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From "Bernd Eckenfels (JIRA)" <>
Subject [jira] [Created] (VFS-545) DefaultFilesCache leaks closed filesystems
Date Wed, 12 Nov 2014 18:06:33 GMT
Bernd Eckenfels created VFS-545:

             Summary: DefaultFilesCache leaks closed filesystems
                 Key: VFS-545
             Project: Commons VFS
          Issue Type: Bug
    Affects Versions: 2.0, 2.1
            Reporter: Bernd Eckenfels
            Assignee: Bernd Eckenfels
            Priority: Minor

The org.apache.commons.vfs2.cache.DefaultFilesCache does not remove the filesystem specific
cache if a filesystem gets cleared. This leads to the problem that instances if the FileSystem
kept alive after the FileProvider has closed the filesystem. This is not so much a problem
for a smaller number of filesystems configured for a prefix, but it is a problem for layered
or virtual filesystems which get created and destroyed. (See also VFS-544). The more advanced
filesystem caches support clearing the keys (but have other races I think).

The behaviour is somewhat documented "lifetime of the FileSystemManager", but I don't think
it is expected or required.

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