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https://jira.codehaus.org/browse/MRM-1702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Olivier Lamy closed MRM-1702.
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Resolution: Fixed
Assignee: Olivier Lamy
I have started to work on a file locking mechanism.
It's not activated per default but you can activate via the ui.
> Race condition caused by retrieving the same artifact from a Proxy from
> muliple threads
> ---------------------------------------------------------------------------------------
>
> Key: MRM-1702
> URL: https://jira.codehaus.org/browse/MRM-1702
> Project: Archiva
> Issue Type: Bug
> Affects Versions: 1.4-M1
> Environment: RHEL6
> Reporter: charles kim
> Assignee: Olivier Lamy
> Fix For: 2.0.0
>
> Attachments: ArchivaDavResource_patch.txt,
> DefaultRepositoryProxyConnectors_patch.txt
>
>
> When multiple requests are made for the same artifact where proxy is used
> (meaning there is no local file exists yet), there is a race condition.
> A code block that moves the downloaded temp file to target location is in
> synchronized block which does prevent them from writing the same file,
> Before moving the temp file to the target location, it overwrites the
> existing file ( by first checking the file existence and removes it).
> By removing it (from the 2nd thread), the first thread that wrote the file
> and and tries to spool the file again throws java.io.FileNotFoundException.
> Please see attached patch.
> Thanks
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