<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.hellblazer</groupId>
	<artifactId>pljava.app</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>pom</packaging>
	<name>pl/java</name>
	<description>Java stored proceedure language for PostgreSQL</description>
	<modules>
        <module>pljava-api</module>
		<module>pljava-jdbc</module>
		<module>pljava-deploy</module>
		<module>pljava-ant</module>
		<module>pljava-examples</module>
	</modules>
</project>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.hellblazer</groupId>
	<artifactId>pljava.app</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>pom</packaging>
	<name>pl/java</name>
	<description>Java stored proceedure language for PostgreSQL</description>
	<modules>
		<module>pljava-api</module>
		<module>pljava-jdbc</module>
		<module>pljava-deploy</module>
		<module>pljava-ant</module>
		<module>pljava-examples</module>
	</modules>

	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>2.3.2</version>
				<configuration>
					<source>1.6</source>
					<target>1.6</target>
					<encoding>${project.build.sourceEncoding}</encoding>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>
Define the build as 1.6
Define the build as 1.6