1.3 or earlier
-Xnoagent -Djava.compiler=NONE -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000
1.4.x
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000
1.5-1.8
-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=8000
1.9-
-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:8000
idea 設置 remote configuration時可以看到這些信息