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From "Ted Leung (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1020) eager fetching of PersistentCollection of a primitive type fails
Date Fri, 03 Apr 2009 17:20:12 GMT
eager fetching of PersistentCollection of a primitive type fails
----------------------------------------------------------------

                 Key: OPENJPA-1020
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1020
             Project: OpenJPA
          Issue Type: Bug
          Components: jdbc
    Affects Versions: 1.2.1, 2.0.0
         Environment: Linux deltoid-r61 2.6.27.12-170.2.5.fc10.i686 #1 SMP Wed Jan 21 02:09:37
EST 2009 i686 i686 i386 GNU/Linux
java version "1.6.0_12"
Java(TM) SE Runtime Environment (build 1.6.0_12-b04)
Java HotSpot(TM) Server VM (build 11.2-b01, mixed mode)

            Reporter: Ted Leung
         Attachments: openjpa_junit_patch.zip

When a PersistentCollection of primitives like String.class are persisted, if the collection
is marked as eager fetching. An exception is thrown upon loading the collection :

Attached is a patch file to the 2.0.0 trunk's junit test which illustrates the collection
working with lazy and failing with eager. This also happens in 1.2.1



Exception below:
--------------------

junit.framework.AssertionFailedError: java.lang.String cannot be cast to org.apache.openjpa.enhance.PersistenceCapable
	at junit.framework.Assert.fail(Assert.java:47)
	at org.apache.openjpa.persistence.annotations.TestPersistentCollection.testPersistentCollectionStringsEager(TestPersistentCollection.java:169)
	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 org.apache.openjpa.persistence.test.PersistenceTestCase.runBare(PersistenceTestCase.java:455)
	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.PersistenceTestCase.run(PersistenceTestCase.java:182)
	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:334)
	at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:980)


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