通过JMX获取weblogic的监控数据，包括JDBC,SESSION,SERVERLET,JVM等信息。主要用到weblogic自己的t3协议，所以要用到weblogic的jar包:wlfullclient.jar和wlclient.jar。这两个jar包怎么获取我专门在另外一篇文章中讲。下面贴一些获取监控指标的代码，做个备份只用吧。

1、对JDBC的监控，只取了最重要的监控指标：

package test;

import java.io.IOException;

import java.net.MalformedURLException;

import java.util.Hashtable;

import javax.management.MBeanServerConnection;

import javax.management.MalformedObjectNameException;

import javax.management.ObjectName;

import javax.management.remote.JMXConnector;

import javax.management.remote.JMXConnectorFactory;

import javax.management.remote.JMXServiceURL;

import javax.naming.Context;

public class PrintJdbc {

	private static MBeanServerConnection connection;

	private static JMXConnector connector;

	private static final ObjectName service;

	   static {

	      try {

	         service = new ObjectName("com.bea:Name=RuntimeService,Type=weblogic.management.mbeanservers.runtime.RuntimeServiceMBean");

	      }catch (MalformedObjectNameException e) {

	         throw new AssertionError(e.getMessage());

	      }

	   }

	   public static void initConnection(String hostname, String portString,

	      String username, String password) throws IOException,

	      MalformedURLException {

	      String protocol = "t3";

	      Integer portInteger = Integer.valueOf(portString);

	      int port = portInteger.intValue();

	      String jndiroot = "/jndi/";

	      String mserver = "weblogic.management.mbeanservers.runtime";

	      JMXServiceURL serviceURL = new JMXServiceURL(protocol, hostname,

	         port, jndiroot + mserver);

	      Hashtable h = new Hashtable();

	      h.put(Context.SECURITY_PRINCIPAL, username);

	      h.put(Context.SECURITY_CREDENTIALS, password);

	      h.put(JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES,

	         "weblogic.management.remote");

	      connector = JMXConnectorFactory.connect(serviceURL, h);

	      connection = connector.getMBeanServerConnection();

	   }

	   public static ObjectName getServerRuntimes() throws Exception {

		    return (ObjectName)connection.getAttribute(service,

	    		  "ServerRuntime");

	   }

	   public  ObjectName getJDBCServer() throws Exception {

		   ObjectName dc = getServerRuntimes();

		   ObjectName jdbcService = (ObjectName)connection.getAttribute(dc,

				   "JDBCServiceRuntime");

		   return jdbcService;

	   }

		public ObjectName[] getJDBCDataSourceRuntime() throws Exception   {

			ObjectName[] jdbcDataSourceRTMB = (ObjectName[]) connection.getAttribute(getJDBCServer(), "JDBCDataSourceRuntimeMBeans");

			return jdbcDataSourceRTMB;

		}

	   public void printJdbc() throws Exception {

		   ObjectName[] objectList = getJDBCDataSourceRuntime();

		   if(objectList != null && objectList.length > 0){

			   for(ObjectName obj : objectList){

				   int connectionsTotalCount = (int) connection.getAttribute(obj, "ConnectionsTotalCount");

				   int activeConnectionsCurrentCount = (int)connection.getAttribute(obj, "ActiveConnectionsCurrentCount");

				   int activeConnectionsAverageCount = (int)connection.getAttribute(obj,"ActiveConnectionsAverageCount");

				   int failuresToReconnectCount = (int)connection.getAttribute(obj, "FailuresToReconnectCount");

				   String name = (String)connection.getAttribute(obj, "Name");

				   int waitingForConnectionCurrentCount = (int)connection.getAttribute(obj, "WaitingForConnectionCurrentCount");

				   long waitingForConnectionFailureTotal = (long)connection.getAttribute(obj, "WaitingForConnectionFailureTotal");

				   int waitSecondsHighCount = (int)connection.getAttribute(obj, "WaitSecondsHighCount");

				   int connectionDelayTime = (int)connection.getAttribute(obj, "ConnectionDelayTime");

				   int activeConnectionsHighCount = (int)connection.getAttribute(obj, "ActiveConnectionsHighCount");

				   int currCapacity = (int)connection.getAttribute(obj, "CurrCapacity");

