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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-625) Error when removing embeddable entities from a persistent collection
Date Thu, 31 Jul 2008 20:32:31 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Dick updated OPENJPA-625:
---------------------------------

    Fix Version/s: 1.2.0

> Error when removing embeddable entities from a persistent collection
> --------------------------------------------------------------------
>
>                 Key: OPENJPA-625
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-625
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 1.1.0
>         Environment: OpenJPA 1.1.0
> Java 6
> MySQL 5
> Extended Persistence Context
> DataCache enabled
>            Reporter: Matthias Seidel
>            Assignee: Pinaki Poddar
>             Fix For: 1.2.0
>
>
> Say you have an EntityA which is annotated as @Embeddable and an EntityB which contains
a mapping like
> @PersistentCollection(elementEmbedded = true, elementType = EntityA.class, fetch = FetchType.LAZY)
> private List<EntityA> list;
> Now if you remove an entry from the list of a persistent EntityB and commit the transaction
it leads to the following exception:
> Caused by: <openjpa-1.1.0-runknown fatal user error> org.apache.openjpa.persistence.ArgumentException:
Could not locate metadata for the class using oid "org.apache.openjpa.datacache.DataCachePCDataImpl@8c248cb"
of type "class org.apache.openjpa.datacache.DataCachePCDataImpl".  
> FailedObject: org.apache.openjpa.datacache.DataCachePCDataImpl@8c248cb
>         at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:1025)
>         at org.apache.openjpa.kernel.BrokerImpl.newStateManagerImpl(BrokerImpl.java:1176)
>         at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:964)
>         at org.apache.openjpa.kernel.BrokerImpl.findAll(BrokerImpl.java:913)
>         at org.apache.openjpa.kernel.AbstractPCData.toRelationFields(AbstractPCData.java:217)
>         at org.apache.openjpa.kernel.AbstractPCData.toNestedFields(AbstractPCData.java:184)
>         at org.apache.openjpa.kernel.AbstractPCData.toField(AbstractPCData.java:78)
>         at org.apache.openjpa.kernel.PCDataImpl.loadField(PCDataImpl.java:197)
>         at org.apache.openjpa.kernel.PCDataImpl.load(PCDataImpl.java:167)
>         at org.apache.openjpa.datacache.DataCacheStoreManager.load(DataCacheStoreManager.java:383)
>         at org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:116)
>         at org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
>         at org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:2911)
>         at org.apache.openjpa.kernel.StateManagerImpl.loadField(StateManagerImpl.java:2989)
>         at org.apache.openjpa.kernel.StateManagerImpl.fetchObjectField(StateManagerImpl.java:2238)
>         at org.apache.openjpa.kernel.StateManagerImpl.fetchField(StateManagerImpl.java:775)
>         at org.apache.openjpa.kernel.StateManagerImpl.cascadeDelete(StateManagerImpl.java:2860)
>         at org.apache.openjpa.kernel.BrokerImpl.deleteDeref(BrokerImpl.java:2117)
>         at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:1955)
>         at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:1905)
>         at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1823)
>         at org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:81)
>         at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1347)
>         at org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:877)
>         at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:512)
>         ... 12 more
> After some digging I think I found the cause in the AbstractPCData.toNestedFields method:
> case JavaTypes.PC:
>      if (vmd.isEmbedded())
>         for (Iterator itr = data.iterator(); itr.hasNext();)
>              ret.add(toEmbeddedField(sm, vmd, itr.next(), fetch, context));
> // no break
> should probably be:
> case JavaTypes.PC:
>     if (vmd.isEmbedded()) {
>          for (Iterator itr = data.iterator(); itr.hasNext();)
>               ret.add(toEmbeddedField(sm, vmd, itr.next(), fetch, context));
>          return ret;
>     }
> // no break
> At least it worked for me this way.

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