[JMX] jconsole client

jconsole client
---------------------

package cn.bisoft.web;

import static java.lang.management.ManagementFactory.CLASS_LOADING_MXBEAN_NAME;
import static java.lang.management.ManagementFactory.COMPILATION_MXBEAN_NAME;
import static java.lang.management.ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE;
import static java.lang.management.ManagementFactory.MEMORY_MXBEAN_NAME;
import static java.lang.management.ManagementFactory.MEMORY_POOL_MXBEAN_DOMAIN_TYPE;
import static java.lang.management.ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME;
import static java.lang.management.ManagementFactory.RUNTIME_MXBEAN_NAME;
import static java.lang.management.ManagementFactory.THREAD_MXBEAN_NAME;
import static java.lang.management.ManagementFactory.newPlatformMXBeanProxy;

import java.lang.management.ClassLoadingMXBean;
import java.lang.management.CompilationMXBean;
import java.lang.management.GarbageCollectorMXBean;
import java.lang.management.MemoryMXBean;
import java.lang.management.OperatingSystemMXBean;
import java.lang.management.RuntimeMXBean;
import java.lang.management.ThreadMXBean;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;

import javax.management.Attribute;
import javax.management.AttributeList;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanParameterInfo;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.rmi.RMIConnector;
import javax.management.remote.rmi.RMIServer;
import javax.rmi.ssl.SslRMIClientSocketFactory;

import cn.bisoft.web.proxy.MemoryPoolProxy;

public class JMXClient {
	private String hostName;
	private int port;
	private String userName;
	private String password;
	private String serviceUrl;
	private RMIServer stub = null;
	private JMXConnector jmxc = null;
	private MBeanServerConnection mbsc = null;
	private SnapshotMBeanServerConnection server = null;
	private boolean hasPlatformMXBeans = false;
	private boolean hasCompilationMXBean = false;

	private static final SslRMIClientSocketFactory sslRMIClientSocketFactory = new SslRMIClientSocketFactory();

	private ClassLoadingMXBean classLoadingMBean = null;
	private CompilationMXBean compilationMBean = null;
	private MemoryMXBean memoryMBean = null;
	private OperatingSystemMXBean operatingSystemMBean = null;
	private RuntimeMXBean runtimeMBean = null;
	private ThreadMXBean threadMBean = null;

	private OperatingSystemMXBean sunOperatingSystemMXBean = null;

	private List<MemoryPoolProxy> memoryPoolProxies = null;
	private List<GarbageCollectorMXBean> garbageCollectorMBeans = null;

	public JMXClient(String hostName, int port, String userName, String password)
			throws Exception {
		this.serviceUrl = "service:jmx:rmi:///jndi/rmi://" + hostName + ":"
				+ port + "/jmxrmi";
		System.out.println("remote connect address: " + serviceUrl);
		this.hostName = hostName;
		this.port = port;
		this.userName = userName;
		this.password = password;
	}

	public void connect() throws Exception {
		Registry registry = null;
		if (null != userName) {
			registry = LocateRegistry.getRegistry(hostName, port,
					sslRMIClientSocketFactory);
			stub = (RMIServer) registry.lookup("jmxrmi");
		} else {
			registry = LocateRegistry.getRegistry(hostName, port);
			stub = (RMIServer) registry.lookup("jmxrmi");
		}

		if (userName == null && password == null) {
			this.jmxc = new RMIConnector(stub, null);
			jmxc.connect();
		} else {
			Map<String, String[]> env = new HashMap<String, String[]>();
			env.put(JMXConnector.CREDENTIALS,
					new String[] { userName, password });
			this.jmxc = new RMIConnector(stub, null);
			jmxc.connect(env);
		}

		this.mbsc = jmxc.getMBeanServerConnection();
		this.server = Snapshot.newSnapshot(mbsc);

		try {
			ObjectName on = new ObjectName(THREAD_MXBEAN_NAME);
			this.hasPlatformMXBeans = server.isRegistered(on);

			if (this.hasPlatformMXBeans) {
				on = new ObjectName(COMPILATION_MXBEAN_NAME);
				this.hasCompilationMXBean = server.isRegistered(on);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}

		if (hasPlatformMXBeans) {
			getRuntimeMXBean();
		}

		System.out.println("Connect JMX Server is Open!");
	}

	public void disconnect() {
		stub = null;
		if (jmxc != null) {
			try {
				jmxc.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		classLoadingMBean = null;
		compilationMBean = null;
		memoryMBean = null;
		operatingSystemMBean = null;
		runtimeMBean = null;
		threadMBean = null;
		sunOperatingSystemMXBean = null;

		System.out.println("Connect JMX Server is Close!");
	}

	public void flush() {
		if (server != null) {
			server.flush();
		}
	}

	public MBeanServerConnection getMBeanServerConnection() {
		return mbsc;
	}

	public SnapshotMBeanServerConnection getSnapshotMBeanServerConnection() {
		return server;
	}

	public String[] getDomains() throws Exception {
		return server.getDomains();
	}

	public Map<ObjectName, MBeanInfo> getMBeans(String domain) throws Exception {
		ObjectName name = null;
		if (domain != null) {
			try {
				name = new ObjectName(domain + ":*");
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		Set<?> mbeans = server.queryNames(name, null);
		Map<ObjectName, MBeanInfo> result = new HashMap<ObjectName, MBeanInfo>(
				mbeans.size());
		Iterator<?> iterator = mbeans.iterator();
		while (iterator.hasNext()) {
			Object object = iterator.next();
			if (object instanceof ObjectName) {
				ObjectName o = (ObjectName) object;
				try {
					MBeanInfo info = server.getMBeanInfo(o);
					result.put(o, info);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		}
		return result;
	}

	public AttributeList getAttributes(ObjectName name, String[] attributes)
			throws Exception {
		AttributeList list = null;
		try {
			list = server.getAttributes(name, attributes);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return list;
	}

	public void setAttribute(ObjectName name, Attribute attribute)
			throws Exception {
		try {
			server.setAttribute(name, attribute);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public Object invoke(ObjectName name, String operationName,
			Object[] params, String[] signature) throws Exception {
		Object result = null;
		try {
			result = server.invoke(name, operationName, params, signature);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return result;
	}

	public <T> T getMXBean(ObjectName objName, Class<T> interfaceClass)
			throws Exception {
		return newPlatformMXBeanProxy(server, objName.toString(),
				interfaceClass);
	}

	public String[] getSignature(MBeanOperationInfo operation) {
		MBeanParameterInfo params[] = operation.getSignature();
		String result[] = new String[params.length];
		for (int i = 0; i < params.length; i++) {
			result[i] = params[i].getType();
		}
		return result;
	}

	boolean hasPlatformMXBeans() {
		return this.hasPlatformMXBeans;
	}

	public boolean isRegistered(ObjectName name) throws Exception {
		return server.isRegistered(name);
	}

	public synchronized ClassLoadingMXBean getClassLoadingMXBean()
			throws Exception {
		if (hasPlatformMXBeans && classLoadingMBean == null) {
			classLoadingMBean = newPlatformMXBeanProxy(server,
					CLASS_LOADING_MXBEAN_NAME, ClassLoadingMXBean.class);
		}
		return classLoadingMBean;
	}

	public synchronized CompilationMXBean getCompilationMXBean()
			throws Exception {
		if (hasCompilationMXBean && compilationMBean == null) {
			compilationMBean = newPlatformMXBeanProxy(server,
					COMPILATION_MXBEAN_NAME, CompilationMXBean.class);
		}
		return compilationMBean;
	}

