org.slf4j slf4j-parent 1.5.5 4.0.0 org.slf4j jul-to-slf4j jar JUL to SLF4J bridge http://www.slf4j.org JUL to SLF4J bridge org.slf4j slf4j-api org.slf4j slf4j-log4j12 ${project.version} test org.apache.maven.plugins maven-compiler-plugin 1.4 1.4