[jira] Commented: (OPENJPA-110) Every NamedNativeQuery using ResultSetMapping fails at runtime with class cast exception when try to iterate over list

["Marc Prud'hommeaux (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OPENJPA-110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12467216 ] 

Marc Prud'hommeaux commented on OPENJPA-110:
--------------------------------------------

It looks like you are getting back a list of Integers. What are the NamedNativeQuery and ResultSetMapping annotations in question?

> Every NamedNativeQuery using ResultSetMapping fails at runtime with class cast exception when try to iterate over list<Some Entity>
> -----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-110
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-110
>             Project: OpenJPA
>          Issue Type: Bug
>         Environment: windows xp, openjpa_097_incubating
>            Reporter: George Hongell
>
> Every NamedNativeQuery using ResultSetMapping fails at runtime with class cast exception when try to iterate over list<Some Entity>
> java.lang.ClassCastException: java.lang.Integer incompatible with com.ibm.ws.query.entities.objectgrid.xml.DeptBean
> 	at com.ibm.ws.query.tests.JUNamedNativeQueryTest.testJoinQuery(JUNamedNativeQueryTest.java:563)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:615)
> 	at junit.framework.TestCase.runTest(Unknown Source)
> 	at junit.framework.TestCase.runBare(Unknown Source)
> 	at junit.framework.TestResult$1.protect(Unknown Source)
> 	at junit.framework.TestResult.runProtected(Unknown Source)
> 	at junit.framework.TestResult.run(Unknown Source)
> 	at junit.framework.TestCase.run(Unknown Source)
> 	at junit.framework.TestSuite.runTest(Unknown Source)
> 	at junit.framework.TestSuite.run(Unknown Source)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:478)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:344)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)

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