metrics-all com.alibaba.middleware ${metrics.version} ../pom.xml 4.0.0 metrics-tomcat com.alibaba.middleware metrics-core-api org.slf4j slf4j-api junit junit org.apache.tomcat.embed tomcat-embed-core 7.0.91 test org.apache.tomcat tomcat-juli 7.0.91 test com.alibaba.middleware metrics-core-impl test org.mockito mockito-all