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https://issues.apache.org/jira/browse/UIMA-5935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16724035#comment-16724035
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Philipp Butz commented on UIMA-5935:
------------------------------------
A possible bug fix is provided via GitHub: [Github Bug
Fix|https://github.com/apache/uima-uimaj/pull/9]
> Destroy the ResourceManager on destroy of a pear
> -------------------------------------------------
>
> Key: UIMA-5935
> URL: https://issues.apache.org/jira/browse/UIMA-5935
> Project: UIMA
> Issue Type: Bug
> Components: Core Java Framework
> Affects Versions: 2.10.3SDK
> Reporter: Philipp Butz
> Priority: Major
> Attachments: Screenshot from 2018-12-18 08-34-10.png
>
>
> This bug is related to bug UIMA-5799 . The bug seems not completely fixed,
> since the files are still being accessed after trying to delete them. This
> behavior can be shown by the tool 'lsof' (see screenshot). There seems still
> access to the resources of a pear on the file system, which denies the
> complete deletion on the file system after uninstalling it (they are marked
> as deleted but are not actually removed).
>
> Potential cause:
> The class PearAnalysisEngineWrapper creates and caches resource managers. The
> elements in that Cache (Java map) are never explicitly removed, not even in
> the destroy method.
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