Maven: ===== Not storing time dependent information in jar files: org.apache.maven.plugins maven-jar-plugin 2.4 false false true ... ... ... Use the eclipse compiler (Java 8 capable from Eclipse 4.4.2) instead of javac: maven-compiler-plugin 3.1 ${maven.compiler.source} ${maven.compiler.target} eclipse true org.codehaus.plexus plexus-compiler-eclipse 2.5 org.eclipse.jdt.core.compiler ecj 4.4.2