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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-416) Unclear exception if an unknown external value is used
Date Wed, 24 Oct 2007 18:08:50 GMT
Unclear exception if an unknown external value is used
------------------------------------------------------

                 Key: OPENJPA-416
                 URL: https://issues.apache.org/jira/browse/OPENJPA-416
             Project: OpenJPA
          Issue Type: Bug
    Affects Versions: 1.0.0, 0.9.7, 0.9.6
            Reporter: Michael Dick
            Priority: Minor
             Fix For: 1.0.1, 1.1.0


If you have specified ExternalValues for a field in an entity the transaction will be rolledback,
but the root exception doesn't provide any information on what went wrong. 

Here's an example : 

<openjpa-1.1.0-SNAPSHOT-r420667:587896M fatal store error> org.apache.openjpa.persistence.RollbackException:
null
	at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:469)
	at mdd.tests.TestExternalValues.testUnrecognizedExternalValue(TestExternalValues.java:40)
<snip>
Caused by: <openjpa-1.1.0-SNAPSHOT-r420667:587896M nonfatal general error> org.apache.openjpa.persistence.PersistenceException:
null
	at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1778)
<snip>
	... 19 more
Caused by: java.lang.NullPointerException
	at org.apache.openjpa.kernel.StateManagerImpl.fetchInt(StateManagerImpl.java:2168)
	at org.apache.openjpa.jdbc.meta.strats.PrimitiveFieldStrategy.update(PrimitiveFieldStrategy.java:157)
<snip>
	... 23 more

The exception should be made more meaningful. 

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