4.0.0 org.apache.skywalking apm-sdk-plugin 5.0.0-RC-SNAPSHOT apm-httpClient-4.x-plugin jar httpclient-4.x-plugin http://maven.apache.org UTF-8 4.3 2.4.1 4.12 org.apache.httpcomponents httpclient ${apache-httpclient.version} provided org.apache.logging.log4j log4j-core ${log4j-core.version} test junit junit ${junit.version} test