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From bugzi...@apache.org
Subject [Bug 55692] POI crashes with ....a BIFF8 'Workbook' entry. Is it really an excel file?
Date Thu, 27 Mar 2014 22:43:21 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=55692

Nick Burch <apache@gagravarr.org> changed:

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

--- Comment #4 from Nick Burch <apache@gagravarr.org> ---
Attachment 31452 is not a regular .xls file. It appears to be a password
protected .xlsx file, which must be opened as per
http://poi.apache.org/encryption.html#XML-based+formats+-+Decryption (along
with the password of course!)

Also, don't forget that Apache Tika is very good at working out what files are,
if you ask Apache Tika to detect the file with no file extension, it correctly
identifies the type as application/x-tika-ooxml-protected

As for hash alg problems, either try with the latest trunk, or raise a new bug
if you really have got a file that uses a format we don't support

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