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https://issues.apache.org/jira/browse/OOZIE-971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442689#comment-13442689
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Mona Chitnis commented on OOZIE-971:
------------------------------------
Is there a difference between the following approaches with the EntityManager
in terms of flushing and updating invalid cache?
1. Getting an object reference to an entity via em.merge and performing
em.remove on it
2. Getting the object via em.find and performing remove
> TestRecoveryService failing very often in pre-commit builds
> -----------------------------------------------------------
>
> Key: OOZIE-971
> URL: https://issues.apache.org/jira/browse/OOZIE-971
> Project: Oozie
> Issue Type: Bug
> Reporter: Virag Kothari
>
> The SuspendX Command in 'testCoordActionRecoveryServiceForSuspended' fails
> with the JPA error 'This may mean that you deleted the instance in a separate
> transaction, but this context still has a cached version.'
> The below exception thrown in almost every pre-commit build from last couple
> of days
> {code}
> 04:11:13,322 ERROR SuspendXCommand:536 - USER[test] GROUP[-] TOKEN[testToken]
> APP[testApp] JOB[0000002-120827041103168-oozie-jenk-W] ACTION[-] XException,
> org.apache.oozie.command.CommandException: E0603: SQL error in operation
> [<openjpa-2.1.0-r422266:1071316 nonfatal store error>
> org.apache.openjpa.persistence.EntityNotFoundException: The instance of type
> "class org.apache.oozie.WorkflowJobBean" with oid
> "0000000-120827035717784-oozie-jenk-W" no longer exists in the data store.
> This may mean that you deleted the instance in a separate transaction, but
> this context still has a cached version.
> FailedObject:
> org.apache.oozie.WorkflowJobBean-0000000-120827035717784-oozie-jenk-W], {1}
> at
> org.apache.oozie.command.wf.SuspendXCommand.execute(SuspendXCommand.java:73)
> at
> org.apache.oozie.command.wf.SuspendXCommand.execute(SuspendXCommand.java:45)
> at org.apache.oozie.command.XCommand.call(XCommand.java:277)
> at
> org.apache.oozie.command.XCommand.executeInterrupts(XCommand.java:344)
> at org.apache.oozie.command.XCommand.call(XCommand.java:260)
> at
> org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:175)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: org.apache.oozie.executor.jpa.JPAExecutorException: E0603: SQL
> error in operation [<openjpa-2.1.0-r422266:1071316 nonfatal store error>
> org.apache.openjpa.persistence.EntityNotFoundException: The instance of type
> "class org.apache.oozie.WorkflowJobBean" with oid
> "0000000-120827035717784-oozie-jenk-W" no longer exists in the data store.
> This may mean that you deleted the instance in a separate transaction, but
> this context still has a cached version.
> FailedObject:
> org.apache.oozie.WorkflowJobBean-0000000-120827035717784-oozie-jenk-W], {1}
> at
> org.apache.oozie.executor.jpa.BulkUpdateInsertJPAExecutor.execute(BulkUpdateInsertJPAExecutor.java:98)
> at
> org.apache.oozie.executor.jpa.BulkUpdateInsertJPAExecutor.execute(BulkUpdateInsertJPAExecutor.java:32)
> at org.apache.oozie.service.JPAService.execute(JPAService.java:211)
> at
> org.apache.oozie.command.wf.SuspendXCommand.execute(SuspendXCommand.java:66)
> ... 8 more
> Caused by: <openjpa-2.1.0-r422266:1071316 nonfatal store error>
> org.apache.openjpa.persistence.EntityNotFoundException: The instance of type
> "class org.apache.oozie.WorkflowJobBean" with oid
> "0000000-120827035717784-oozie-jenk-W" no longer exists in the data store.
> This may mean that you deleted the instance in a separate transaction, but
> this context still has a cached version.
> FailedObject:
> org.apache.oozie.WorkflowJobBean-0000000-120827035717784-oozie-jenk-W
> at
> org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3062)
> at
> org.apache.openjpa.kernel.DetachedStateManager.attach(DetachedStateManager.java:163)
> at
> org.apache.openjpa.kernel.AttachManager.attach(AttachManager.java:251)
> at
> org.apache.openjpa.kernel.AttachManager.attach(AttachManager.java:104)
> at org.apache.openjpa.kernel.BrokerImpl.attach(BrokerImpl.java:3429)
> at
> org.apache.openjpa.kernel.DelegatingBroker.attach(DelegatingBroker.java:1206)
> at
> org.apache.openjpa.persistence.EntityManagerImpl.merge(EntityManagerImpl.java:869)
> at
> org.apache.oozie.executor.jpa.BulkUpdateInsertJPAExecutor.execute(BulkUpdateInsertJPAExecutor.java:92)
> ... 11 more
> {code}
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