	public Collection<MemoryPoolProxy> getMemoryPoolProxies() throws Exception {
		if (memoryPoolProxies == null) {
			ObjectName poolName = null;
			try {
				poolName = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE + ",*");
			} catch (Exception e) {
				e.printStackTrace();
			}
			Set<?> mbeans = server.queryNames(poolName, null);
			if (mbeans != null) {
				memoryPoolProxies = new ArrayList<MemoryPoolProxy>();
				Iterator<?> iterator = mbeans.iterator();
				while (iterator.hasNext()) {
					ObjectName objName = (ObjectName) iterator.next();
					MemoryPoolProxy p = new MemoryPoolProxy(this, objName);
					memoryPoolProxies.add(p);
				}
			}
		}
		return memoryPoolProxies;
	}

	public synchronized Collection<GarbageCollectorMXBean> getGarbageCollectorMXBeans()
			throws Exception {
		if (garbageCollectorMBeans == null) {
			ObjectName gcName = null;
			try {
				gcName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE
						+ ",*");
			} catch (Exception e) {
				e.printStackTrace();
			}
			Set<?> mbeans = server.queryNames(gcName, null);
			if (mbeans != null) {
				garbageCollectorMBeans = new ArrayList<GarbageCollectorMXBean>();
				Iterator<?> iterator = mbeans.iterator();
				while (iterator.hasNext()) {
					ObjectName on = (ObjectName) iterator.next();
					String name = GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE
							+ ",name=" + on.getKeyProperty("name");

					GarbageCollectorMXBean mBean = newPlatformMXBeanProxy(
							server, name, GarbageCollectorMXBean.class);
					garbageCollectorMBeans.add(mBean);
				}
			}
		}
		return garbageCollectorMBeans;
	}

	public synchronized MemoryMXBean getMemoryMXBean() throws Exception {
		if (hasPlatformMXBeans && memoryMBean == null) {
			memoryMBean = newPlatformMXBeanProxy(server, MEMORY_MXBEAN_NAME,
					MemoryMXBean.class);
		}
		return memoryMBean;
	}

	public synchronized RuntimeMXBean getRuntimeMXBean() throws Exception {
		if (hasPlatformMXBeans && runtimeMBean == null) {
			runtimeMBean = newPlatformMXBeanProxy(server, RUNTIME_MXBEAN_NAME,
					RuntimeMXBean.class);
		}
		return runtimeMBean;
	}

	public synchronized ThreadMXBean getThreadMXBean() throws Exception {
		if (hasPlatformMXBeans && threadMBean == null) {
			threadMBean = newPlatformMXBeanProxy(server, THREAD_MXBEAN_NAME,
					ThreadMXBean.class);
		}
		return threadMBean;
	}

	public synchronized OperatingSystemMXBean getOperatingSystemMXBean()
			throws Exception {
		if (hasPlatformMXBeans && operatingSystemMBean == null) {
			operatingSystemMBean = newPlatformMXBeanProxy(server,
					OPERATING_SYSTEM_MXBEAN_NAME, OperatingSystemMXBean.class);
		}
		return operatingSystemMBean;
	}

	public synchronized OperatingSystemMXBean getSunOperatingSystemMXBean()
			throws Exception {
		try {
			ObjectName on = new ObjectName(OPERATING_SYSTEM_MXBEAN_NAME);
			if (sunOperatingSystemMXBean == null) {
				if (server.isInstanceOf(on,
						"com.sun.management.OperatingSystemMXBean")) {
					sunOperatingSystemMXBean = newPlatformMXBeanProxy(server,
							OPERATING_SYSTEM_MXBEAN_NAME,
							OperatingSystemMXBean.class);
				}
			}
		} catch (Exception e) {
			return null;
		}
		return sunOperatingSystemMXBean;
	}

