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Problem in running QueryHints.READ_ONLY on GF 3.0 [message #903953]

Mon, 27 August 2012 12:37

Ahmed El-Zaher

Messages: 1
Registered: August 2012

Junior Member

Hello All,
I faced a problem using EclipseLink 2.5.0 in enterprise application on Glassfish 3 server.
The problem is:-

String query;
        query = "SELECT entity FROM " + entityName + " entity ";
        List baseEntities = null;
            Query queryL = em.createQuery(query);
            queryL.setHint(QueryHints.READ_ONLY, HintValues.TRUE);
            baseEntities = queryL.getResultList();

before adding the line: "queryL.setHint(QueryHints.READ_ONLY, HintValues.TRUE);"
there is no problem, but after adding it the server suddenly closed when running the line: "baseEntities = queryL.getResultList();" & nothing was written to the log.

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Re: Problem in running QueryHints.READ_ONLY on GF 3.0 [message #903997 is a reply to message #903953]

Mon, 27 August 2012 14:15

Chris Delahunt

Messages: 1389
Registered: July 2009

Senior Member

Sounds like a JVM crash, in which case there should be a JVM error dump somewhere that might have more information. The EclipseLink log might show here in the query processing the error is occuring, assuming it gets that far and EclipseLink logging is turned on. Are you able to use other query hints successfully?

Also, how did you change the EclipseLink jars, and which 2.5 EclipseLink build are you using?

Best Regards,
Chris

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