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Posted to dev@poi.apache.org by Mladen Covic <ml...@db.com> on 2013/03/12 19:15:55 UTC

RE: [Bug 54654] Can not use same file for reading and writing a Workbook [I]

Classification: For internal use only

Nick,

I don't think your statement (comment #3) is a exactly correct one. Windows does allow simultaneous read AND write on a single instance of the File object. It can be obtained through the RandomFileAccess object that can read and write at the same time ("rw" argument in the constructor). That being said, I don't know if this is useful to POI at all if in POI you access files through streams that are already implemented. If, on the other hand, you are interested only in low level byte read/write you can do it through random access file object.

Mladen Covic

-----Original Message-----
From: bugzilla@apache.org [mailto:bugzilla@apache.org]
Sent: Tuesday, March 12, 2013 1:44 PM
To: dev@poi.apache.org
Subject: [Bug 54654] Can not use same file for reading and writing a Workbook

https://issues.apache.org/bugzilla/show_bug.cgi?id=54654

Nick Burch <ap...@gagravarr.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #3 from Nick Burch <ap...@gagravarr.org> --- It's a standard restriction on windows, nothing POI specific. You'll either need to use a 2nd file, or close the original one before trying to write out to it. Or switch to an OS without the restrictions!

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