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From "Niall Pemberton (JIRA)" <>
Subject [jira] [Commented] (IO-269) Tailer locks file from deletion/rename on Windows
Date Fri, 08 Jun 2012 01:37:23 GMT


Niall Pemberton commented on IO-269:

Do you have any benchmark to back up the less efficient statement? Marcos indicated that it
was not the case in his benchmark.

Continuing to tail a file thats been renamed would be a bug (log files is a good example of

The current implementation can miss rotations - thats a factor of the delay and how fast/frequently
the file is being written to. So the question really is, is it more likely to miss rotations
and I believe that goes back to the efficiency question.
> Tailer locks file from deletion/rename on Windows
> -------------------------------------------------
>                 Key: IO-269
>                 URL:
>             Project: Commons IO
>          Issue Type: Bug
>            Reporter: Sebb
>         Attachments: IO-269-v2.patch, IO-269.patch
> The Tailer code works on Windows, except that it locks the file against deletion or rename.
> The test code fails to detect this, because it fails to check if the file deletion succeeds.
> This seems to be a Windows OS issue.
> A possible solution might be to keep closing and re-opening the file.

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