[Trac-tickets] [The Trac Project] #2783: fcgi wrapper shouldn't report "Internal Error" on catching SystemExit

[The Trac Project]

#2783: fcgi wrapper shouldn't report "Internal Error" on catching SystemExit
-----------------------------------------------+----------------------------
 Reporter:  matthew.johnston at health.wa.gov.au  |       Owner:  jonas
     Type:  defect                             |      Status:  new  
 Priority:  normal                             |   Milestone:       
Component:  general                            |     Version:  0.9.3
 Severity:  normal                             |    Keywords:       
-----------------------------------------------+----------------------------
 When trac is run under FastCGI 2.4.2 (with Apache 2.2.0, Python 2.4.2), it
 sometimes prints a traceback at the bottom after rendering pages (see
 below). As far as I can tell this is harmless, it's just that the
 trac.fcgi wrapper is catching all exceptions, including !SystemExit which
 gets throw by sys.exit(). Adding a "except !SystemExit: pass" in trac.fcgi
 gets rid of the tracebacks.
 Perhaps it should check for an exitcode of 0, I'm not sure.

 Traceback:
 Oops...

 Trac detected an internal error:

 0

 Traceback (most recent call last):
   File "/usr/local/share/trac/cgi-bin/trac.fcgi", line 20, in ?
     fcgi_frontend.run()
   File "/usr/local/stow/trac-0.9.3/lib/python2.4/site-
 packages/trac/web/fcgi_frontend.py", line 28, in run
     _fcgi.Server(_handler).run()
   File "/usr/local/stow/trac-0.9.3/lib/python2.4/site-
 packages/trac/web/_fcgi.py", line 1049, in run
     sock = self._setupSocket()
   File "/usr/local/stow/trac-0.9.3/lib/python2.4/site-
 packages/trac/web/_fcgi.py", line 994, in _setupSocket
     req.run()
   File "/usr/local/stow/trac-0.9.3/lib/python2.4/site-
 packages/trac/web/_fcgi.py", line 580, in run
     self._end(appStatus, protocolStatus)
   File "/usr/local/stow/trac-0.9.3/lib/python2.4/site-
 packages/trac/web/_fcgi.py", line 606, in _end
     sys.exit(appStatus)
 SystemExit: 0

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Ticket URL: <http://projects.edgewall.com/trac/ticket/2783>
The Trac Project <http://trac.edgewall.com/>