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From "Sam Haldane (JIRA)" <j...@apache.org>
Subject [jira] [Created] (VFS-487) File creation events missed when deleted then re-created within poll delay
Date Fri, 09 Aug 2013 03:50:48 GMT
Sam Haldane created VFS-487:
-------------------------------

             Summary: File creation events missed when deleted then re-created within poll
delay
                 Key: VFS-487
                 URL: https://issues.apache.org/jira/browse/VFS-487
             Project: Commons VFS
          Issue Type: Bug
            Reporter: Sam Haldane


To reproduce:
* create a file monitor and add a directory with at least one child file
* set delay to 5 seconds
* delete a child file, wait for monitor to detect deletion
* re-create the child file within 5 seconds
* creation event is not detected

This is mainly due to this block being at the start of the main loop:

{code:java}
            while (!this.deleteStack.empty())
            {
                this.removeFile(this.deleteStack.pop());
            }
{code}

When this is executed, the file has already been re-created. {{removeFile}} calls {{FileMonitorAgent#resetChildrenList}}
which updates the children list for that agent (which will contain the newly created file),
but doesn't update the monitor map. The subsequent call to {{FileMonitorAgent#check}} in the
main loop then doesn't detect the new file.

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