通过weblogic 9 mbean监控其应用状态

scs653298

　　通过weblogic开放的jmx mbean可以对部署其上的应用\jms\datasource。。。很多内容进行查看和管理，下面这个demo只是借鉴了一下weblogic提供的例子作一个简单的测试。如果想通过这个实现监控，可以为这段代码加上定时设置（通过TimerTask或者quartz）。


下面这段代码主要查看应用的状态以及jms相关情况（需要依赖weblogic.jar）。

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;
// Initializing the object name for DomainRuntimeServiceMBean
// so it can be used throughout the class.
static {
try {
service = new ObjectName(
"com.bea:Name=DomainRuntimeService,Type=weblogic.management.mbeanservers.domainruntime.DomainRuntimeServiceMBean");
} catch (MalformedObjectNameException e) {
throw new AssertionError(e.getMessage());
}
}
/*
* Initialize connection to the Domain Runtime MBean Server
*/
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();
}
/*
* Print an array of ServerRuntimeMBeans.
* This MBean is the root of the runtime MBean hierarchy, and
* each server in the domain hosts its own instance.
*/
public static ObjectName[] getServerRuntimes() throws Exception {
return (ObjectName[]) connection.getAttribute(service, "ServerRuntimes");
}
/*
* Iterate through ServerRuntimeMBeans and get the name and state
*/
public void printNameAndState() throws Exception {
ObjectName[] serverRT = getServerRuntimes();
System.out.println("got domain runtimes");
int length = (int) serverRT.length;
for (int i = 0; i < length; i++) {
String name = (String) connection.getAttribute(serverRT, "Name");
String state = (String) connection.getAttribute(serverRT, "Type");
System.out.println("Server name: " + name + ".   Server state: " + state);
}
}
public void printAppNameAndState() throws Exception {
ObjectName[] serverRT = getServerRuntimes();
for (int k = 0; k < serverRT.length; k++) {
ObjectName[] appRT = (ObjectName[]) connection.getAttribute(serverRT[k], "ApplicationRuntimes");
int length = appRT.length;
for (int i = 0; i < length; i++) {
String appName = (String) connection.getAttribute(appRT, "Name");
ObjectName[] compRT = (ObjectName[]) connection.getAttribute(appRT, "ComponentRuntimes");
for (int j = 0; j < compRT.length; j++) {
int appState = ((Integer) connection.getAttribute(compRT[j], "DeploymentState")).intValue();
String type = (String) connection.getAttribute(compRT[j], "Type");
System.out.println(k + "|" + j + "|Server name: " + appName + ".    Server type: " + type
+ "   Server state: " + appState);
}
}
}
}
public void printJMS() throws Exception {
ObjectName[] serverRT = getServerRuntimes();
ObjectName JMSRT = (ObjectName) connection.getAttribute(serverRT[0], "JMSRuntime");
ObjectName[] JMSServers = (ObjectName[]) connection.getAttribute(JMSRT, "JMSServers");
int JMSServer_Length = (int) JMSServers.length;
for (int x = 0; x < JMSServer_Length; x++) {
String JMSServer_name = (String) connection.getAttribute(JMSServers[x], "Name");
ObjectName[] JMSDests = (ObjectName[]) connection.getAttribute(JMSServers[x], "Destinations");
int JMSdest_Length = (int) JMSDests.length;
for (int y = 0; y < JMSdest_Length; y++) {
String queue_name = (String) connection.getAttribute(JMSDests[y], "Name");
long pendingmcount = (Long) connection.getAttribute(JMSDests[y], "MessagesPendingCount");
long currentcount = (Long) connection.getAttribute(JMSDests[y], "MessagesCurrentCount");
System.out.println(y + "|jms server name: " + JMSServer_name + "  jms name: " + queue_name
+ "   pending: " + pendingmcount + "   current: " + currentcount);
} //for y
} //for  x
}
public static void main(String[] args) throws Exception {
String hostname = "127.0.0.1";
String portString = "8001";
String username = "weblogic";
String password = "weblogic";
PrintServerState s = new PrintServerState();
initConnection(hostname, portString, username, password);
s.printNameAndState();
s.printAppNameAndState();
s.printJMS();
connector.close();
}
}
 　　更详细的内容，可以查看weblogic相关文档http://download.oracle.com/docs/cd/E13222_01/wls/docs90/wlsmbeanref/core/index.html