[tor-bugs] #22041 [Applications/Tor Browser]: libmozsandbox.so error on Debian jessie amd64 after upgrading to 7.0a3

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#22041: libmozsandbox.so error on Debian jessie amd64 after upgrading to 7.0a3
------------------------------------------+----------------------
     Reporter:  dcf                       |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  ff52-esr
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 This may be related to #21907.

 Tor Browser downloaded some update yesterday. Today I started it and it
 showed a progress bar and a message like "Please wait a few moments while
 we apply the updates" and then the browser didn't start. Trying two start
 it manually in the command line causes:
 {{{
 $ ./start-tor-browser.desktop -v
 Launching './Browser/start-tor-browser --detach -v'...
 XPCOMGlueLoad error for file /home/david/tor-browser_en-
 US/Browser/libxul.so:
 libmozsandbox.so: cannot open shared object file: No such file or
 directory
 Couldn't load XPCOM.
 }}}

 I would have expected that the update was for
 [https://blog.torproject.org/blog/tor-browser-70a3-released 7.0a3],
 released yesterday. Bug I am not sure what exact version it thinks it is,
 because I see 7.0a1, 7.0a2, and 7.0a3 in various places when I grep:
 {{{
 $ grep -rF '7.0a'
 ...
 Browser/TorBrowser/Docs/sources/versions.moz-
 backup:TORBROWSER_VERSION=7.0a1
 Browser/TorBrowser/Docs/sources/versions:TORBROWSER_VERSION=7.0a2
 ...
 Browser/TorBrowser/Data/Browser/profile.default/prefs.js:user_pref("browser.startup.homepage_override.torbrowser.version",
 "7.0a2");
 Browser/TorBrowser/Data/Browser/profile.default/prefs.js:user_pref("extensions.lastTorBrowserVersion",
 "7.0a2");
 Browser/TorBrowser/Data/Browser/profile.default/prefs.js:user_pref("extensions.torbutton.lastBrowserVersion",
 "7.0a2");
 Browser/TorBrowser/UpdateInfo/updates/0/update.version:7.0a3
 ...
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22041>
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