Re: [eclipselink-users] StackOverflow in EclipseLink as shipped with Gla

[Laird Nelson <ljnelson@xxxxxxxxx>]

Would a CascadeType.REFRESH also have something to do with it?

On Thu, Oct 7, 2010 at 9:55 AM, Laird Nelson <ljnelson@xxxxxxxxx> wrote:

Right, and I'm not disabling the cache.

Still working on it.  Can't seem to reproduce it at the moment....

Best,
Laird

On Thu, Oct 7, 2010 at 9:53 AM, Tom Ware <tom.ware@xxxxxxxxxx> wrote:

The only pilot error that I can think of that could cause this is completely disabling our cache combined with strings of EAGER relationships.

Laird Nelson wrote:

Yeah, I have a few of those.  Even so, I shouldn't be able to cause this through pilot error, I wouldn't think.

L

On Thu, Oct 7, 2010 at 9:38 AM, Tom Ware <tom.ware@xxxxxxxxxx <mailto:tom.ware@xxxxxxxxxx>> wrote:

   Hi Laird,

    I'll be interested in seeing what the issue is.

    From what you've posted, I see a sequence of EAGER relationships.
    That's where I'd start in looking for the issue.

   -Tom

   Laird Nelson wrote:

       I have not yet found the root cause, but thought this would be
       useful anyhow.  I'm getting a stack trace from EclipseLink that
       indicates it is caught in an infinite loop.

       Here is a portion of it:

       Caused by: java.lang.StackOverflowError
          at
       org.eclipse.persistence.internal.sessions.AbstractSession.getDescriptor(AbstractSession.java:1778)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.registerExistingObject(UnitOfWorkImpl.java:3888)
          at
       org.eclipse.persistence.mappings.ObjectReferenceMapping.buildCloneForPartObject(ObjectReferenceMapping.java:67)
          at
       org.eclipse.persistence.internal.indirection.NoIndirectionPolicy.cloneAttribute(NoIndirectionPolicy.java:72)
          at
       org.eclipse.persistence.mappings.ForeignReferenceMapping.buildClone(ForeignReferenceMapping.java:181)
          at
       org.eclipse.persistence.internal.descriptors.ObjectBuilder.populateAttributesForClone(ObjectBuilder.java:3153)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.populateAndRegisterObject(UnitOfWorkImpl.java:3694)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.cloneAndRegisterObject(UnitOfWorkImpl.java:1005)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.cloneAndRegisterObject(UnitOfWorkImpl.java:914)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.registerExistingObject(UnitOfWorkImpl.java:3948)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.registerExistingObject(UnitOfWorkImpl.java:3898)
          at
       org.eclipse.persistence.mappings.ObjectReferenceMapping.buildCloneForPartObject(ObjectReferenceMapping.java:67)
          at
       org.eclipse.persistence.internal.indirection.NoIndirectionPolicy.cloneAttribute(NoIndirectionPolicy.java:72)
          at
       org.eclipse.persistence.mappings.ForeignReferenceMapping.buildClone(ForeignReferenceMapping.java:181)
          at
       org.eclipse.persistence.internal.descriptors.ObjectBuilder.populateAttributesForClone(ObjectBuilder.java:3153)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.populateAndRegisterObject(UnitOfWorkImpl.java:3694)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.cloneAndRegisterObject(UnitOfWorkImpl.java:1005)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.cloneAndRegisterObject(UnitOfWorkImpl.java:914)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.registerExistingObject(UnitOfWorkImpl.java:3948)
          at
       org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.registerExistingObject(UnitOfWorkImpl.java:3898)
          at
       org.eclipse.persistence.mappings.CollectionMapping.buildElementClone(CollectionMapping.java:243)
          at
       org.eclipse.persistence.internal.queries.ContainerPolicy.addNextValueFromIteratorInto(ContainerPolicy.java:209)
          at
       org.eclipse.persistence.mappings.CollectionMapping.buildCloneForPartObject(CollectionMapping.java:195)
          at
       org.eclipse.persistence.internal.indirection.NoIndirectionPolicy.cloneAttribute(NoIndirectionPolicy.java:72)
          at
       org.eclipse.persistence.mappings.ForeignReferenceMapping.buildClone(ForeignReferenceMapping.java:181)

       As I work to find out more, I'll try to post a test case.

       Thanks,
       Laird


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