2
配置:具有兩個節點#1和#2的WLS羣集(10.3)。一個可遷移的JMSServer目前在#1上可用。一個可遷移的JMSQueue。在羣集環境中通過JMX訪問JMSQueue
問題: 某些EJB正在使用timeToDeliever設置爲60秒的消息填充JSMQueue。 (在60秒內不可見),另一個EJB將使用JMX在可見之前獲取該消息(不可見)。如果這個其他EJB在#2上執行,它將無法找到JMSServer,因此不會彈出消息。代碼工作在非羣集環境優良:
public class PurgeWLSQueue {
private static final String WLS_USERNAME = "weblogic";
private static final String WLS_PASSWORD = "weblogic";
private static final String WLS_HOST = "localhost";
private static final int WLS_PORT = 7001;
private static final String JMS_SERVER = "wlsbJMSServer";
private static final String JMS_DESTINATION = "test.q";
private static JMXConnector getMBeanServerConnector(String jndiName) throws Exception {
Hashtable h = new Hashtable();
JMXServiceURL serviceURL = new JMXServiceURL("t3", WLS_HOST, WLS_PORT, jndiName);
h.put(Context.SECURITY_PRINCIPAL, WLS_USERNAME);
h.put(Context.SECURITY_CREDENTIALS, WLS_PASSWORD);
h.put(JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES, "weblogic.management.remote");
JMXConnector connector = JMXConnectorFactory.connect(serviceURL, h);
return connector;
}
public static void main(String[] args) {
try {
JMXConnector connector =
getMBeanServerConnector("/jndi/"+RuntimeServiceMBean.MBEANSERVER_JNDI_NAME);
MBeanServerConnection mbeanServerConnection =
connector.getMBeanServerConnection();
ObjectName service = new ObjectName("com.bea:Name=RuntimeService,Type=weblogic.management.mbeanservers.runtime.RuntimeServiceMBean");
ObjectName serverRuntime = (ObjectName) mbeanServerConnection.getAttribute(service, "ServerRuntime");
ObjectName jmsRuntime = (ObjectName) mbeanServerConnection.getAttribute(serverRuntime, "JMSRuntime");
ObjectName[] jmsServers = (ObjectName[]) mbeanServerConnection.getAttribute(jmsRuntime, "JMSServers");
for (ObjectName jmsServer: jmsServers) {
if (JMS_SERVER.equals(jmsServer.getKeyProperty("Name"))) {
ObjectName[] destinations = (ObjectName[]) mbeanServerConnection.getAttribute(jmsServer, "Destinations");
for (ObjectName destination: destinations) {
if (destination.getKeyProperty("Name").endsWith("!"+JMS_DESTINATION)) {
Object o = mbeanServerConnection.invoke(
destination,
"deleteMessages",
new Object[] {""}, // selector expression
new String[] {"java.lang.String"});
System.out.println("Result: "+o);
break;
}
}
break;
}
}
connector.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
(此代碼是從米克洛什Csuka借這個論壇)
是否有上獲取任何其他方式,如果沒有指定JMSServer,即消息可我直接解決JMSQueue?任何其他想法?