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From "David Wisneski (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-16) NPE in createQuery for EJB QL with nested correlated subqueries
Date Wed, 16 Aug 2006 23:03:13 GMT
NPE in createQuery for EJB QL with nested correlated subqueries
---------------------------------------------------------------

                 Key: OPENJPA-16
                 URL: http://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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