4.0.0 org.apache.logging.log4j log4j 2.20.0 log4j-iostreams jar Apache Log4j Streaming Interface The Apache Log4j streams to log event converters ${basedir}/.. Streaming Documentation /log4j-iostreams org.apache.logging.log4j.iostreams org.apache.logging.log4j log4j-api org.apache.logging.log4j log4j-core test org.apache.logging.log4j log4j-core-test test com.h2database h2 test org.hamcrest hamcrest test org.junit.jupiter junit-jupiter-engine test org.junit.vintage junit-vintage-engine test org.mockito mockito-core test org.apache.felix maven-bundle-plugin org.apache.logging.log4j.io.*