You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@openjpa.apache.org by "Rick Curtis (Commented) (JIRA)" <ji...@apache.org> on 2012/02/21 22:16:48 UTC
[jira] [Commented] (OPENJPA-2136) NPE when using LiteAutoDetach
[ https://issues.apache.org/jira/browse/OPENJPA-2136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13212957#comment-13212957 ]
Rick Curtis commented on OPENJPA-2136:
--------------------------------------
Committed revision 1292034 to trunk.
> NPE when using LiteAutoDetach
> ------------------------------
>
> Key: OPENJPA-2136
> URL: https://issues.apache.org/jira/browse/OPENJPA-2136
> Project: OpenJPA
> Issue Type: Bug
> Components: kernel
> Affects Versions: 2.0.0, 2.1.1, 2.2.0, 2.3.0
> Reporter: Rick Curtis
> Assignee: Rick Curtis
> Fix For: 2.3.0, 2.2.1
>
>
> I encountered a NPE[2] today when using the LiteAutoDetach[1] configuration property. The steps required to cause this problem is as follows:
> - Configure LiteAutoDetach for your PU.
> - Find a non-transactional Entity.
> - Clear the EntityManager.
> - Begin / commit transaction.
> The problem is that LiteAutoDetach doesn't properly clean up the EntityManager while it is performing lite detachment. State is left in BrokerImpl._pending set which is then incorrectly used post em.clear. It also appears that there are a number of other BrokerImpl datastructures that *should* have been cleaned up on clear / detachall.
> [1] http://openjpa.apache.org/builds/latest/docs/docbook/manual.html#ref_guide_detach_state
> [2] Caused by: <openjpa-2.2.0-SNAPSHOT-r422266:1244602 nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
> at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1998)
> at org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:81)
> at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1514)
> at org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:933)
> at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:570)
> ... 24 more
> Caused by: java.lang.NullPointerException
> at org.apache.openjpa.Customer.pcProvideField(Customer.java)
> at org.apache.openjpa.kernel.StateManagerImpl.provideField(StateManagerImpl.java:3161)
> at org.apache.openjpa.kernel.StateManagerImpl.preFlush(StateManagerImpl.java:2980)
> at org.apache.openjpa.kernel.PDirtyState.beforeFlush(PDirtyState.java:38)
> at org.apache.openjpa.kernel.StateManagerImpl.beforeFlush(StateManagerImpl.java:1053)
> at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2112)
> at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:2072)
> at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1990)
> ... 28 more
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira