http://stackoverflow.com/questions/20884353/why-java-opens-3-ports-when-jmx-is-configured
http://blog.csdn.net/u013793650/article/details/24368831
http://stackoverflow.com/questions/20884353/why-java-opens-3-ports-when-jmx-is-configured
http://blog.csdn.net/u013793650/article/details/24368831