[jboss-jira] [JBoss JIRA] Issue Comment Edited: (JBRULES-2809) Exists/Not Nodes have ordering problem for repetitive updates on same facts

[Geoffrey De Smet (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-2809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12596142#comment-12596142 ] 

Geoffrey De Smet edited comment on JBRULES-2809 at 4/29/11 6:14 AM:
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Changing priority to blocker: 7 out of 9 planner examples suffer from it.
Enable enviromnentMode TRACE in planner to detect the corruptions.
In most examples it seriously hurts the quality of the solution of the planner.

This is a serious REGRESSION since Drools 5.0 (but there's still a net gain due to the performance improvement of true modify in 5.1).


      was (Author: ge0ffrey):
    Changing priority to blocker: 7 out of 9 planner examples suffer from it.
Enable enviromnentMode TRACE in planner to detect the corruptions.
In most examples it seriously hurts the quality of the solution of the planner.

This is a serious REGRESSION since Drools 5.0.

  
> Exists/Not Nodes have ordering problem for repetitive updates on same facts
> ---------------------------------------------------------------------------
>
>                 Key: JBRULES-2809
>                 URL: https://issues.jboss.org/browse/JBRULES-2809
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core  (expert)
>    Affects Versions: 5.1.1.FINAL
>            Reporter: Geoffrey De Smet
>            Assignee: Mark Proctor
>            Priority: Blocker
>             Fix For: 5.2.0.CR1
>
>         Attachments: JBRULES-2809_statefull_memory_corruption_-_part_3_1.patch, JBRULES-2809_statefull_memory_corruption_-_part_4.patch, JBRULES-2809_statefull_memory_corruption_-_test_2.patch
>
>
> Seeing this with CurriculumCourseApp. Reproduced with trunk and with 5.1.1.
> Writing a testcase for regression testing.

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