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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5178) UIMA-AS: service returns wrong performance metrics
Date Wed, 09 Nov 2016 19:26:58 GMT
Jerry Cwiklik created UIMA-5178:

             Summary: UIMA-AS: service returns wrong performance metrics
                 Key: UIMA-5178
                 URL: https://issues.apache.org/jira/browse/UIMA-5178
             Project: UIMA
          Issue Type: Bug
          Components: Async Scaleout
    Affects Versions: 2.8.1AS
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: 2.9.0AS

The JmsOutputChannel uses a single instance of XStream to serialize CAS performance metrics.
When multiple threads serialize metrics at the same time there is a chance that the data becomes
corrupted. Synchronize access to the xstream instance when serializing metrics

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