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From "Donald Woods (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-1141) NPE at org.apache.openjpa.jdbc.meta.MappingInfo.mergeJoinColumn(MappingInfo.java:1400)
Date Mon, 17 Aug 2009 13:33:14 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-1141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Donald Woods updated OPENJPA-1141:
----------------------------------

    Fix Version/s: 2.0.0
                   1.3.0

> NPE  at org.apache.openjpa.jdbc.meta.MappingInfo.mergeJoinColumn(MappingInfo.java:1400)
> ---------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-1141
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1141
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 1.2.0
>            Reporter: Yann
>             Fix For: 1.2.2, 1.3.0, 2.0.0
>
>         Attachments: ddl.sql, TestMappingProblem.zip
>
>
> We have the NPE shown below in a reproducible testcase (ZIP attached to JIRA ...).
> We've reduced our complex intended target domain model (about 200+ Entities) to a simpler
model with only 3 classes which illustrate the problem: You'll find attached a test project
with a first entity which has a a OneToMany (with an ElementJoinColumns, but that shouldn't
matter?) to a second entity has a ManyToOne to a third entity. The middle entity has a Composite
ID Class including a ManyToOne as a key, which according to http://openjpa.apache.org/builds/1.2.0/apache-openjpa-1.2.0/docs/manual/ref_guide_pc_oid.html#ref_guide_pc_oid_entitypk
is supported, so this seems a bug in OpenJPA's mapping algos, somehow?
> <openjpa-1.2.1-r752877:753278 nonfatal general error> org.apache.openjpa.persistence.PersistenceException:
null
>         at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:610)
>         at org.apache.openjpa.kernel.QueryImpl.compileForExecutor(QueryImpl.java:667)
>         at org.apache.openjpa.kernel.QueryImpl.getOperation(QueryImpl.java:1492)
>         at org.apache.openjpa.kernel.DelegatingQuery.getOperation(DelegatingQuery.java:123)
>         at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:243)
>         at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:294)
>         at testcase.TestMappingProblem.doTest(TestMappingProblem.java:42)
>         at testcase.TestMappingProblem.testIt(TestMappingProblem.java:20)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at junit.framework.TestCase.runTest(TestCase.java:154)
>         at junit.framework.TestCase.runBare(TestCase.java:127)
>         at junit.framework.TestResult$1.protect(TestResult.java:106)
>         at junit.framework.TestResult.runProtected(TestResult.java:124)
>         at junit.framework.TestResult.run(TestResult.java:109)
>         at junit.framework.TestCase.run(TestCase.java:118)
>         at junit.framework.TestSuite.runTest(TestSuite.java:208)
>         at junit.framework.TestSuite.run(TestSuite.java:203)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
>         at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
>         at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
>         at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)
>         at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
> Caused by: java.lang.NullPointerException
>         at org.apache.openjpa.jdbc.meta.MappingInfo.mergeJoinColumn(MappingInfo.java:1400)
>         at org.apache.openjpa.jdbc.meta.MappingInfo.createJoins(MappingInfo.java:1206)
>         at org.apache.openjpa.jdbc.meta.MappingInfo.createForeignKey(MappingInfo.java:968)
>         at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getTypeJoin(ValueMappingInfo.java:104)
>         at org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy.map(RelationFieldStrategy.java:157)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:121)
>         at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:454)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:419)
>         at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:869)
>         at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:339)
>         at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:662)
>         at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:549)
>         at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:308)
>         at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:363)
>         at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getClassMetaData(JPQLExpressionBuilder.java:159)
>         at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.resolveClassMetaData(JPQLExpressionBuilder.java:139)
>         at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:225)
>         at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:195)
>         at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateType(JPQLExpressionBuilder.java:188)
>         at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.access$600(JPQLExpressionBuilder.java:69)
>         at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.populate(JPQLExpressionBuilder.java:1756)
>         at org.apache.openjpa.kernel.jpql.JPQLParser.populate(JPQLParser.java:56)
>         at org.apache.openjpa.kernel.ExpressionStoreQuery.populateFromCompilation(ExpressionStoreQuery.java:153)
>         at org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:658)
>         at org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:639)
>         at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:605)
>         ... 33 more

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