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From "Ralf Ebert (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2360) ClassCastException: DetachedValueStateManager cannot be cast to StateManagerImpl
Date Tue, 02 Jul 2013 14:19:22 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13697822#comment-13697822
] 

Ralf Ebert commented on OPENJPA-2360:
-------------------------------------

I'm currently constructing a unitary test derived of my project.

During that process I noticed that my error vanishes if I remove the @OrderColumn-Line in
the following part of my mapping:

public class Folder {
[.......]
@OneToMany(mappedBy = "parentFolder", fetch = FetchType.LAZY)
@OrderColumn(name = "testCaseOrderIndex")
private List<TestCase> testCases = new ArrayList<TestCase>();
[.......]
}

So somehow OpenJPA has a problem with that @OrderColumn-Annotation. I hope this helps in finding
the problem.
                
> ClassCastException: DetachedValueStateManager cannot be cast to StateManagerImpl
> --------------------------------------------------------------------------------
>
>                 Key: OPENJPA-2360
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2360
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc, kernel
>    Affects Versions: 2.2.1
>            Reporter: Guillaume Chauvet
>            Priority: Blocker
>         Attachments: OPENJPA-2360.patch, OPENJPA-2360_UT.zip
>
>
> The corresponding stacktrace :
> ==========================================
> Caused by: <openjpa-2.2.2-QFD-r422266:1446687M nonfatal general error> org.apache.openjpa.persistence.PersistenceException:
org.apache.openjpa.kernel.DetachedValueStateManager cannot be cast to org.apache.openjpa.kernel.StateManagerImpl
> 	at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:2002)
> 	at org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:81)
> 	at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1518)
> 	at org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:933)
> 	at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:570)
> 	... 39 more
> Caused by: java.lang.ClassCastException: org.apache.openjpa.kernel.DetachedValueStateManager
cannot be cast to org.apache.openjpa.kernel.StateManagerImpl
> 	at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushAndUpdate(PreparedStatementManagerImpl.java:134)
> 	at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushAndUpdate(BatchingPreparedStatementManagerImpl.java:79)
> 	at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushInternal(PreparedStatementManagerImpl.java:100)
> 	at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flush(PreparedStatementManagerImpl.java:88)
> 	at org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager.flush(ConstraintUpdateManager.java:550)
> 	at org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager.flush(ConstraintUpdateManager.java:107)
> 	at org.apache.openjpa.jdbc.kernel.BatchingConstraintUpdateManager.flush(BatchingConstraintUpdateManager.java:59)
> 	at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:105)
> 	at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:78)
> 	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStoreManager.java:732)
> 	at org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManager.java:131)
> 	at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2178)
> 	at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:2076)
> 	at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1994)
> 	... 43 more

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