apm-toolkit-activation org.apache.skywalking 8.4.0 4.0.0 apm-toolkit-log4j-1.x-activation 1.2.17 log4j log4j ${log4j.version} test org.apache.skywalking apm-toolkit-log4j-1.x ${project.version} org.apache.skywalking apm-toolkit-logging-common ${project.version}