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https://issues.apache.org/jira/browse/UIMA-5741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marshall Schor resolved UIMA-5741.
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Resolution: Fixed
> protect UIMA Class loader in multi-threaded get resource contexts
> -----------------------------------------------------------------
>
> Key: UIMA-5741
> URL: https://issues.apache.org/jira/browse/UIMA-5741
> Project: UIMA
> Issue Type: Improvement
> Components: Core Java Framework
> Affects Versions: 2.10.2SDK, 3.0.0SDK
> Reporter: Marshall Schor
> Assignee: Marshall Schor
> Priority: Minor
> Fix For: 3.0.1SDK, 2.10.3SDK
>
>
> I have seen one case where multiple threads were being used where a UIMA
> Class Loader was being used to load a resource (Type system Descriptor ->
> type System was resolving an "import by name"), where the getResource
> returned (only once) a spurious "null" result.
> This is likely due to some multithreading issue in get Resource. Add a sync
> using the same multi-threaded parallel approach used for class loaded, to
> getResource, to protect against this case.
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