[tor-bugs] #23673 [Internal Services/Service - trac]: Trac and mod_wsgi errors in apache

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#23673: Trac and mod_wsgi errors in apache
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     Reporter:  hiro                              |      Owner:  qbi
         Type:  defect                            |     Status:  new
     Priority:  Medium                            |  Milestone:
    Component:  Internal Services/Service - trac  |    Version:
     Severity:  Normal                            |   Keywords:
Actual Points:                                    |  Parent ID:
       Points:                                    |   Reviewer:
      Sponsor:                                    |
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 I have been seing a wsgi error in apache triggering from trac:

 {{{
 mod_wsgi (pid=23506): Exception occurred processing WSGI script
 '/srv/trac.torproject.org/wsgi/trac.wsgi'.
 Traceback (most recent call last):
 File "/srv/trac.torproject.org/wsgi/trac.wsgi", line 9, in application
 return trac.web.main.dispatch_request(environ, start_response)
 File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 581, in
 dispatch_request
 return _dispatch_request(req, env, env_error)
 File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 620, in
 _dispatch_request
 send_internal_error(env, req, sys.exc_info())
 File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 751, in
 send_internal_error
 req.send_error(exc_info, status=500, env=env, data=data)
 File "/usr/lib/python2.7/dist-packages/trac/web/api.py", line 732, in
 send_error
  exc_info)
 File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 613, in
 _dispatch_request
 dispatcher.dispatch(req)
 File "/usr/lib/python2.7/dist-packages/trac/web/main.py", line 253, in
 dispatch
 resp = chosen_handler.process_request(req)
 File "/usr/lib/python2.7/dist-packages/trac/ticket/query.py", line 994, in
 process_request
 format, filename=filename)
 File "/usr/lib/python2.7/dist-packages/trac/mimeview/api.py", line 1066,
 in send_converted
 req.write(content)
 File "/usr/lib/python2.7/dist-packages/trac/web/api.py", line 833, in
 write
 self._write(''.join(buf))
 IOError: Apache/mod_wsgi failed to write response data: Broken pipe
 }}}

 Investigating this as a trac error but it could be also a mod_wsgi problem
 in apache.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23673>
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