[ 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? > 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 -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.