[jboss-jira] [JBoss JIRA] Created: (JBRULES-2724) OOME on Marshalling (JPA), caused by infinite cycle on OutputMarshaller.writeLeftTuple

[Dan Danciu (JIRA)]

OOME on Marshalling (JPA), caused by infinite cycle on OutputMarshaller.writeLeftTuple
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                 Key: JBRULES-2724
                 URL: https://jira.jboss.org/browse/JBRULES-2724
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-core  (expert)
    Affects Versions: 5.1.1.FINAL
         Environment: OpenSuse Linux, java version "1.6.0_21"
            Reporter: Dan Danciu
            Assignee: Mark Proctor


When trying to marshal my stateful session (spring configured) using JPA, the tests failed with OutOfMemoryError.

After tracing the OOEM, I found the fault in a infinite loop in org.drools.marshalling.impl.OutputMarshaller, method writeLeftTuple, for the cases:       NodeTypeEnums.NotNode, NodeTypeEnums.ForallNotNode and NodeTypeEnums.ExistsNode.

The problem was that childLeftTuple was not taken from childLeftTuple but from leftTuple, causing the infinite loop.

Sorry, I cannot give you more info on how to reproduce the problem, for us it appears only in an certain integration test, but I did create a patch, and our code works with it.

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