4.0.0 org.slf4j slf4j-log4j12 slf4j-log4j12 1.0 See http://www.slf4j.org/ Javadocs for the Log4jLoggerAdapter are available at http://www.slf4j.org/api/org/slf4j/impl/Log4jLoggerAdapter.html http://www.slf4j.org/ SLF4J License http://www.slf4j.org/license.html