weblogic启动报错

[小猪没有阴天_]

weblogic.application.ModuleException: [HTTP:101163]Could not load user defined l
istener: org.listener.OnlineSessionListener
java.lang.ClassCastException: org.listener.OnlineSessionListener cannot be cast
to java.util.EventListener
at weblogic.servlet.internal.WebComponentContributor.createListenerInsta
nce(WebComponentContributor.java:265)
at weblogic.servlet.internal.EventsManager.registerEventListener(EventsM
anager.java:372)
at weblogic.servlet.internal.EventsManager.registerEventListeners(Events
Manager.java:125)
at weblogic.servlet.internal.EventsManager.registerEventListeners(Events
Manager.java:75)
at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAp
pServletContext.java:1866)
at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletCon
text.java:3154)
at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.jav
a:1518)
at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:484)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleSta
teDriver.java:425)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineD
river.java:52)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStat
eDriver.java:119)
at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedMod
uleDriver.java:200)
at weblogic.application.internal.flow.ModuleListenerInvoker.start(Module
ListenerInvoker.java:247)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleSta
teDriver.java:425)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineD
river.java:52)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStat
eDriver.java:119)
at weblogic.application.internal.flow.StartModulesFlow.activate(StartMod
ulesFlow.java:27)
at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.ja
va:671)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineD
river.java:52)
at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.
java:212)
at weblogic.application.internal.SingleModuleDeployment.activate(SingleM
oduleDeployment.java:44)
at weblogic.application.internal.DeploymentStateChecker.activate(Deploym
entStateChecker.java:161)
at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(Ap
pContainerInvoker.java:79)
at weblogic.deploy.internal.targetserver.operations.AbstractOperation.ac
tivate(AbstractOperation.java:569)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.ac
tivateDeployment(ActivateOperation.java:150)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.do
Commit(ActivateOperation.java:116)
at weblogic.deploy.internal.targetserver.operations.StartOperation.doCom
mit(StartOperation.java:149)
at weblogic.deploy.internal.targetserver.operations.AbstractOperation.co
mmit(AbstractOperation.java:323)
at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploym
entCommit(DeploymentManager.java:844)
at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeplo
ymentList(DeploymentManager.java:1253)
at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(
DeploymentManager.java:440)
at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.com
mit(DeploymentServiceDispatcher.java:163)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallb
ackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallb
ackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallb
ackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:68)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTunin
gWorkManagerImpl.java:545)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.jav
a:1520)
at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:484)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleSta
teDriver.java:425)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineD
river.java:52)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStat
eDriver.java:119)
Truncated. see log file for complete stacktrace
Caused By: java.lang.ClassCastException: org.listener.OnlineSessionListener cann
ot be cast to java.util.EventListener
at weblogic.servlet.internal.WebComponentContributor.createListenerInsta
nce(WebComponentContributor.java:265)
at weblogic.servlet.internal.EventsManager.registerEventListener(EventsM
anager.java:372)
at weblogic.servlet.internal.EventsManager.registerEventListeners(Events
Manager.java:125)
at weblogic.servlet.internal.EventsManager.registerEventListeners(Events
Manager.java:75)
at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAp
pServletContext.java:1866)
Truncated. see log file for complete stacktrace
>