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From "Michael Vorburger (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-602) NullPointerException at org.apache.openjpa.jdbc.meta.strats.RelationToManyInverseKeyFieldStrategy.map
Date Wed, 14 May 2008 09:51:55 GMT
NullPointerException at org.apache.openjpa.jdbc.meta.strats.RelationToManyInverseKeyFieldStrategy.map
-----------------------------------------------------------------------------------------------------

                 Key: OPENJPA-602
                 URL: https://issues.apache.org/jira/browse/OPENJPA-602
             Project: OpenJPA
          Issue Type: Bug
          Components: jdbc
    Affects Versions: 1.1.0
            Reporter: Michael Vorburger
            Priority: Minor


The example I'll attach crashes with an NPE when running the mappingtool.

Caused by: java.lang.NullPointerException
	at org.apache.openjpa.jdbc.meta.strats.RelationToManyInverseKeyFieldStrategy.map(RelationToManyInverseKeyFieldStrategy.java:136)
	at org.apache.openjpa.jdbc.meta.strats.RelationCollectionInverseKeyFieldStrategy.map(RelationCollectionInverseKeyFieldStrategy.java:95)
	at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:120)
	at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
	at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:438)
	at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:403)
	at org.apache.openjpa.jdbc.meta.ClassMapping.resolveMapping(ClassMapping.java:812)

The goal of this JIRA is not (neccessarily) to support the kind of mapping that would be required
for this (which may be hard), but to at least print a clear error and not an NPE...


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