跑Tomcat
tomcat7:run -Dmaven.tomcat.port=81
跑Jetty
jetty:run -Djetty.port=82
VM arguments
-server -Xms1024m -Xmx1024m -XX:PermSize=512m -XX:MaxPermSize=512m -XX:+CMSClassUnloadingEnabled -XX:+PrintGCDetails -Xloggc:%M2_HOME%/gc.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=%M2_HOME%/java_pid.hprof