<profile>

      <id>jdk-1.8</id>

      <activation>

		<activeByDefault>true</activeByDefault>

        <jdk>1.8</jdk>

      </activation>  

      <properties>

        <maven.compiler.source>1.8</maven.compiler.source>

        <maven.compiler.target>1.8</maven.compiler.target>

        <maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>

      </properties>

    </profile>