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