远程:
String jmxURL = "service:jmx:rmi:///jndi/rmi://192.168.10.93:8999/jmxrmi";
JMXServiceURL serviceURL = new JMXServiceURL(jmxURL);
Map map = new HashMap();
String[] credentials = new String[] { "monitorRole" , "QED" };
map.put("jmx.remote.credentials", credentials);
JMXConnector connector = JMXConnectorFactory.connect(serviceURL, map);
MBeanServerConnection mbsc = connector.getMBeanServerConnection();
//堆使用率
ObjectName heapObjName = new ObjectName("java.lang:type=Memory");
MemoryUsage heapMemoryUsage = MemoryUsage.from((CompositeDataSupport)mbsc.getAttribute(heapObjName, "HeapMemoryUsage"));
long maxMemory = heapMemoryUsage.getMax();//堆最大
long commitMemory = heapMemoryUsage.getCommitted();//堆当前分配
long usedMemory = heapMemoryUsage.getUsed();
本地:
List<MBeanServer> mBeanServers = MBeanServerFactory.findMBeanServer(null);
ClassLoadingMXBean classBean = ManagementFactory.getClassLoadingMXBean();
MemoryMXBean mxBean = ManagementFactory.getMemoryMXBean();
OperatingSystemMXBean osMBean = ManagementFactory.getOperatingSystemMXBean();
ThreadMXBean thrBean = ManagementFactory.getThreadMXBean();
即直接用 MBeanServerFactory 获取MBean.
若使用远程一样的方法,用localhost连接jmx再包装发布在jmx中,会连不上
连接服务器JMX,远程和本地代码不同
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转载自lonelyisland.iteye.com/blog/1271263
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