[tbb-bugs] #21745 [Applications/Tor Browser]: Catch-all circuits are not working properly in ESR 52 based Tor Browser

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#21745: Catch-all circuits are not working properly in ESR 52 based Tor Browser
-------------------------------------+-------------------------------------
     Reporter:  gk                   |      Owner:  tbb-team
         Type:  defect               |     Status:  new
     Priority:  High                 |  Milestone:
    Component:  Applications/Tor     |    Version:
  Browser                            |   Keywords:  tbb-torbutton,
     Severity:  Normal               |  tbb-7.0-must, ff52-esr,
                                     |  TorBrowserTeam201703
Actual Points:                       |  Parent ID:  #21201
       Points:                       |   Reviewer:
      Sponsor:                       |
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 Looking at the console I see often output like
 {{{
 [03-15 07:54:18] Torbutton INFO: tor SOCKS:
 https://www.torproject.org/projects/torbrowser/RecommendedTBBVersions via
 :dceca4bdbd10c5b87865edd4fac205eb
 [03-15 07:54:18] Torbutton INFO: Failed to get credentials or browser from
 channel
 }}}
 It seems this is caused by `isolateCircuitsByDomain()` not throwing
 anymore if there is no domain to isolate the request to. We should take
 care of that as that probably breaks our catch-all circuit handling.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21745>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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