[ https://issues.apache.org/jira/browse/OPENJPA-2221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on OPENJPA-2221 started by Dianne Richards.

> Use of AbstractValueHandler map() causes exception on find()
> ------------------------------------------------------------
>
>                 Key: OPENJPA-2221
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2221
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 2.1.0
>            Reporter: Dianne Richards
>            Assignee: Dianne Richards
>             Fix For: 2.1.1
>
>
> When a value strategy implemented by a subclass of AbstractValuehandler overrides the map() method, an exception occurs on a find() if the strategy is implemented on an id field. The method returns a Column[].
> <openjpa-2.1.2-SNAPSHOT-r422266:1297100 nonfatal user error> org.apache.openjpa.persistence.ArgumentException: The specified parameter of type "class [Ljava.lang.Object;" is not a valid query parameter.
> FailedObject: id1 [org.apache.openjpa.util.StringId] [java.lang.String]
> 	at org.apache.openjpa.jdbc.sql.DBDictionary.setUnknown(DBDictionary.java:1465)
> 	at org.apache.openjpa.jdbc.sql.DBDictionary.setUnknown(DBDictionary.java:1391)
> 	at org.apache.openjpa.jdbc.sql.SQLBuffer.setParameters(SQLBuffer.java:656)
> 	at org.apache.openjpa.jdbc.sql.SQLBuffer.prepareStatement(SQLBuffer.java:565)
> 	at org.apache.openjpa.jdbc.sql.SQLBuffer.prepareStatement(SQLBuffer.java:541)
> 	at org.apache.openjpa.jdbc.sql.SelectImpl.prepareStatement(SelectImpl.java:479)
> 	at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:420)
> 	at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:382)
> 	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.getInitializeStateResult(JDBCStoreManager.java:576)
> 	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState(JDBCStoreManager.java:378)
> 	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreManager.java:333)
> 	at org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:112)
> 	at org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
> 	at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:1027)
> 	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:985)
> 	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:902)
> 	at org.apache.openjpa.kernel.DelegatingBroker.find(DelegatingBroker.java:231)
> 	at org.apache.openjpa.persistence.EntityManagerImpl.find(EntityManagerImpl.java:486)
> 	at org.apache.openjpa.persistence.strategy.value.TestValueStrategy.testIt(TestValueStrategy.java:37)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:88)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
> 	at java.lang.reflect.Method.invoke(Method.java:613)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at org.apache.openjpa.persistence.test.AbstractPersistenceTestCase.runTest(AbstractPersistenceTestCase.java:579)
> 	at junit.framework.TestCase.runBare(TestCase.java:127)
> 	at org.apache.openjpa.persistence.test.AbstractPersistenceTestCase.runBare(AbstractPersistenceTestCase.java:566)
> 	at org.apache.openjpa.persistence.test.AbstractPersistenceTestCase.runBare(AbstractPersistenceTestCase.java:542)
> 	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 org.apache.openjpa.persistence.test.AbstractPersistenceTestCase.run(AbstractPersistenceTestCase.java:206)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
> 	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
> Presumably the exception would occur on other fields if they were part of the query.
> The DBDictionary setUnknown() method needs to handle input of an Object[].

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