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https://issues.apache.org/jira/browse/FILEUPLOAD-368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Campbell updated FILEUPLOAD-368:
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Attachment: image-2025-12-02-13-22-04-101.png
> 1.6.0 unlike 1.5: brought on an issue where temporary files and descriptors
> were not being freed
> -------------------------------------------------------------------------------------------------
>
> Key: FILEUPLOAD-368
> URL: https://issues.apache.org/jira/browse/FILEUPLOAD-368
> Project: Commons FileUpload
> Issue Type: Bug
> Affects Versions: 1.6.0
> Reporter: David Campbell
> Priority: Major
> Attachments: image-2025-12-02-13-22-04-101.png
>
>
> An upgrade of commons-fileupload from 1.5 to 1.6.0 brought on a problem on
> high-load servers where uploaded files were not being deleted and the server
> file descriptor utilisation kept growing. On all server instances, file
> resource utilisation kept growing to the point where it was filling /tmp
> completely and then the server instances needed restarting to solve, as file
> space is not reclaimed even on file deletion on Unix servers when file
> descriptors are still open. The same issue occurred on all our server
> instances.
> We had a major production incident as a result.
> Rolled back to 1.5. That fixed the issue, problem completely gone.
> Don't know any further details of the whys at this point.
>
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