| Re: [eclipselink-users] Problem with merge and commit |
|
Looks like Bug 241322 - JPA
Collection mapping assumes clone is implemented/supported https://bugs.eclipse.org/bugs/show_bug.cgi?id=241322 which you can vote for. There is a workaround posted if you must use a collection type that does not support clone. Best Regards, Chris On 15/06/2010 11:41 AM, zlaja wrote: I sometimes get this stack trace during EntityManager merge or transaction commit : Local Exception Stack: Exception [EclipseLink-6055] (Eclipse Persistence Services - 1.0.1 (Build 20080905)): org.eclipse.persistence.exceptions.QueryException Exception Description: The method invocation of the method [protected native java.lang.Object java.lang.Object.clone() throws java.lang.CloneNotSupportedException] on the object [[com.incrementum.mat.entity.MatConn@21]], of class [class java.util.Collections$SynchronizedRandomAccessList], triggered an exception. Internal Exception: java.lang.reflect.InvocationTargetException Target Invocation Exception: java.lang.CloneNotSupportedException: java.util.Collections$SynchronizedRandomAccessList at org.eclipse.persistence.exceptions.QueryException.methodInvocationFailed(QueryException.java:762) at org.eclipse.persistence.internal.queries.InterfaceContainerPolicy.invokeCloneMethodOn(InterfaceContainerPolicy.java:208) at org.eclipse.persistence.internal.queries.InterfaceContainerPolicy.cloneFor(InterfaceContainerPolicy.java:92) at org.eclipse.persistence.mappings.CollectionMapping.buildCloneForPartObject(CollectionMapping.java:159) at org.eclipse.persistence.internal.indirection.TransparentIndirectionPolicy.cloneAttribute(TransparentIndirectionPolicy.java:132) at org.eclipse.persistence.mappings.ForeignReferenceMapping.buildClone(ForeignReferenceMapping.java:148) at org.eclipse.persistence.internal.descriptors.ObjectBuilder.populateAttributesForClone(ObjectBuilder.java:2545) at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.cloneAndRegisterNewObject(RepeatableWriteUnitOfWork.java:437) at org.eclipse.persistence.internal.sessions.MergeManager.registerObjectForMergeCloneIntoWorkingCopy(MergeManager.java:834) at org.eclipse.persistence.internal.sessions.MergeManager.mergeChangesOfCloneIntoWorkingCopy(MergeManager.java:447) at org.eclipse.persistence.internal.sessions.MergeManager.mergeChanges(MergeManager.java:249) at org.eclipse.persistence.mappings.CollectionMapping.mergeIntoObject(CollectionMapping.java:877) at org.eclipse.persistence.internal.descriptors.ObjectBuilder.mergeIntoObject(ObjectBuilder.java:2514) at org.eclipse.persistence.internal.sessions.MergeManager.mergeChangesOfCloneIntoWorkingCopy(MergeManager.java:480) at org.eclipse.persistence.internal.sessions.MergeManager.mergeChanges(MergeManager.java:249) at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.mergeCloneWithReferences(UnitOfWorkImpl.java:3192) at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.mergeCloneWithReferences(RepeatableWriteUnitOfWork.java:257) at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.mergeCloneWithReferences(UnitOfWorkImpl.java:3156) at org.eclipse.persistence.internal.jpa.EntityManagerImpl.mergeInternal(EntityManagerImpl.java:264) at org.eclipse.persistence.internal.jpa.EntityManagerImpl.merge(EntityManagerImpl.java:242) at com.incrementum.actions.mat.ActionPreparePopis.action(ActionPreparePopis.java:37) Any idea ? Thanks Zlaja |