[jira] [Created] (OPENJPA-2493) SQLException while processing a query result

["Rick Curtis (JIRA)" <ji...@apache.org>]

Rick Curtis created OPENJPA-2493:
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             Summary: SQLException while processing a query result
                 Key: OPENJPA-2493
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2493
             Project: OpenJPA
          Issue Type: Bug
          Components: kernel, query
    Affects Versions: 2.2.2, 2.3.0
            Reporter: Rick Curtis


I encountered a bug in a test environment that I wanted to open so I don't forget about it. 

My best guess is that this bug is somewhere in one of the query / sql caches. It looks very similar to OPENJPA-2482, but it is indeed different. Attached below is a multithreaded test that is able to recreate the stacktrace below 75% of the time.

<openjpa-0.0.0-rnull nonfatal general error> org.apache.openjpa.persistence.PersistenceException: org.apache.openjpa.jdbc.kernel.exps.Count@336eb7fc
FailedObject: SELECT b.oid, COUNT(b) FROM Book b where b.dueDate BETWEEN :start AND :end GROUP BY b.oid [java.lang.String]
	at org.apache.openjpa.jdbc.sql.DBDictionary.narrow(DBDictionary.java:5008)
	at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary.java:4968)
	at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:135)
	at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:116)
	at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:68)
	at org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider.handleCheckedException(SelectResultObjectProvider.java:155)
	at org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.handleCheckedException(QueryImpl.java:2111)
	at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:40)
	at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1251)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1007)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:863)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:794)
	at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:542)
	at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:275)
	at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:291)
	at org.apache.openjpa.persistence.jdbc.sqlcache.TestMultiThreadedQuery$Worker.run(TestMultiThreadedQuery.java:94)
Caused by: java.sql.SQLException: org.apache.openjpa.jdbc.kernel.exps.Count@336eb7fc
	at org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.findObject(SelectImpl.java:2512)
	at org.apache.openjpa.jdbc.sql.ResultSetResult.translate(ResultSetResult.java:497)
	at org.apache.openjpa.jdbc.sql.ResultSetResult.getObjectInternal(ResultSetResult.java:362)
	at org.apache.openjpa.jdbc.sql.AbstractResult.getObject(AbstractResult.java:691)
	at org.apache.openjpa.jdbc.kernel.exps.UnaryOp.load(UnaryOp.java:120)
	at org.apache.openjpa.jdbc.kernel.ProjectionResultObjectProvider.getResultObject(ProjectionResultObjectProvider.java:78)
	at org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.getResultObject(QueryImpl.java:2075)
	at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:36)
	... 8 more



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