org.slf4j slf4j-parent 1.7.30 4.0.0 jcl-over-slf4j jar JCL 1.2 implemented over SLF4J JCL 1.2 implemented over SLF4J http://www.slf4j.org Apache License, Version 2.0 https://www.apache.org/licenses/LICENSE-2.0.txt repo org.slf4j slf4j-api org.slf4j slf4j-jdk14 test