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https://issues.apache.org/jira/browse/OPENJPA-16?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Wisneski closed OPENJPA-16.
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Resolution: Fixed
This problem has been fixed
> NPE in createQuery for EJB QL with nested correlated subqueries
> ---------------------------------------------------------------
>
> Key: OPENJPA-16
> URL: https://issues.apache.org/jira/browse/OPENJPA-16
> Project: OpenJPA
> Issue Type: Bug
> Components: query
> Reporter: David Wisneski
>
> EJBQL:select c from Customer c where exists ( select o from Order o where
> o.cutomer = c and o.delivered=false and
> exists ( select l1 from LineItem l, in(o.lineitems) as l2 where l1=l2 ))
> partial stack trace is
> Caused by: java.lang.NullPointerException
> at
> org.apache.openjpa.jdbc.kernel.exps.PCPath.initialize(PCPath.java:359)
> at
> org.apache.openjpa.jdbc.kernel.exps.CompareEqualExpression.initialize(CompareEqualExpression.java:64)
> at
> org.apache.openjpa.jdbc.kernel.exps.ContainsExpression.initialize(ContainsExpression.java:56)
> at
> org.apache.openjpa.jdbc.kernel.exps.BindVariableAndExpression.initialize(BindVariableAndExpression.java:49)
> at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.initializeJoins(SelectConstructor.java:222)
> at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.newJoinsSelect(SelectConstructor.java:166)
> at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.evaluate(SelectConstructor.java:88)
> at org.apache.openjpa.jdbc.kernel.exps.SubQ.appendTo(SubQ.java:198)
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