[Buildbot-devel] Force Build Button problems ...

[Andre LaBranche]

The salient error appears to be:

> .CannotListenError: Couldn't listen on any:3001:
> (98, 'Address already in use')

Possibly because you are asking twice for the web status listener. The  
'already in use' message is fairly self-explanatory. Try removing  
these two lines:

> from buildbot.status.html import WebStatus
> c['status'].append(WebStatus(3001))

Also, verify that all the buildbot python processes are terminated  
before attempting to start it again.

HTH,
-dre

On Aug 18, 2009, at 6:09 AM, Kiffin Gish wrote:

> Hi there.
>
> If I try to enable the force build button as follows:
>
> # -----
> from buildbot.status import html
> c['status'].append(html.WebStatus(http_port=3001, allowForce=True))
>
> from buildbot.status.html import WebStatus
> c['status'].append(WebStatus(3001))
> # -----
>
> I get the following error message when I start buildbot:
>
> # -----
> 2009-08-18 15:09:03+0200 [-] Unhandled error in Deferred:
> 2009-08-18 15:09:03+0200 [-] Unhandled Error
> 	Traceback (most recent call last):
> 	  File
> "/usr/lib/python2.4/site-packages/buildbot-0.7.11p3-py2.4.egg/ 
> buildbot/master.py", line 795, in <lambda>
> 	    d.addCallback(lambda res: self.loadConfig_status(status))
> 	  File
> "/usr/lib/python2.4/site-packages/buildbot-0.7.11p3-py2.4.egg/ 
> buildbot/master.py", line 967, in loadConfig_status
> 	    d.addCallback(addNewOnes)
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/internet/defer.py", line 195, in addCallback
> 	    callbackKeywords=kw)
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/internet/defer.py", line 186, in addCallbacks
> 	    self._runCallbacks()
> 	--- <exception caught here> ---
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/internet/defer.py", line 328, in _runCallbacks
> 	    self.result = callback(self.result, *args, **kw)
> 	  File
> "/usr/lib/python2.4/site-packages/buildbot-0.7.11p3-py2.4.egg/ 
> buildbot/master.py", line 964, in addNewOnes
> 	    s.setServiceParent(self)
> 	  File
> "/usr/lib/python2.4/site-packages/buildbot-0.7.11p3-py2.4.egg/ 
> buildbot/status/web/baseweb.py", line 541, in setServiceParent
> 	    service.MultiService.setServiceParent(self, parent)
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/application/service.py", line 185, in  
> setServiceParent
> 	    self.parent.addService(self)
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/application/service.py", line 304, in addService
> 	    service.privilegedStartService()
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/application/service.py", line 273, in  
> privilegedStartService
> 	    service.privilegedStartService()
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/application/internet.py", line 85, in  
> privilegedStartService
> 	    self._port = self._getPort()
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/application/internet.py", line 115, in _getPort
> 	    return getattr(reactor, 'listen%s' % (self.method,))(
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/internet/posixbase.py", line 356, in listenTCP
> 	    p.startListening()
> 	  File
> "/usr/lib/python2.4/site-packages/Twisted-8.2.0-py2.4-linux- 
> x86_64.egg/twisted/internet/tcp.py", line 858, in startListening
> 	    raise CannotListenError, (self.interface, self.port, le)
> 	twisted.internet.error.CannotListenError: Couldn't listen on any: 
> 3001:
> (98, 'Address already in use').
> 	
>
> The buildmaster took more than 10 seconds to start, so we were  
> unable to
> confirm that it started correctly. Please 'tail twistd.log' and look  
> for
> a
> line that says 'configuration update complete' to verify correct
> startup.
> # -----
>
> What's going wrong and how can I fix this?
>
> -- 
> Kiffin Gish
> Interapy Nederland BV
> Keizersgracht 424-4
> 1016 GC Amsterdam
>
> T: +31 (0)20 798 8300
> F: +31 (0)20 798 8399
> M: +31 (0)61 405 2604
> E: kgish at interapy.nl
> I: www.interapy.nl
>
>
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