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From "Sam Halliday (JIRA)" <j...@apache.org>
Subject [jira] [Created] (VFS-536) DefaultFileMonitor will ignore files forever if directory is deleted and recreated
Date Tue, 23 Sep 2014 15:59:34 GMT
Sam Halliday created VFS-536:
--------------------------------

             Summary: DefaultFileMonitor will ignore files forever if directory is deleted
and recreated
                 Key: VFS-536
                 URL: https://issues.apache.org/jira/browse/VFS-536
             Project: Commons VFS
          Issue Type: Bug
    Affects Versions: 2.0
            Reporter: Sam Halliday


We're using VFS2 in our emacs scala ide https://github.com/ensime/ensime-server

Unfortunately, I've just discovered that if we watch a directory, e.g. here we are watching
the target directory for class files that are created by a compiler

 https://github.com/ensime/ensime-server/blob/master/src/main/scala/org/ensime/indexer/FileWatchers.scala#L28

then if the directory is deleted and recreated (as is done by the SBT scala build tool!) then
monitoring events are ignored forever!

I can confirm that file watching works fine if individual files are added or removed.



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