				   System.out.println("currCapacity==" + currCapacity);

				   System.out.println("activeConnectionsHighCount==" + activeConnectionsHighCount);

				   System.out.println("connectionDelayTime==" + connectionDelayTime);

				   System.out.println("connectionsTotalCount==" + connectionsTotalCount);

				   System.out.println("activeConnectionsCurrentCount==" + activeConnectionsCurrentCount);

				   System.out.println("activeConnectionsAverageCount==" + activeConnectionsAverageCount);

				   System.out.println("failuresToReconnectCount==" + failuresToReconnectCount);

				   System.out.println("name==" + name);

				   System.out.println("waitingForConnectionCurrentCount==" +waitingForConnectionCurrentCount );

				   System.out.println("waitingForConnectionFailureTotal==" + waitingForConnectionFailureTotal);

				   System.out.println("waitSecondsHighCount==" + waitSecondsHighCount);

			   }

		   }

	   }

	   public static void main(String[] args) throws Exception {

		      String hostname = "10.111.131.50";

		      String portString = "7001";

		      String username = "weblogic";

		      String password = "weblogic123";

		      PrintJdbc s = new PrintJdbc();

		      initConnection(hostname, portString, username, password);

		      s.printJdbc();

		      connector.close();

		   }

}

　　2、有关thread的监控：

package test;

import java.io.IOException;

import java.net.MalformedURLException;

import java.util.Hashtable;

import javax.management.MBeanServerConnection;

import javax.management.MalformedObjectNameException;

import javax.management.ObjectName;

import javax.management.remote.JMXConnector;

import javax.management.remote.JMXConnectorFactory;

import javax.management.remote.JMXServiceURL;

import javax.naming.Context;

public class PrintThread {

	private static MBeanServerConnection connection;

	private static JMXConnector connector;

	private static final ObjectName service;

	   static {

	      try {

	         service = new ObjectName("com.bea:Name=RuntimeService,Type=weblogic.management.mbeanservers.runtime.RuntimeServiceMBean");

	      }catch (MalformedObjectNameException e) {

	         throw new AssertionError(e.getMessage());

	      }

	   }

	   public static void initConnection(String hostname, String portString,

	      String username, String password) throws IOException,

	      MalformedURLException {

	      String protocol = "t3";

	      Integer portInteger = Integer.valueOf(portString);

	      int port = portInteger.intValue();

	      String jndiroot = "/jndi/";

	      String mserver = "weblogic.management.mbeanservers.runtime";

	      JMXServiceURL serviceURL = new JMXServiceURL(protocol, hostname,

	         port, jndiroot + mserver);

	      Hashtable h = new Hashtable();

	      h.put(Context.SECURITY_PRINCIPAL, username);

	      h.put(Context.SECURITY_CREDENTIALS, password);

	      h.put(JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES,

	         "weblogic.management.remote");

	      connector = JMXConnectorFactory.connect(serviceURL, h);

	      connection = connector.getMBeanServerConnection();

	   }

	   public static ObjectName getServerRuntimes() throws Exception {

		    return (ObjectName)connection.getAttribute(service,

	    		  "ServerRuntime");

	   }

	   public void printInfo() throws Exception{

		   ObjectName objThreadPool = null;

		   ObjectName serverRT = getServerRuntimes();

		   objThreadPool = (ObjectName) connection.getAttribute(serverRT, "ThreadPoolRuntime");

		   double throughput  = Double.parseDouble(String.valueOf(connection.getAttribute(

				   objThreadPool,"Throughput")));

		   System.out.println("throughput:" + throughput);

		   int executeThreadTotalCount = Integer.parseInt(String.valueOf(connection.getAttribute(objThreadPool, "ExecuteThreadTotalCount")));

		   System.out.println("executeThreadTotalCount:" + executeThreadTotalCount);

		   int executeThreadIdleCount = Integer.parseInt(String.valueOf(connection.getAttribute(objThreadPool, "ExecuteThreadIdleCount")));