	public static class Snapshot {
		private Snapshot() {
		}

		public static SnapshotMBeanServerConnection newSnapshot(
				MBeanServerConnection mbsc) {
			final InvocationHandler ih = new SnapshotInvocationHandler(mbsc);
			return (SnapshotMBeanServerConnection) Proxy.newProxyInstance(
					Snapshot.class.getClassLoader(),
					new Class[] { SnapshotMBeanServerConnection.class }, ih);
		}
	}

	public interface SnapshotMBeanServerConnection extends
			MBeanServerConnection {
		public void flush();
	}

	static class SnapshotInvocationHandler implements InvocationHandler {

		private final MBeanServerConnection conn;
		private Map<ObjectName, NameValueMap> cachedValues = newMap();
		private Map<ObjectName, Set<String>> cachedNames = newMap();

		@SuppressWarnings("serial")
		private static final class NameValueMap extends HashMap<String, Object> {
		}

		SnapshotInvocationHandler(MBeanServerConnection conn) {
			this.conn = conn;
		}

		synchronized void flush() {
			cachedValues = newMap();
		}

		public Object invoke(Object proxy, Method method, Object[] args)
				throws Throwable {
			final String methodName = method.getName();
			if (methodName.equals("getAttribute")) {
				return getAttribute((ObjectName) args[0], (String) args[1]);
			} else if (methodName.equals("getAttributes")) {
				return getAttributes((ObjectName) args[0], (String[]) args[1]);
			} else if (methodName.equals("flush")) {
				flush();
				return null;
			} else {
				try {
					return method.invoke(conn, args);
				} catch (InvocationTargetException e) {
					throw e.getCause();
				}
			}
		}

		private Object getAttribute(ObjectName objName, String attrName)
				throws Exception {
			final NameValueMap values = getCachedAttributes(objName,
					Collections.singleton(attrName));
			Object value = values.get(attrName);
			if (value != null || values.containsKey(attrName)) {
				return value;
			}
			return conn.getAttribute(objName, attrName);
		}

		private AttributeList getAttributes(ObjectName objName,
				String[] attrNames) throws Exception {
			final NameValueMap values = getCachedAttributes(objName,
					new TreeSet<String>(Arrays.asList(attrNames)));
			final AttributeList list = new AttributeList();
			for (String attrName : attrNames) {
				final Object value = values.get(attrName);
				if (value != null || values.containsKey(attrName)) {
					list.add(new Attribute(attrName, value));
				}
			}
			return list;
		}

		private synchronized NameValueMap getCachedAttributes(
				ObjectName objName, Set<String> attrNames) throws Exception {
			NameValueMap values = cachedValues.get(objName);
			if (values != null && values.keySet().containsAll(attrNames)) {
				return values;
			}
			attrNames = new TreeSet<String>(attrNames);
			Set<String> oldNames = cachedNames.get(objName);
			if (oldNames != null) {
				attrNames.addAll(oldNames);
			}
			values = new NameValueMap();
			final AttributeList attrs = conn.getAttributes(objName,
					attrNames.toArray(new String[attrNames.size()]));
			Iterator<?> it = attrs.listIterator();
			while (it.hasNext()) {
				Attribute attribute = (Attribute) it.next();
				values.put(attribute.getName(), attribute.getValue());
			}
			cachedValues.put(objName, values);
			cachedNames.put(objName, attrNames);
			return values;
		}

		private static <K, V> Map<K, V> newMap() {
			return new HashMap<K, V>();
		}
	}

	public String getHostName() {
		return hostName;
	}

	public void setHostName(String hostName) {
		this.hostName = hostName;
	}

	public int getPort() {
		return port;
	}

	public void setPort(int port) {
		this.port = port;
	}

	public String getUserName() {
		return userName;
	}

	public void setUserName(String userName) {
		this.userName = userName;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public String getServiceUrl() {
		return serviceUrl;
	}

	public void setServiceUrl(String serviceUrl) {
		this.serviceUrl = serviceUrl;
	}

	public RMIServer getStub() {
		return stub;
	}

	public void setStub(RMIServer stub) {
		this.stub = stub;
	}

	public JMXConnector getJmxc() {
		return jmxc;
	}

	public void setJmxc(JMXConnector jmxc) {
		this.jmxc = jmxc;
	}

	public MBeanServerConnection getMbsc() {
		return mbsc;
	}

	public void setMbsc(MBeanServerConnection mbsc) {
		this.mbsc = mbsc;
	}

	public SnapshotMBeanServerConnection getServer() {
		return server;
	}

	public void setServer(SnapshotMBeanServerConnection server) {
		this.server = server;
	}

