Hi,
We ported a BC4J / Struts application from 10G to 11G. During development, we runinto this exception "oracle.mds.exception.MDSRuntimeException: MDS-00168: MDS object oracle.mds.core.MDSInstance@b712a1 is being used after it or its MDSInstance or PManager has been released."
This happens only when we redeploy the app (re run from jdeveloper which deploys again)
We need to undeploy the app, shutdown the weblogic server and start fresh everything is fine until we recompile and redeploy.
I want to understand what actually is the error message and why is it happening. Since I am in a migration project, the exiting code base is so huge to understand and figure out. Any inputs are greately apperciated.
oracle.jbo.PersistenceException: JBO-26000: A Generic exception occurred during loading Customizations.
at oracle.jbo.mom.MOMParserMDS.parse(MOMParserMDS.java:252)
at oracle.jbo.mom.MOMParserNonMDS.readAndParse(MOMParserNonMDS.java:71)
at oracle.jbo.mom.DefinitionContextStandard.readAndParse(DefinitionContextStandard.java:237)
at oracle.jbo.mom.DefinitionManager.loadDefElement(DefinitionManager.java:1167)
at oracle.jbo.mom.DefinitionManager.loadLazyDefinitionObject(DefinitionManager.java:943)
at oracle.jbo.mom.DefinitionManager.loadParent(DefinitionManager.java:1224)
at oracle.jbo.mom.DefinitionManager.loadLazyDefinitionObject(DefinitionManager.java:929)
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:485)
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:417)
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:399)
at oracle.jbo.server.MetaObjectManager.findMetaObject(MetaObjectManager.java:750)
at oracle.jbo.server.ApplicationModuleDefImpl.findDefObject(ApplicationModuleDefImpl.java:279)
at oracle.jbo.server.ApplicationModuleImpl.createRootApplicationModule(ApplicationModuleImpl.java:420)
at oracle.jbo.server.ApplicationModuleHomeImpl.create(ApplicationModuleHomeImpl.java:87)
at oracle.jbo.common.ampool.DefaultConnectionStrategy.createApplicationModule(DefaultConnectionStrategy.java:158)
at oracle.jbo.common.ampool.DefaultConnectionStrategy.createApplicationModule(DefaultConnectionStrategy.java:73)
at oracle.jbo.common.ampool.ApplicationPoolImpl.instantiateResource(ApplicationPoolImpl.java:2751)
at oracle.jbo.pool.ResourcePool.createResource(ResourcePool.java:589)
at oracle.jbo.common.ampool.ApplicationPoolImpl.prepareApplicationModule(ApplicationPoolImpl.java:2321)
at oracle.jbo.common.ampool.ApplicationPoolImpl.doCheckout(ApplicationPoolImpl.java:2201)
at oracle.jbo.common.ampool.ApplicationPoolImpl.useApplicationModule(ApplicationPoolImpl.java:3085)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:460)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:431)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:426)
at org.conpany.project.provider.ApplicationModuleProvider.getService(ApplicationModuleProvider.java:80)
at org.conpany.project.service.ServiceFactory.getService(ServiceFactory.java:101)
at org.conpany.project.web.listener.LoadCodeDataListener.contextInitialized(LoadCodeDataListener.java:73)
at weblogic.servlet.internal.EventsManager$FireContextListenerAction.run(EventsManager.java:481)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.EventsManager.notifyContextCreatedEvent(EventsManager.java:181)
at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1799)
at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3041)
at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1374)
at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:452)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:204)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:60)
at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:200)
at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:117)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:204)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:60)
at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:27)
at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:629)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:206)
at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:53)
at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161)
at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79)
at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:140)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:106)
at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323)
at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844)
at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1253)
at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440)
at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:163)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:181)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:12)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:67)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:516)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: oracle.mds.exception.MDSRuntimeException: MDS-00168: MDS object oracle.mds.core.MDSInstance@b712a1 is being used after it or its MDSInstance or PManager has been released.
