4.0.0 org.slf4j slf4j-parent 1.7.13-SNAPSHOT jul-to-slf4j jar JUL to SLF4J bridge JUL to SLF4J bridge http://www.slf4j.org org.slf4j slf4j-api org.slf4j slf4j-log4j12 ${project.version} test org.apache.maven.plugins maven-compiler-plugin ${required.jdk.version} ${required.jdk.version} org.apache.maven.plugins maven-jar-plugin ${parsedVersion.osgiVersion} ${project.description} ${project.version} ${project.build.outputDirectory}/META-INF/MANIFEST.MF