	/**
	 * 远程连接JMX Server,但有用户名和密码的情况下没有连接成功.
	 */
	public static void main(String[] args) throws Exception {
		JMXClient client = new JMXClient("127.0.0.1", 1090, null, null);

		// 开始连接
		client.connect();

		// 查询MBean信息
		for (String domain : client.getDomains()) {
			System.out.println(domain);
			Map<ObjectName, MBeanInfo> mbeanMap = client.getMBeans(domain);
			for (Map.Entry<ObjectName, MBeanInfo> entry : mbeanMap.entrySet()) {
				System.out.println("    " + "ObjectName=" + entry.getKey());
				System.out.println("    " + "MBeanInfo="
						+ entry.getValue().getClassName());
				System.out.println("    " + "MBeanInfo="
						+ entry.getValue().getAttributes());

				for (MBeanAttributeInfo mBeanAttributeInfo : entry.getValue()
						.getAttributes()) {
					System.out.println("        " + "Attribute="
							+ mBeanAttributeInfo.getName());
				}

				System.out.println("    " + "MBeanInfo="
						+ entry.getValue().getOperations());

				for (MBeanOperationInfo mBeanOperationInfo : entry.getValue()
						.getOperations()) {
					System.out.println("        " + "Operation="
							+ mBeanOperationInfo.getName());

					// 调用MBean方法
					if (mBeanOperationInfo.getName().equals("getLoggerLevel")) {
						Object obj = client.invoke(entry.getKey(),
								"getLoggerLevel", new Object[] { "" },
								client.getSignature(mBeanOperationInfo));
						System.out
								.println("call getLoggerLevel result: " + obj);
					}
				}
			}
		}
	}

}

package cn.bisoft.web.proxy;

import static java.lang.management.ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE;

import java.lang.management.MemoryPoolMXBean;
import java.lang.management.MemoryUsage;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import javax.management.ObjectName;

import cn.bisoft.web.JMXClient;

import com.sun.management.GarbageCollectorMXBean;
import com.sun.management.GcInfo;

@SuppressWarnings("restriction")
public class MemoryPoolProxy {
	private String poolName;
	private JMXClient client;
	private ObjectName objName;
	private MemoryPoolMXBean pool;
	private Map<ObjectName, Long> gcMBeans;
	private GcInfo lastGcInfo;

	public MemoryPoolProxy(JMXClient client, ObjectName poolName)
			throws Exception {
		this.client = client;
		this.pool = client.getMXBean(poolName, MemoryPoolMXBean.class);
		this.poolName = this.pool.getName();
		this.gcMBeans = new HashMap<ObjectName, Long>();
		this.lastGcInfo = null;

		String[] mgrNames = pool.getMemoryManagerNames();
		for (String name : mgrNames) {
			try {
				ObjectName mbeanName = new ObjectName(
						GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + name);
				if (client.isRegistered(mbeanName)) {
					gcMBeans.put(mbeanName, new Long(0));
				}
			} catch (Exception e) {
				assert false;
			}

