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https://issues.apache.org/jira/browse/UIMA-4587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Challenger closed UIMA-4587.
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Resolution: Fixed
Fix Version/s: 2.1.0-Ducc
> DUCC SM race: rapid unregister/deregister can corrupt state.
> ------------------------------------------------------------
>
> Key: UIMA-4587
> URL: https://issues.apache.org/jira/browse/UIMA-4587
> Project: UIMA
> Issue Type: Bug
> Components: DUCC
> Affects Versions: 2.0.0-Ducc
> Reporter: Jim Challenger
> Assignee: Jim Challenger
> Fix For: 2.1.0-Ducc
>
>
> If an unregister followed by a very quick register for a service with the
> same endpoint is done, the internal tables managing these regs can get
> corrupted. The problem appears to be missing 'synchronized' around the
> CLI-based methods.
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