Tweaked Java Maven POM configuration.

java/pom.xml

@@ -14,6 +14,15 @@
 	
 	<build>
 		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-release-plugin</artifactId>
+				<configuration>
+					<checkModificationExcludes>
+						<checkModificationExclude>java/pom.xml</checkModificationExclude>
+					</checkModificationExcludes>
+				</configuration>
+			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-source-plugin</artifactId>
@@ -30,7 +39,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>2.9.1</version>
+				<version>3.1.1</version>
 				<executions>
 					<execution>
 						<id>attach-javadocs</id>