		   System.out.println("executeThreadIdleCount:" + executeThreadIdleCount);

		   int StandbyThreadCount = Integer.parseInt(String.valueOf(connection.getAttribute(objThreadPool, "StandbyThreadCount")));

	       System.out.println("StandbyThreadCount:" + StandbyThreadCount);

	       long timestamp = System.currentTimeMillis() / 1000;

			String metricJson = "";

			String jsonFormat = "{\"name\": \"weblogic_threadpool_metric_demo\", " +

	                "\"command\":\"weblogic_threadpool_metric\"," +

	                "\"type\": \"metric\"," +

	                "\"handlers\": [\"influxdb\"],"+

	                "\"output\": \"%s %.5f %d\\n%s %d %d\\n%s %d %d\\n\"," +

	                "\"status\": 0}";

			metricJson = String.format(jsonFormat,

		              ".weblogic.threadpool.throughput", (double)throughput, timestamp,

		              ".weblogic.threadpool.executeThreadTotalCount", (int)executeThreadTotalCount, timestamp,

		              ".weblogic.threadpool.executeThreadIdleCount", (int)executeThreadIdleCount, timestamp);

			System.out.println("metricJson==" + metricJson);

	   }

	public static void main(String args[]) throws Exception {

		 String hostname = "10.111.131.50";

	      String portString = "7001";

	      String username = "weblogic";

	      String password = "weblogic123";

	      PrintThread s = new PrintThread();

	      initConnection(hostname, portString, username, password);

	      s.printInfo();

	      connector.close();

	}

}

　　3、有关session的监控：

package test;

import java.io.IOException;

import java.net.MalformedURLException;

import java.util.Hashtable;

import javax.management.MBeanServerConnection;

import javax.management.MalformedObjectNameException;

import javax.management.ObjectName;

import javax.management.remote.JMXConnector;

import javax.management.remote.JMXConnectorFactory;

import javax.management.remote.JMXServiceURL;

import javax.naming.Context;

public class PrintServerState {

	private static MBeanServerConnection connection;

	private static JMXConnector connector;

	private static final ObjectName service;

	   static {

	      try {

	         service = new ObjectName("com.bea:Name=DomainRuntimeService,Type=weblogic.management.mbeanservers.domainruntime.DomainRuntimeServiceMBean");

	      }catch (MalformedObjectNameException e) {

	         throw new AssertionError(e.getMessage());

	      }

	   }

	   public static void initConnection(String hostname, String portString,

	      String username, String password) throws IOException,

	      MalformedURLException {

	      String protocol = "t3";

	      Integer portInteger = Integer.valueOf(portString);

	      int port = portInteger.intValue();

	      String jndiroot = "/jndi/";

	      String mserver = "weblogic.management.mbeanservers.domainruntime";

	      JMXServiceURL serviceURL = new JMXServiceURL(protocol, hostname,

	         port, jndiroot + mserver);

	      Hashtable h = new Hashtable();

	      h.put(Context.SECURITY_PRINCIPAL, username);

	      h.put(Context.SECURITY_CREDENTIALS, password);

	      h.put(JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES,

	         "weblogic.management.remote");

	      connector = JMXConnectorFactory.connect(serviceURL, h);

	      connection = connector.getMBeanServerConnection();

	   }

	   public static ObjectName[] getServerRuntimes() throws Exception {

	      return (ObjectName[]) connection.getAttribute(service,

	         "ServerRuntimes");

	   }

	   public static ObjectName[] getApplicationRuntimes(ObjectName serverRuntime) throws Exception {

		   return (ObjectName[])connection.getAttribute(serverRuntime, "ApplicationRuntimes");

	   }

	   public static ObjectName[] getComponentRuntimes(ObjectName componentRutime) throws Exception {

		   return (ObjectName[]) connection.getAttribute(componentRutime, "ComponentRuntimes");

