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JMX（Java Management Extensions，即Java管理扩展）是一个为应用程序、设备、系统等植入管理功能的框架。JMX可以跨越一系列异构操作系统平台、系统体系结构和网络传输协议，灵活的开发无缝集成的系统、网络和服务管理应用。package org.suren.littlebird;
/**
* @author suren
* 接口名必须以MXBean结尾
*/
public interface ITestHelloMXBean
{
public void hello();
public String getName();
} [/codesyntax]
package org.suren.littlebird;
/**
* @author suren
*/
public class TestHello implements ITestHelloMXBean
{
@Override
public void hello()
{
System.out.println("impl hello");
}
@Override
public String getName()
{
return "test get name";
}
} [/codesyntax]
package org.suren.littlebird;
import java.lang.management.ManagementFactory;
import java.rmi.registry.LocateRegistry;
import java.util.HashMap;
import java.util.Map;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.remote.JMXConnectorServer;
import javax.management.remote.JMXConnectorServerFactory;
import javax.management.remote.JMXServiceURL;
import javax.naming.Context;
/**
* @author suren
*
*/
public class JmxServerTest {
private static final String DOMAIN = "suren";
//用jconsole连接的话，会在“MBean”选项卡中多出来下面包名定义的一个节点
private static final String PACKAGE = "org.suren.littlebird:type=";
public static void main(String args[]) throws Exception
{
LocateRegistry.createRegistry(5006); //用于远程连接的端口
MBeanServer server = ManagementFactory.getPlatformMBeanServer();
//注册一个可供调用的Bean对象
TestHello testHello = new TestHello();
ObjectName testHelloObjName = new ObjectName(PACKAGE + "TestHello");
server.registerMBean(testHello, testHelloObjName);
//注册一个可供远程连接的Bean对象
JMXServiceURL serverUrl = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://127.0.0.1:5006/"+DOMAIN);
Map<String, String> env = new HashMap<String, String>();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.rmi.registry.RegistryContextFactory");
JMXConnectorServer connectorServer = JMXConnectorServerFactory.newJMXConnectorServer(serverUrl,env, server);
server.registerMBean(connectorServer, new ObjectName(PACKAGE + "JMXConnectorServer"));
//启动服务，这个start动作也可以通过jconsole来调用
connectorServer.start();
}
} [/codesyntax]
package org.suren.littlebird;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import javax.management.MBeanInfo;
import javax.management.MBeanServerConnection;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
/**
* @author suren
*
*/
public class JmxClientTest
{
/**
* @param args
*/
public static void main(String[] args) throws Exception
{
String hostName = "127.0.0.1"; //发布JMX服务的地址
int portNum = 5006; //发布服务的端口
JMXServiceURL u = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://"
+ hostName + ":" + portNum + "/suren");
Map<String, Object> auth = new HashMap<String, Object>();
//认证所需要的用户信息
auth.put(JMXConnector.CREDENTIALS, new String[]{ "controlRole", "123" });
JMXConnector jmxConnector = JMXConnectorFactory.connect(u, auth);
MBeanServerConnection connection = jmxConnector.getMBeanServerConnection();
Set<ObjectInstance> beans = connection.queryMBeans(null, null);
for(ObjectInstance objInstance : beans)
{
ObjectName mBeanName = objInstance.getObjectName();
MBeanInfo mbeanInfo = connection.getMBeanInfo(mBeanName);
System.out.println(Arrays.toString(mbeanInfo.getOperations()));
}
}
} [/codesyntax] tomcat对我发布的可能是jmxrmi，要访问的uri为service:jmx:rmi:///jndi/rmi://localhost:5006/jmxrmi
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原文地址：http://my.oschina.net/surenpi/blog/481991
