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Posted to dev@openjpa.apache.org by "Fay Wang (JIRA)" <ji...@apache.org> on 2010/11/04 19:26:42 UTC

[jira] Assigned: (OPENJPA-1810) ClassCastException when using QueryCache and Criteria API

     [ https://issues.apache.org/jira/browse/OPENJPA-1810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fay Wang reassigned OPENJPA-1810:
---------------------------------

    Assignee: Fay Wang

> ClassCastException when using QueryCache and Criteria API
> ---------------------------------------------------------
>
>                 Key: OPENJPA-1810
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1810
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: datacache
>    Affects Versions: 2.0.1, 2.1.0
>            Reporter: Rick Curtis
>            Assignee: Fay Wang
>         Attachments: OPENJPA-1810.test.patch
>
>
> I found a ClassCastException when using the COUNT function, the criteria API, and the QueryCache is  enabled. I'll post a simple unit test shortly.
> <openjpa-2.1.0-SNAPSHOT-r422266:984243 nonfatal user error> org.apache.openjpa.persistence.ArgumentException: Failed to execute query "null". Check the query syntax for correctness. See nested exception for details.
> 	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:870)
> 	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:792)
> 	at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:542)
> 	at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:288)
> 	at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:302)
> 	at org.apache.openjpa.persistence.QueryImpl.getSingleResult(QueryImpl.java:326)
> 	at org.apache.openjpa.persistence.criteria.TestCriteria.testCount(TestCriteria.java:267)
> ....
> Caused by: java.lang.ClassCastException: org.apache.openjpa.util.IntId incompatible with [Ljava.lang.Object;
> 	at org.apache.openjpa.datacache.QueryCacheStoreQuery$CachedList.get(QueryCacheStoreQuery.java:509)
> 	at org.apache.openjpa.lib.rop.ListResultObjectProvider.getResultObject(ListResultObjectProvider.java:55)
> 	at org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.getResultObject(QueryImpl.java:2073)
> 	at org.apache.openjpa.kernel.QueryImpl.singleResult(QueryImpl.java:1325)
> 	at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1237)
> 	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1005)
> 	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:861)
> 	... 28 more

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