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Re: [eclipselink-users] StackOverflow in EclipseLink as shipped with Glassfish 3.1b21
I am not aware of a specific issue with CascadeType.REFRESH that could cause the issue, but if there were a bug, that would be a candidate-area for where it could occur. It might be worth trying to remove that setting somewhere in the cycle and see the that helps. 

Laird Nelson wrote:
Would a CascadeType.REFRESH also have something to do with it? On Thu, Oct 7, 2010 at 9:55 AM, Laird Nelson <ljnelson@xxxxxxxxx <mailto: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
    <mailto: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>
            <mailto: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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