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Posted to dev@uima.apache.org by "Jerry Cwiklik (JIRA)" <de...@uima.apache.org> on 2013/06/14 23:01:21 UTC

[jira] [Created] (UIMA-3001) Fix UIMA-AS CAS accounting to prevent loosing CASes

Jerry Cwiklik created UIMA-3001:
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             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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