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[Christian Holtje <882125@xxxxxxxxxxxxxxxxxx>]

Does this explain why the official Firefox works and the Ubuntu one
doesn't?  I'm unfamiliar with apparmor.

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https://bugs.launchpad.net/bugs/882125

Title:
  nsIProcess doesn't work for some executables

Status in “firefox” package in Ubuntu:
  Invalid

Bug description:
  Hello!

  I'm the author of the Firefox extension "It's All Text!".  This
  extension launches a local editor (like emacs or gvim) with the
  contents of a textarea to make editing web pages (wikis, etc.) easier.

  I have discovered a bug in Ubuntu's firefox:
  https://github.com/docwhat/itsalltext/issues/18

  It appears that the nsIProcess run*() methods fail for *some*
  binaries.

  In the issue I referenced above, the user was able to use
  /usr/bin/gedit but not /usr/bin/sublime-text-2.  It would fail to
  launch and return an exit code 1.

  The user was nice enough to let me screen share with him and we tried
  runwAsync() (the default), runAsync(), and run() to launch the editor
  but it failed in all cases.

  We then downloaded Firefox from the official site (both the Ubuntu one
  and the official one were 7.0.1) and nsIProcess then worked.

  I am unable to figure out:

  * How /usr/bin/gedit and /usr/bin/sublime-text-2 differ that one fails and one succeeds.
  * How the Ubuntu Firefox and the Official Firefox differ.

  I haven't a clue about what's going on here.

  I am unable to reproduce this problem in my VM.  I'll ask the user to
  subscribe to this bug in case you want to ask him additional
  questions.

  Ciao!

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