问JMXTrans & WebLogic

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            {
              "servers" : [ {
                    "host": "a-pfg-admin.fr.net.intra",
                    "port":9091,
                    "url": "service:jmx:iiop://a-pfg-admin.fr.net.intra:9091/jndi/weblogic.management.mbeanservers.runtime",
                    "username": "weblogic",
                    "password": "****",
                "queries" : [ {
                  "outputWriters" : [ {
                    "@class" : "com.googlecode.jmxtrans.model.output.KeyOutWriter",
                    "settings" : {
                      "outputFile" : "/tmp/jmxtrans1.txt",
                      "maxLogFileSize" : "10MB",
                      "maxLogBackupFiles" : 200,
                      "debug" : true,
                      "typeNames" : ["name"]
                    }
                  } ],
                  "obj" : "java.lang:type=Memory",
                  "resultAlias": "heap",
                  "attr" : [ "HeapMemoryUsage", "NonHeapMemoryUsage" ]
                }
                 ]
              } ]
            }

            [28 Oct 2011 16:39:54] [ServerScheduler_Worker-8] 1020012 ERROR (com.googlecode.jmxtrans.jobs.ServerJob:39) - Error
            java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file:  java.naming.factory.initial
                    at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:338)
                    at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:248)
                    at com.googlecode.jmxtrans.util.JmxUtils.getServerConnection(JmxUtils.java:413)
                    at com.googlecode.jmxtrans.util.JmxConnectionFactory.makeObject(JmxConnectionFactory.java:30)
                    at org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(GenericKeyedObjectPool.java:1212)
                    at com.googlecode.jmxtrans.jobs.ServerJob.execute(ServerJob.java:36)
                    at org.quartz.core.JobRunShell.run(JobRunShell.java:216)
                    at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)
            Caused by: javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file:  java.naming.factory.initial
                    at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:645)
                    at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:288)
                    at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:325)
                    at javax.naming.InitialContext.lookup(InitialContext.java:392)
                    at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1886)
                    at javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1856)
                    at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:257)

            WL_HOME="/apps/WebLogic/10.3.2/AppServer"
            JMXTRANS_OPTS="-Djava.class.path=${JAVA_HOME}\lib\tools.jar;${WL_HOME}/server/lib/wlfullclient.jar -Djmx.remote.protocol.provider.pkgs=weblogic.management.remote"
            export JMXTRANS_OPTS;