		}
	}

	public boolean isCollectedMemoryPool() {
		return (gcMBeans.size() != 0);
	}

	public ObjectName getObjectName() {
		return objName;
	}

	public MemoryPoolStat getStat() throws Exception {
		long usageThreshold = (pool.isUsageThresholdSupported() ? pool
				.getUsageThreshold() : -1);
		long collectThreshold = (pool.isCollectionUsageThresholdSupported() ? pool
				.getCollectionUsageThreshold() : -1);
		long lastGcStartTime = 0;
		long lastGcEndTime = 0;
		MemoryUsage beforeGcUsage = null;
		MemoryUsage afterGcUsage = null;
		long gcId = 0;
		if (lastGcInfo != null) {
			gcId = lastGcInfo.getId();
			lastGcStartTime = lastGcInfo.getStartTime();
			lastGcEndTime = lastGcInfo.getEndTime();
			beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
			afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
		}

		Set<Map.Entry<ObjectName, Long>> set = gcMBeans.entrySet();
		for (Map.Entry<ObjectName, Long> e : set) {
			GarbageCollectorMXBean gc = client.getMXBean(e.getKey(),
					com.sun.management.GarbageCollectorMXBean.class);
			Long gcCount = e.getValue();
			Long newCount = gc.getCollectionCount();
			if (newCount > gcCount) {
				gcMBeans.put(e.getKey(), new Long(newCount));
				lastGcInfo = gc.getLastGcInfo();
				if (lastGcInfo.getEndTime() > lastGcEndTime) {
					gcId = lastGcInfo.getId();
					lastGcStartTime = lastGcInfo.getStartTime();
					lastGcEndTime = lastGcInfo.getEndTime();
					beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(
							poolName);
					afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(
							poolName);
					assert (beforeGcUsage != null);
					assert (afterGcUsage != null);
				}
			}
		}

		MemoryUsage usage = pool.getUsage();
		return new MemoryPoolStat(poolName, usageThreshold, usage, gcId,
				lastGcStartTime, lastGcEndTime, collectThreshold,
				beforeGcUsage, afterGcUsage);
	}

	public String getPoolName() {
		return poolName;
	}

	public void setPoolName(String poolName) {
		this.poolName = poolName;
	}

	public JMXClient getClient() {
		return client;
	}

	public void setClient(JMXClient client) {
		this.client = client;
	}

	public ObjectName getObjName() {
		return objName;
	}

	public void setObjName(ObjectName objName) {
		this.objName = objName;
	}

	public MemoryPoolMXBean getPool() {
		return pool;
	}

	public void setPool(MemoryPoolMXBean pool) {
		this.pool = pool;
	}

	public Map<ObjectName, Long> getGcMBeans() {
		return gcMBeans;
	}

	public void setGcMBeans(Map<ObjectName, Long> gcMBeans) {
		this.gcMBeans = gcMBeans;
	}

	public GcInfo getLastGcInfo() {
		return lastGcInfo;
	}

	public void setLastGcInfo(GcInfo lastGcInfo) {
		this.lastGcInfo = lastGcInfo;
	}

}

package cn.bisoft.web.proxy;

import java.lang.management.MemoryUsage;

public class MemoryPoolStat {
	private String poolName;
	private long usageThreshold;
	private MemoryUsage usage;
	private long lastGcId;
	private long lastGcStartTime;
	private long lastGcEndTime;
	private long collectThreshold;
	private MemoryUsage beforeGcUsage;
	private MemoryUsage afterGcUsage;

	MemoryPoolStat(String name, long usageThreshold, MemoryUsage usage,
			long lastGcId, long lastGcStartTime, long lastGcEndTime,
			long collectThreshold, MemoryUsage beforeGcUsage,
			MemoryUsage afterGcUsage) {
		this.poolName = name;
		this.usageThreshold = usageThreshold;
		this.usage = usage;
		this.lastGcId = lastGcId;
		this.lastGcStartTime = lastGcStartTime;
		this.lastGcEndTime = lastGcEndTime;
		this.collectThreshold = collectThreshold;
		this.beforeGcUsage = beforeGcUsage;
		this.afterGcUsage = afterGcUsage;
	}

