubbo-registry/dubbo-registry-api/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-registry-api</artifactId>
     <packaging>jar</packaging>

dubbo-registry/dubbo-registry-default/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-registry-default</artifactId>
     <packaging>jar</packaging>

dubbo-registry/dubbo-registry-multicast/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-registry-multicast</artifactId>
     <packaging>jar</packaging>

dubbo-registry/dubbo-registry-redis/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-registry-redis</artifactId>
     <packaging>jar</packaging>

dubbo-registry/dubbo-registry-zookeeper/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-registry</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-registry-zookeeper</artifactId>
     <packaging>jar</packaging>

dubbo-registry/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-registry</artifactId>
     <packaging>pom</packaging>

dubbo-remoting/dubbo-remoting-api/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-remoting-api</artifactId>
     <packaging>jar</packaging>

dubbo-remoting/dubbo-remoting-grizzly/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-remoting-grizzly</artifactId>
     <packaging>jar</packaging>

dubbo-remoting/dubbo-remoting-http/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-remoting-http</artifactId>
     <packaging>jar</packaging>

dubbo-remoting/dubbo-remoting-mina/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-remoting-mina</artifactId>
     <packaging>jar</packaging>

dubbo-remoting/dubbo-remoting-netty/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-remoting-netty</artifactId>
     <packaging>jar</packaging>

dubbo-remoting/dubbo-remoting-p2p/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-remoting-p2p</artifactId>
     <packaging>jar</packaging>

dubbo-remoting/dubbo-remoting-zookeeper/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-remoting</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-remoting-zookeeper</artifactId>
     <packaging>jar</packaging>

dubbo-remoting/pom.xml

@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-remoting</artifactId>
     <packaging>pom</packaging>

dubbo-rpc/dubbo-rpc-api/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-api</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-default/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-default</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-hessian/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-hessian</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-http/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-http</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-injvm/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-injvm</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-memcached/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-memcached</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-redis/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-redis</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-rmi/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-rmi</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-thrift/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-thrift</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/dubbo-rpc-webservice/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-rpc</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc-webservice</artifactId>
     <packaging>jar</packaging>

dubbo-rpc/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-rpc</artifactId>
     <packaging>pom</packaging>

dubbo-simple/dubbo-monitor-simple/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-simple</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-monitor-simple</artifactId>
     <packaging>jar</packaging>

dubbo-simple/dubbo-registry-simple/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-simple</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-registry-simple</artifactId>
     <packaging>jar</packaging>

dubbo-simple/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-simple</artifactId>
     <packaging>pom</packaging>

dubbo-test/dubbo-test-benchmark/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-test</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-test-benchmark</artifactId>
     <packaging>jar</packaging>

dubbo-test/dubbo-test-compatibility/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-test</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-test-compatibility</artifactId>
     <packaging>jar</packaging>

dubbo-test/dubbo-test-examples/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-test</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-test-examples</artifactId>
     <packaging>jar</packaging>

dubbo-test/dubbo-test-integration/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-test</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-test-integration</artifactId>
     <packaging>jar</packaging>

dubbo-test/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo-test</artifactId>
     <packaging>pom</packaging>

dubbo/pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>dubbo</artifactId>
     <packaging>jar</packaging>

hessian-lite/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo-parent</artifactId>
-        <version>2.5.4-SNAPSHOT</version>
+        <version>2.5.5</version>
     </parent>
     <artifactId>hessian-lite</artifactId>
     <packaging>jar</packaging>

pom.xml

@@ -18,7 +18,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba</groupId>
     <artifactId>dubbo-parent</artifactId>
-    <version>2.5.4-SNAPSHOT</version>
+    <version>2.5.5</version>
     <packaging>pom</packaging>
     <name>${project.artifactId}</name>
     <description>The parent project of dubbo</description>
@@ -140,7 +140,6 @@
         <profile.name>oss</profile.name>
 
         <!-- for maven compiler plugin -->
-        <maven_compiler_plugin_version>3.5.1</maven_compiler_plugin_version>
         <java_source_version>1.6</java_source_version>
         <java_target_version>1.6</java_target_version>
         <file_encoding>UTF-8</file_encoding>
@@ -463,7 +462,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven_compiler_plugin_version}</version>
                 <configuration>
                     <fork>true</fork>
                     <source>${java_source_version}</source>