Zip is broken / corrupt!
If by conventional methods of unpacking large zip files, say contents
spans over 4 or 8 gigabytes and your usual means of unpacking tells
you that the file is broken. That's really not the case.

Within Mac OS, try opening the terminal and traversing to where the
file is located, attempt to use Java to unpack the file, such as jar
xf filename.zip.
If you've compiled p7zip from source or have a binary install, 7z x
filename.zip or 7za x filename.zip.
Attempts can also be made with unzip 6.0, ditto and BetterZip.

See also:

 * [ Apple Developer Connection 1992
][1]

 * [ Apple Developer Connection 1993 ][2]
 * [ Apple Developer Connection 1994 ][3]
 * [ Apple Developer Connection 1995 ][4]
 * [ Apple Developer Connection 1996 ][5]
 * [ Apple Developer Connection 1997 ][6]
 * [ Apple Developer Connection 1998 ][7]
 * [ Apple Developer Connection 1999 ][8]
 * [ Apple Developer Connection 2000 ][9]
 * [ Apple Developer Connection 2001 ][10]
 * [ Apple Developer Connection 2002 ][11]
 * [ Apple Developer Connection 2003 ][12]
 * [ Apple Developer Connection 2004 ][13]
 * [ Apple Developer Connection 2005 ][14]
 * [ Apple Developer Connection 2006 ][15]
 * [ Apple Developer Connection 2007 ][16]
 * [ Apple Developer Connection 2008 ][17]

Compatibility

  [1]: http://macintoshgarden.org/apps/apple-developer-cd-collection
  [2]: http://macintoshgarden.org/apps/apple-developer-connection-1993
  [3]: http://macintoshgarden.org/apps/apple-developer-connection-1994
  [4]: http://macintoshgarden.org/apps/apple-developer-connection-1995
  [5]: http://macintoshgarden.org/apps/apple-developer-connection-1996
  [6]: http://macintoshgarden.org/apps/apple-developer-connection-1997
  [7]: http://macintoshgarden.org/apps/apple-developer-connection-1998
  [8]: http://macintoshgarden.org/apps/apple-developer-connection-1999
  [9]: http://macintoshgarden.org/apps/apple-developer-connection-2000
  [10]: http://macintoshgarden.org/apps/apple-developer-connection-2001
  [11]: http://macintoshgarden.org/apps/apple-developer-connection-2002
  [12]: http://macintoshgarden.org/apps/apple-developer-connection-2003
  [13]: http://macintoshgarden.org/apps/apple-developer-connection-2004
  [14]: http://macintoshgarden.org/apps/apple-developer-connection-2005
  [15]: http://macintoshgarden.org/apps/apple-developer-connection-2006
  [16]: http://macintoshgarden.org/apps/apple-developer-connection-2007
  [17]: http://macintoshgarden.org/apps/apple-developer-connection-2008