[tor-bugs] #30162 [Applications/Tor Browser]: Tor Browser bootsrap process got stuck after changing bridges sometimes

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#30162: Tor Browser bootsrap process got stuck after changing bridges sometimes
-------------------------------------+-------------------------------------
     Reporter:  gk                   |      Owner:  tbb-team
         Type:  defect               |     Status:  new
     Priority:  High                 |  Milestone:
    Component:  Applications/Tor     |    Version:
  Browser                            |   Keywords:  tbb-mobile,
     Severity:  Normal               |  tbb-8.5-must, TorBrowserTeam201904
Actual Points:                       |  Parent ID:  #27609
       Points:                       |   Reviewer:
      Sponsor:                       |
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 I am still trying to figure out good steps to reproduce that bug but if
 you click on the gear icon and configure bridges then during bootstrap
 click again and change them or get back to start without bridges then you
 end up with a broken bootstrap process saying:
 {{{
 SUCCESS connected to Tor control port.
 Cookie Auth file not created
 Unable to start Tor: java.io.Exception: Cookie Auth file not created:
 /data/user/0/org.torproject.torbrowser_alpha/app_torservice/lib/tor/control_auth_cookie,
 len = 0
 }}}
 There is usually no way to recover from that and one has to start over
 again by kiling the app.

 That's with the TOPL changes landed.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30162>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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