	   }

	   public void printSessionState() throws Exception {

		   ObjectName[] serverRT = getServerRuntimes();

		   int length = (int) serverRT.length;

		   for(int i = 0;i<length;i++){

			   ObjectName[] applicationRT = getApplicationRuntimes(serverRT[i]);

			   int length_app = (int)applicationRT.length;

			   for(int y = 0;y<length_app;y++){

				   String applicationName =  (String)connection.getAttribute(applicationRT[y], "ApplicationName");

				   if(applicationName.equals("helloworld")){

				   ObjectName[]  componentRuntime = getComponentRuntimes(applicationRT[y]);

				   int length_component = (int)componentRuntime.length;

				   System.out.println("length_component==" + length_component);

				   for(int z = 0;z<length_component;z++){

					   String type =  (String)connection.getAttribute(componentRuntime[z], "Type");

					   if(type.equals("WebAppComponentRuntime")){

					   int SessionsOpenedTotalCount = (int)connection.getAttribute(componentRuntime[z], "SessionsOpenedTotalCount");

					   System.out.println("SessionsOpenedTotalCount==" + SessionsOpenedTotalCount);

					   int openSessionsHighCount = (int)connection.getAttribute(componentRuntime[z], "OpenSessionsHighCount");

					   System.out.println("openSessionsHighCount==" + openSessionsHighCount);

					   int openSessionsCurrentCount = (int)connection.getAttribute(componentRuntime[z], "OpenSessionsCurrentCount");

					   System.out.println("openSessionsCurrentCount==" + openSessionsCurrentCount);

					   break;

					   }

				     }

				     break;

				  }

			   }

		   }

	   }

	   public void printNameAndState() throws Exception {

	      ObjectName[] serverRT = getServerRuntimes();

	      System.out.println("got server runtimes");

	      int length = (int) serverRT.length;

	      for (int i = 0; i < length; i++) {

	         String name = (String) connection.getAttribute(serverRT[i],

	            "Name");

	         String state = (String) connection.getAttribute(serverRT[i],

	            "State");

	         long activationTime  = (Long)connection.getAttribute(serverRT[i], "ActivationTime");

	         System.out.println("Server name: " + name);

	         System.out.println("Server state:" + state);

	         System.out.println("Server activationTime:" + activationTime);

	         String weblogicVersion  = (String) connection.getAttribute(serverRT[i], "WeblogicVersion");

	         System.out.println("Server weblogicVersion:" + weblogicVersion);

	         String weblogicHome = (String) connection.getAttribute(serverRT[i], "WeblogicHome");

	         System.out.println("Server WeblogicHome:" +weblogicHome );

	      }

	   }

	    public static void main(String[] args) throws Exception {

	      String hostname = "10.111.131.50";

	      String portString = "7001";

	      String username = "weblogic";

	      String password = "weblogic123";

	       PrintServerState s = new PrintServerState();

	      initConnection(hostname, portString, username, password);

	      s.printNameAndState();

	      s.printSessionState();

	      connector.close();

	   }

}

　　4、有关serverlet的监控：

package test;

import java.io.IOException;

import java.net.MalformedURLException;

import java.util.Hashtable;

import javax.management.MBeanServerConnection;

import javax.management.MalformedObjectNameException;

import javax.management.ObjectName;

import javax.management.remote.JMXConnector;

import javax.management.remote.JMXConnectorFactory;

import javax.management.remote.JMXServiceURL;

import javax.naming.Context;

public class PrintServerlet {

	private static MBeanServerConnection connection;

	   private static JMXConnector connector;

	   private static final ObjectName service;

	   private final String applicationName_app="helloworld";

	   private final String serverletName1="index.jsp";

	   private final String serverletName2="helloworld.jsp";

	   static {

	      try {

	         service = new ObjectName(

	          "com.bea:Name=DomainRuntimeService,Type=weblogic.management.mbeanservers.domainruntime.DomainRuntimeServiceMBean");

	      }catch (MalformedObjectNameException e) {

	         throw new AssertionError(e.getMessage());

	      }

	   }

	   public static void initConnection(String hostname, String portString,

	      String username, String password) throws IOException,

	      MalformedURLException {

	      String protocol = "t3";

