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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-3001) Fix UIMA-AS CAS accounting to prevent loosing CASes
Date Fri, 14 Jun 2013 21:01:21 GMT
Jerry Cwiklik created UIMA-3001:
-----------------------------------

             Summary: Fix UIMA-AS CAS accounting to prevent loosing CASes
                 Key: UIMA-3001
                 URL: https://issues.apache.org/jira/browse/UIMA-3001
             Project: UIMA
          Issue Type: Bug
          Components: Async Scaleout
    Affects Versions: 2.4.0AS
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: 2.4.1AS


In complex scenarios involving many CMs and nested aggregates the uima-as fails to account
for CASes correctly. In scenarios where the parent and child flow together, the uima-as can
double decrement child count of the ancestor CAS causing it to leave an aggregate while its
children are still in play. Such scenario may lead to NullPointerException and a hang.

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