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https://issues.apache.org/jira/browse/VFS-112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mario Ivankovits resolved VFS-112.
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       Resolution: Fixed
    Fix Version/s: 1.1

Thanks!

I slightly changed the patch to avoid the additional creation of the ArrayList. 
I think it should do it too, please give it a try.

Ciao,
Mario

> Deadlock when a FileMonitor fires an event and another thread deletes a file 
> at the same time
> ---------------------------------------------------------------------------------------------
>
>                 Key: VFS-112
>                 URL: https://issues.apache.org/jira/browse/VFS-112
>             Project: Commons VFS
>          Issue Type: Bug
>            Reporter: Tim Rademacher
>             Fix For: 1.1
>
>         Attachments: AbstractFileSystem.diff
>
>
> Hi!
> I experienced a deadlock when one thread (the DefaultFileMonitor) fires an 
> event in which a file is modified and another thread deletes a file at the 
> same time.
> The first thread first locks the listenerMap to inform all listener and then 
> tries to lock the FileSystem fs to modify the file.
> The second thread first locks the FileSystem fs and then tries to inform all 
> listener by locking the listenerMap.
> I already made a fix, but I don't know, if this affects anything else. 
> Regards
> Tim

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