	      Integer portInteger = Integer.valueOf(portString);

	      int port = portInteger.intValue();

	      String jndiroot = "/jndi/";

	      String mserver = "weblogic.management.mbeanservers.domainruntime";

	       JMXServiceURL serviceURL = new JMXServiceURL(protocol, hostname,

	         port, jndiroot + mserver);

	      Hashtable h = new Hashtable();

	      h.put(Context.SECURITY_PRINCIPAL, username);

	      h.put(Context.SECURITY_CREDENTIALS, password);

	      h.put(JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES,

	         "weblogic.management.remote");

	      connector = JMXConnectorFactory.connect(serviceURL, h);

	      connection = connector.getMBeanServerConnection();

	   }

	   public static ObjectName[] getServerRuntimes() throws Exception {

	      return (ObjectName[]) connection.getAttribute(service,

	         "ServerRuntimes");

	   }

	   public String getApplicationName(ObjectName objectName) throws Exception {

		   return (String)connection.getAttribute(objectName, "Name");

	   }

	   public String getServletName(ObjectName objectName) throws Exception {

		   return (String)connection.getAttribute(objectName,"Name");

	   }

	   public void getServletData() throws Exception {

	      ObjectName[] serverRT = getServerRuntimes();

	      int length = (int) serverRT.length;

	      for (int i = 0; i < length; i++) {

	         ObjectName[] appRT =

	            (ObjectName[]) connection.getAttribute(serverRT[i],

	            "ApplicationRuntimes");

	         int appLength = (int) appRT.length;

	         for (int x = 0; x < appLength; x++) {

	        	 String applicationName = getApplicationName(appRT[x]);

	        	 if(applicationName_app.equals(applicationName)){

	        		 System.out.println("Application name: " + applicationName);

	        		 ObjectName[] compRT =

	        	               (ObjectName[]) connection.getAttribute(appRT[x],

	        	               "ComponentRuntimes");

	        	     int compLength = (int) compRT.length;

	            for (int y = 0; y < compLength; y++) {

	            	printValue("Component name",(String)connection.getAttribute(compRT[y], "Name"));

	               String componentType =

	                  (String) connection.getAttribute(compRT[y], "Type");

	               System.out.println(componentType.toString());

	               if (componentType.toString().equals("WebAppComponentRuntime")){

	                  ObjectName[] servletRTs = (ObjectName[])

	                     connection.getAttribute(compRT[y], "Servlets");

	                  int servletLength = (int) servletRTs.length;

	                  for (int z = 0; z < servletLength; z++) {

	                	  String servletName = getServletName(servletRTs[z]);

	                	  if (servletName.contains(serverletName1) || servletName.contains(serverletName2)){

	                		   printValue("Servlet name",servletName);

	                		   printValue("Servlet context path" ,

	 	                        (String)connection.getAttribute(servletRTs[z],

	 	                         "ContextPath"));

		 	                    printValue("Invocation Total Count" ,

		 		                        (Object)connection.getAttribute(servletRTs[z],

		 		                         "InvocationTotalCount"));

		 	                   printValue("ExecutionTimeHigh",

		 		 	                        (Object)connection.getAttribute(servletRTs[z],

		 		 	                         "ExecutionTimeHigh"));

		 		                printValue("ExecutionTimeTotal",(Object)connection.getAttribute(servletRTs[z],

		 	                         "ExecutionTimeTotal"));

		 		                printValue("ExecutionTimeAverage",(Object)connection.getAttribute(servletRTs[z],

		 		                		"ExecutionTimeAverage"));

	                	  }

	                  }

	               }

	            }

	           }

	         }

	      }

	   }

	   private void printValue(String key,Object value){

		   System.out.println("  " + key + " : " + value);

	   }

	    public static void main(String[] args) throws Exception {

	    	 String hostname = "10.111.131.50";

		      String portString = "7001";

		      String username = "weblogic";

		      String password = "weblogic123";

		      PrintServerlet s = new PrintServerlet();

		      initConnection(hostname, portString, username, password);

		      s.getServletData();

		      connector.close();

	   }

}

　　

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