[tor-bugs] #24224 [Core Tor/Torflow]: When a torflow circuit fails, it is very noisy

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#24224: When a torflow circuit fails, it is very noisy
----------------------------------+-------------------
     Reporter:  teor              |      Owner:  tom
         Type:  defect            |     Status:  new
     Priority:  Medium            |  Milestone:
    Component:  Core Tor/Torflow  |    Version:
     Severity:  Normal            |   Keywords:
Actual Points:                    |  Parent ID:  #4079
       Points:                    |   Reviewer:
      Sponsor:                    |
----------------------------------+-------------------
 This was logged for a single circuit failure when an outgoing connection
 was blocked by my firewall:
 {{{
 WARN[Fri Nov 10 23:14:36 2017]:Error building circ: ("551 Couldn't start
 circuit",)
 NOTICE[Fri Nov 10 23:14:36 2017]:Closing stream 452
 ERROR[Fri Nov 10 23:14:36 2017]:An unknown HTTP error occured
 Traceback (most recent call last):
   File "bwauthority_child.py", line 148, in http_request
     reply = urllib2.urlopen(request, context=context)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py",
 line 154, in urlopen
     return opener.open(url, data, timeout)
 WARN[Fri Nov 10 23:14:36 2017]:No circuit for 452 circ: 0
 WARN[Fri Nov 10 23:14:36 2017]:Stream 452 FAILED from no circuit with
 reason: DESTROY
 WARN[Fri Nov 10 23:14:36 2017]:No circuit for 452 circ: 0
 WARN[Fri Nov 10 23:14:36 2017]:Stream 452 CLOSED from no circuit with
 reason: DESTROY
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py",
 line 429, in open
     response = self._open(req, data)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py",
 line 447, in _open
     '_open', req)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py",
 line 407, in _call_chain
     result = func(*args)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py",
 line 1241, in https_open
     context=self._context)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py",
 line 1195, in do_open
     h.request(req.get_method(), req.get_selector(), req.data, headers)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py",
 line 1042, in request
     self._send_request(method, url, body, headers)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py",
 line 1082, in _send_request
     self.endheaders(body)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py",
 line 1038, in endheaders
     self._send_output(message_body)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py",
 line 882, in _send_output
     self.send(msg)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py",
 line 844, in send
     self.connect()
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py",
 line 1255, in connect
     HTTPConnection.connect(self)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py",
 line 821, in connect
     self.timeout, self.source_address)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/socket.py",
 line 566, in create_connection
     sock.connect(sa)
   File "../libs/SocksiPy/socks.py", line 369, in connect
     self.__negotiatesocks5(destpair[0],destpair[1])
   File "../libs/SocksiPy/socks.py", line 236, in __negotiatesocks5
     raise Socks5Error((ord(resp[1]),_socks5errors[ord(resp[1])]))
 Socks5Error: (1, 'general SOCKS server failure')
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24224>
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