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#2129 Data error when extracting bz2

open
nobody
None
5
2018-06-05
2018-06-02
Justin
No

Example file: https://archive.org/download/reddit-data-comments/JSON-compressed/RC_2007-01.7z
System info: Windows 10 version 10.0.16229 Build 16299 (none others tested)

Regression info:
FAIL - 18.05 (from https://www.7-zip.org/a/7z1805-x64.exe)
FAIL - 17.0 test (from https://sourceforge.net/projects/sevenzip/files/7-Zip/17.00/7z1700-x64.exe)
PASS - 16.04 (from https://www.7-zip.org/a/7z1805-x64.exe)

Reported by another user at https://superuser.com/questions/1327417/bz2-data-error-7zip

Discussion

  • Justin

    Justin - 2018-06-02

    *17.0 beta (not test).

     
  • Justin

    Justin - 2018-06-02

    Wrong exmple file; the .7z works correctly.

    Failing .bz2 is at https://files.pushshift.io/reddit/comments/RC_2007-01.bz2

     
  • Igor Pavlov

    Igor Pavlov - 2018-06-03

    Probably that bz2 file was created by lbzip2 program.
    Can you confirm that?
    If so, then we know that lbzip2 can create BAD bz2 archives,
    and there are reasons why 7-Zip shows errors for some lbzip2 archives.
    More details here:
    https://sourceforge.net/p/sevenzip/bugs/1626/
    You can ask creators of these bz2 archives to repack all "bad" bz2 archives (that were created with lbzip2) with another bz2 packer.

     
  • John Doe

    John Doe - 2018-06-05

    Same problem files from here:
    https://files.pushshift.io/reddit/comments/

    files above 2006-02 give me data error.

    All versions above 7-zip 16.04 give me that error

     

    Last edit: John Doe 2018-06-05

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