NPE in createQuery for EJB QL with nested correlated subqueries

• Key: OPENJPA-16
• Type: Bug
• Status: Closed
• Resolution: Fixed
• Priority: Major
• Assignee: Unassigned
• Reporter: David Wisneski
• Component/s: query
• Fix Version/s: 0.9.7

Description

 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)