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java.lang.NullPointerException: 	at javax.management.remote.rmi.RMIConnector.connect(Unknown Source)	at javax.management.remote.JMXConnectorFactory.connect(Unknown Source)	at com.bea.console.utils.MBeanUtils.lookupMBeanServerConnection(MBeanUtils.java:3209)	at com.bea.console.utils.MBeanUtils.getDomainRuntimeMBeanServerConnection(MBeanUtils.java:1623)	at com.bea.console.utils.MBeanUtils.getDomainRuntimeServiceMBean(MBeanUtils.java:1699)	at com.bea.console.utils.MBeanUtilsInitializer.initMBeanUtils(MBeanUtilsInitializer.java:70)	at com.bea.console.utils.MBeanUtilsInitializer.access$000(MBeanUtilsInitializer.java:20)	at com.bea.console.utils.MBeanUtilsInitializer$1.run(MBeanUtilsInitializer.java:49)	at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:516)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)