prepare release 3.4.0

Author: liubao68

pom.xml

@@ -5,7 +5,7 @@
 
 	<groupId>com.huaweicloud.gaussdb</groupId>
 	<artifactId>gaussdb-spring-data-relational-parent</artifactId>
-	<version>3.4.0-SNAPSHOT</version>
+	<version>3.4.0</version>
 	<packaging>pom</packaging>
 
 	<name>Spring Data Relational Parent</name>
@@ -139,19 +139,7 @@
 						</plugin>
 
 						<!-- Deploy to Sonatype OSS Nexus -->
-
-						<plugin>
-							<groupId>org.sonatype.plugins</groupId>
-							<artifactId>nexus-staging-maven-plugin</artifactId>
-							<version>1.6.13</version>
-							<extensions>true</extensions>
-							<configuration>
-								<serverId>sonatype</serverId>
-								<nexusUrl>https://oss.sonatype.org/</nexusUrl>
-								<autoReleaseAfterClose>true</autoReleaseAfterClose>
-								<keepStagingRepositoryOnFailure>true</keepStagingRepositoryOnFailure>
-							</configuration>
-						</plugin>
+						<!-- spring-data-build already define nexus-staging-maven-plugin -->
 					</plugins>
 
 				</pluginManagement>

spring-data-jdbc/pom.xml

@@ -6,7 +6,7 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>gaussdb-spring-data-jdbc</artifactId>
-	<version>3.4.0-SNAPSHOT</version>
+	<version>3.4.0</version>
 
 	<name>Spring Data JDBC</name>
 	<description>Spring Data module for JDBC repositories.</description>
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>com.huaweicloud.gaussdb</groupId>
 		<artifactId>gaussdb-spring-data-relational-parent</artifactId>
-		<version>3.4.0-SNAPSHOT</version>
+		<version>3.4.0</version>
 	</parent>
 
 	<properties>

spring-data-r2dbc/pom.xml

@@ -6,7 +6,7 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>gaussdb-spring-data-r2dbc</artifactId>
-	<version>3.4.0-SNAPSHOT</version>
+	<version>3.4.0</version>
 
 	<name>Spring Data R2DBC</name>
 	<description>Spring Data module for R2DBC</description>
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>com.huaweicloud.gaussdb</groupId>
 		<artifactId>gaussdb-spring-data-relational-parent</artifactId>
-		<version>3.4.0-SNAPSHOT</version>
+		<version>3.4.0</version>
 	</parent>
 
 	<properties>

spring-data-relational/pom.xml

@@ -6,15 +6,15 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>gaussdb-spring-data-relational</artifactId>
-	<version>3.4.0-SNAPSHOT</version>
+	<version>3.4.0</version>
 
 	<name>Spring Data Relational</name>
 	<description>Spring Data Relational support</description>
 
 	<parent>
 		<groupId>com.huaweicloud.gaussdb</groupId>
 		<artifactId>gaussdb-spring-data-relational-parent</artifactId>
-		<version>3.4.0-SNAPSHOT</version>
+		<version>3.4.0</version>
 	</parent>
 
 	<properties>