Hallo,

Ich bekomme die folgende Exception als ich entitymanager.merge() method anrufe fuer ein enitty Baum mit parent childs Relations. In welchen Fall ist diese Exception geworfen?


2009-04-09 10:59:59,797 ERROR [org.hibernate.AssertionFailure] an assertion failure occured (this may indicate a bug in Hibernate, but is more likely due to unsafe use of the session)

org.hibernate.AssertionFailure: cannot copy a reference to an object with a null id

at org.hibernate.type.EntityType.replace(EntityType.java:255)

at org.hibernate.type.AbstractType.replace(AbstractType.java:153)

at org.hibernate.type.TypeFactory.replaceAssociations(TypeFactory.java:564)

at org.hibernate.event.def.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:366)

at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:195)

at org.hibernate.event.def.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:240)

at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:120)

at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:687)

at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:669)

at org.hibernate.engine.CascadingAction$6.cascade(CascadingAction.java:245)

at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)

at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)

at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)

at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)

at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)

at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)

at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)

at org.hibernate.engine.Cascade.cascade(Cascade.java:130)

at org.hibernate.event.def.AbstractSaveEventListener.cascadeAfterSave(AbstractSaveEventListener.java:456)

at org.hibernate.event.def.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:194)

at org.hibernate.event.def.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:240)

at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:120)

at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:687)

at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:669)

at org.hibernate.engine.CascadingAction$6.cascade(CascadingAction.java:245)

at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)

at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)

at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)

at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)

at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)

at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)

at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)

at org.hibernate.engine.Cascade.cascade(Cascade.java:130)

at org.hibernate.event.def.DefaultMergeEventListener.cascadeOnMerge(DefaultMergeEventListener.java:407)

at org.hibernate.event.def.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:266)

at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:120)

at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:687)

at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:669)

at org.hibernate.engine.CascadingAction$6.cascade(CascadingAction.java:245)

at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)

at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)

at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)

at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)

at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)

at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)

at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)

at org.hibernate.engine.Cascade.cascade(Cascade.java:130)

at org.hibernate.event.def.DefaultMergeEventListener.cascadeOnMerge(DefaultMergeEventListener.java:407)

at org.hibernate.event.def.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:266)

at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:120)

at org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:53)

at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:677)

at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:661)

at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:665)

at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:227)

at org.jboss.ejb3.entity.ExtendedEntityManager.merge(ExtendedEntityManager.java:106)

at org.jboss.seam.persistence.EntityManagerProxy.merge(EntityManagerProxy.java:130)

at com.hitec.u2010.ds.session.DomainMgrImpl.updateDomain(DomainMgrImpl.java:246)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)

at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)

at org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)

at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)

at org.jboss.seam.persistence.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:48)

at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)

at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)

at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)

at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42)

at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)

at org.jboss.seam.persistence.EntityManagerProxyInterceptor.aroundInvoke(EntityManagerProxyInterceptor.java:26)

at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)

at org.jboss.seam.persistence.HibernateSessionProxyInterceptor.aroundInvoke(HibernateSessionProxyInterceptor.java:27)

at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)

at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)

at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:50)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)

at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.entity.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPersistenceContextPropagationInterceptor.java:71)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)

at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:83)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)

at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.stateful.StatefulContainer.localInvoke(StatefulContainer.java:206)

at org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:119)

at $Proxy122.updateDomain(Unknown Source)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)

at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)

at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:76)

at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)

at org.jboss.seam.ejb.RemoveInterceptor.aroundInvoke(RemoveInterceptor.java:41)

at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)

at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)

at org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:54)

at org.javassist.tmp.java.lang.Object_$$_javassist_2.updateDomain(Object_$$_javassist_2.java)

at com.hitec.u2010.ds.webservice.InterDirectoryServiceImpl.updateDomain(InterDirectoryServiceImpl.java:175)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)

at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)

at org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)

at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:101)

at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:50)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)

at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)

at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)

at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)

at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)

at org.jboss.wsf.container.jboss42.InvocationHandlerEJB3.invoke(InvocationHandlerEJB3.java:103)

at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:220)

at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:408)

at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:272)

at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:189)

at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:122)

at org.jboss.wsf.stack.jbws.EndpointServlet.service(EndpointServlet.java:84)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)

at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)

at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)

at java.lang.Thread.run(Unknown Source)

Kann diese Excpetion von eine faehlende Referenz zu eine Parent kommen? Ich glaube nicht, dass eine von meine entities im Baum eine null Id hat.

Thanks
J.