	public String getPoolName() {
		return poolName;
	}

	public MemoryUsage getUsage() {
		return usage;
	}

	public long getUsageThreshold() {
		return usageThreshold;
	}

	public long getCollectionUsageThreshold() {
		return collectThreshold;
	}

	public long getLastGcId() {
		return lastGcId;
	}

	public long getLastGcStartTime() {
		return lastGcStartTime;
	}

	public long getLastGcEndTime() {
		return lastGcEndTime;
	}

	public MemoryUsage getBeforeGcUsage() {
		return beforeGcUsage;
	}

	public MemoryUsage getAfterGcUsage() {
		return afterGcUsage;
	}

	public long getCollectThreshold() {
		return collectThreshold;
	}

	public void setCollectThreshold(long collectThreshold) {
		this.collectThreshold = collectThreshold;
	}

	public void setPoolName(String poolName) {
		this.poolName = poolName;
	}

	public void setUsageThreshold(long usageThreshold) {
		this.usageThreshold = usageThreshold;
	}

	public void setUsage(MemoryUsage usage) {
		this.usage = usage;
	}

	public void setLastGcId(long lastGcId) {
		this.lastGcId = lastGcId;
	}

	public void setLastGcStartTime(long lastGcStartTime) {
		this.lastGcStartTime = lastGcStartTime;
	}

	public void setLastGcEndTime(long lastGcEndTime) {
		this.lastGcEndTime = lastGcEndTime;
	}

	public void setBeforeGcUsage(MemoryUsage beforeGcUsage) {
		this.beforeGcUsage = beforeGcUsage;
	}

	public void setAfterGcUsage(MemoryUsage afterGcUsage) {
		this.afterGcUsage = afterGcUsage;
	}

}

结果:

remote connect address: service:jmx:rmi:///jndi/rmi://127.0.0.1:1090/jmxrmi
Connect JMX Server is Open!
JMImplementation
    ObjectName=JMImplementation:type=MBeanServerDelegate
    MBeanInfo=javax.management.MBeanServerDelegate
    MBeanInfo=[Ljavax.management.MBeanAttributeInfo;@8814e9
        Attribute=MBeanServerId
        Attribute=SpecificationName
        Attribute=SpecificationVersion
        Attribute=SpecificationVendor
        Attribute=ImplementationName
        Attribute=ImplementationVersion
        Attribute=ImplementationVendor
    MBeanInfo=[Ljavax.management.MBeanOperationInfo;@1a1c887
java.util.logging
    ObjectName=java.util.logging:type=Logging
    MBeanInfo=sun.management.ManagementFactoryHelper$PlatformLoggingImpl
    MBeanInfo=[Ljavax.management.MBeanAttributeInfo;@1430b5c
        Attribute=ObjectName
        Attribute=LoggerNames
    MBeanInfo=[Ljavax.management.MBeanOperationInfo;@9ed927
        Operation=getLoggerLevel
call getLoggerLevel result: 
        Operation=getParentLoggerName
        Operation=setLoggerLevel

...........

服务端使用TOMCAT

catalina.bat

set JAVA_OPTS=%JAVA_OPTS% %LOGGING_MANAGER%

:jmx
set JMX_SSL=-Dcom.sun.management.jmxremote.ssl=false
set JMX_AUTH=-Dcom.sun.management.jmxremote.authenticate=false
rem set JMX_AUTH_USER=-Dcom.sun.management.jmxremote.acccess.file="E:/bisoft/tools/tomcat7/conf/jmxremote.access"
rem set JMX_AUTH_PASSWORD=-Dcom.sun.management.jmxremote.password.file="E:/bisoft/tools/tomcat7/conf/jmxremote.password"
set JMX_SERVICE_URL=-Djava.rmi.server.hostname="127.0.0.1" -Dcom.sun.management.jmxremote.port=1090

set JMX_OPTS=%JMX_SSL% %JMX_AUTH% %JMX_SERVICE_URL%