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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Closed] (UIMA-5178) UIMA-AS: service returns wrong performance metrics
Date Fri, 11 Nov 2016 15:31:58 GMT

     [ https://issues.apache.org/jira/browse/UIMA-5178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jerry Cwiklik closed UIMA-5178.
-------------------------------
    Resolution: Fixed

Synchronized XStream object while serializing performance metrics

> 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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