4.0.0 org.slf4j slf4j-parent 1.7.13 log4j-over-slf4j jar Log4j Implemented Over SLF4J Log4j implemented over SLF4J http://www.slf4j.org Apache Software Licenses http://www.apache.org/licenses/LICENSE-2.0.txt org.slf4j slf4j-api org.slf4j slf4j-jdk14 test