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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-2477) UIMA-AS Not Handling Late Replies Correctly
Date Thu, 11 Oct 2012 19:21:02 GMT
Jerry Cwiklik created UIMA-2477:
-----------------------------------

             Summary: UIMA-AS Not Handling Late Replies Correctly
                 Key: UIMA-2477
                 URL: https://issues.apache.org/jira/browse/UIMA-2477
             Project: UIMA
          Issue Type: Bug
          Components: Async Scaleout
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: 2.4.0AS


When UIMA-AS aggregate receives late (previously timed out) reply from a remote delegate it
tries to drop related Flow object from a FC and subsequently removes a CAS from its cache.
This is wrong. Its up to the FC to decide what to do with a timed out CAS. In a scenario when
the FC continues with a timed out CAS, current code may cause NPEs in the AE and an unexpected
shutdown of the service if action=terminate on Process error. The code should be changed to
ignore out-of-band CASes. 

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