[jboss-jira] [JBoss JIRA] Commented: (JBRULES-2559) Problem with Collect statement from a source that is a previous declaration after an OR'd group in MVEL dialect

[Chris DeLashmutt (JIRA)]

    [ https://jira.jboss.org/browse/JBRULES-2559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12537097#action_12537097 ] 

Chris DeLashmutt commented on JBRULES-2559:
-------------------------------------------

Another strange problem with this change I'm trying to make is that if I try to use SerializationHelper.getSerialisedStatefulSession( wm ) in the test case, I'm getting an NPE when the session is being deserialized on a LeftTuple constructor.  The rightTuple parameter to the constructor is null because no RightTuple could be found for the given key in InputMarshaller around line 532.

> Problem with Collect statement from a source that is a previous declaration after an OR'd group in MVEL dialect
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-2559
>                 URL: https://jira.jboss.org/browse/JBRULES-2559
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core
>    Affects Versions: 5.1.0.M2
>            Reporter: Chris DeLashmutt
>            Assignee: Mark Proctor
>         Attachments: patch.txt
>
>
> When using a Collect statement that is sourced from a nested property of a bound pattern and it follows an OR'd group of evals, the bound pattern seems to be pointing to the wrong object in the tuple.  I have attached a diff for drools-compiler that includes a new test case in FirstOrderLogicTest and DRL that exhibits this problem.

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