at oracle.mds.core.MDSInstance.checkNotReleased(MDSInstance.java:1040)
at oracle.mds.core.MDSInstance.getPersistenceManager(MDSInstance.java:605)
at oracle.mds.core.MDSSession.getPersistenceManager(MDSSession.java:1915)
at oracle.mds.core.MDSSession.getBaseMO(MDSSession.java:2627)
at oracle.mds.core.MDSSession.getMetadataObject(MDSSession.java:1144)
at oracle.mds.core.MDSSession.getMetadataObject(MDSSession.java:1095)
at oracle.jbo.mom.MOMParserMDS.parse(MOMParserMDS.java:191)
... 63 more
## Detail 0 ##
oracle.mds.exception.MDSRuntimeException: MDS-00168: MDS object oracle.mds.core.MDSInstance@b712a1 is being used after it or its MDSInstance or PManager has been released.
at oracle.mds.core.MDSInstance.checkNotReleased(MDSInstance.java:1040)
at oracle.mds.core.MDSInstance.getPersistenceManager(MDSInstance.java:605)
at oracle.mds.core.MDSSession.getPersistenceManager(MDSSession.java:1915)
at oracle.mds.core.MDSSession.getBaseMO(MDSSession.java:2627)
at oracle.mds.core.MDSSession.getMetadataObject(MDSSession.java:1144)
at oracle.mds.core.MDSSession.getMetadataObject(MDSSession.java:1095)
at oracle.jbo.mom.MOMParserMDS.parse(MOMParserMDS.java:191)
at oracle.jbo.mom.MOMParserNonMDS.readAndParse(MOMParserNonMDS.java:71)
at oracle.jbo.mom.DefinitionContextStandard.readAndParse(DefinitionContextStandard.java:237)
at oracle.jbo.mom.DefinitionManager.loadDefElement(DefinitionManager.java:1167)
at oracle.jbo.mom.DefinitionManager.loadLazyDefinitionObject(DefinitionManager.java:943)
at oracle.jbo.mom.DefinitionManager.loadParent(DefinitionManager.java:1224)
at oracle.jbo.mom.DefinitionManager.loadLazyDefinitionObject(DefinitionManager.java:929)
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:485)
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:417)
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:399)
at oracle.jbo.server.MetaObjectManager.findMetaObject(MetaObjectManager.java:750)
at oracle.jbo.server.ApplicationModuleDefImpl.findDefObject(ApplicationModuleDefImpl.java:279)
at oracle.jbo.server.ApplicationModuleImpl.createRootApplicationModule(ApplicationModuleImpl.java:420)
at oracle.jbo.server.ApplicationModuleHomeImpl.create(ApplicationModuleHomeImpl.java:87)
at oracle.jbo.common.ampool.DefaultConnectionStrategy.createApplicationModule(DefaultConnectionStrategy.java:158)
at oracle.jbo.common.ampool.DefaultConnectionStrategy.createApplicationModule(DefaultConnectionStrategy.java:73)
at oracle.jbo.common.ampool.ApplicationPoolImpl.instantiateResource(ApplicationPoolImpl.java:2751)
at oracle.jbo.pool.ResourcePool.createResource(ResourcePool.java:589)
at oracle.jbo.common.ampool.ApplicationPoolImpl.prepareApplicationModule(ApplicationPoolImpl.java:2321)
at oracle.jbo.common.ampool.ApplicationPoolImpl.doCheckout(ApplicationPoolImpl.java:2201)
at oracle.jbo.common.ampool.ApplicationPoolImpl.useApplicationModule(ApplicationPoolImpl.java:3085)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:460)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:431)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:426)
at org.conpany.project.provider.ApplicationModuleProvider.getService(ApplicationModuleProvider.java:80)
at org.conpany.project.service.ServiceFactory.getService(ServiceFactory.java:101)
at org.conpany.project.web.listener.LoadCodeDataListener.contextInitialized(LoadCodeDataListener.java:73)
at weblogic.servlet.internal.EventsManager$FireContextListenerAction.run(EventsManager.java:481)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.EventsManager.notifyContextCreatedEvent(EventsManager.java:181)
at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1799)
at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3041)
at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1374)
at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:452)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:204)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:60)
at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:200)
at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:117)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:204)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:60)
at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:27)
at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:629)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:206)
at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:53)
at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161)
at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79)
at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:140)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:106)
at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323)
at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844)
at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1253)
at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440)
at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:163)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:181)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:12)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:67)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:516)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Run startup time: 47421 ms.
thanks
Arun