[Buildbot-commits] [Buildbot] #2301: buildbot waterfall page shows error after reconfig

[Buildbot]

#2301: buildbot waterfall page shows error after reconfig
---------------------+------------------------
Reporter:  pwp       |       Owner:
    Type:  defect    |      Status:  new
Priority:  critical  |   Milestone:  undecided
 Version:  0.8.6p1   |  Resolution:
Keywords:  reconfig  |
---------------------+------------------------
Description changed by tom.prince:

Old description:

> buildbot waterfall page shows the following errors after reconfig
>
> ---------
> web.Server Traceback (most recent call last):
> <type 'exceptions.AttributeError'>: 'NoneType' object has no attribute
> 'getStatus'
>
> /usr/lib/python2.6/dist-packages/twisted/web/server.py, line 125 in
> process
> 123    try:
> 124      resrc = self.site.getResourceFor(self)
> 125      self.render(resrc)
> 126    except:
> Self
> site
> buildbot.status.web.baseweb.RotateLogSite instance @ 0xa0165a8
> <buildbot.status.web.baseweb.RotateLogSite instance at 0xa0165a8>
> Locals
> resrc   <buildbot.status.web.waterfall.WaterfallStatusResource object at
> 0xb01bf50>
> self
> twisted.web.server.Request instance @ 0x8e084d0
> <GET /waterfall?reload=900 HTTP/1.1>
> /usr/lib/python2.6/dist-packages/twisted/web/server.py, line 132 in
> render
> 130  def render(self, resrc):
> 131    try:
> 132      body = resrc.render(self)
> 133    except UnsupportedMethod, e:
> Locals
> resrc   <buildbot.status.web.waterfall.WaterfallStatusResource object at
> 0xb01bf50>
> self
> twisted.web.server.Request instance @ 0x8e084d0
> <GET /waterfall?reload=900 HTTP/1.1>
> Globals
> UnsupportedMethod       <class 'twisted.web.error.UnsupportedMethod'>
> /usr/local/lib/python2.6/dist-
> packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/base.py, line 324
> in render
> 322      return ''
> 323
> 324    ctx = self.getContext(request)
> 325
> Locals
> self    <buildbot.status.web.waterfall.WaterfallStatusResource object at
> 0xb01bf50>
> request
> twisted.web.server.Request instance @ 0x8e084d0
> <GET /waterfall?reload=900 HTTP/1.1>
> /usr/local/lib/python2.6/dist-
> packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/base.py, line 196
> in getContext
> 194class ContextMixin(AccessorMixin):
> 195  def getContext(self, request):
> 196    status = self.getStatus(request)
> 197    rootpath = path_to_root(request)
> Locals
> self    <buildbot.status.web.waterfall.WaterfallStatusResource object at
> 0xb01bf50>
> request
> twisted.web.server.Request instance @ 0x8e084d0
> <GET /waterfall?reload=900 HTTP/1.1>
> Globals
> ContextMixin    <class 'buildbot.status.web.base.ContextMixin'>
> AccessorMixin   <class 'buildbot.status.web.base.AccessorMixin'>
> path_to_root    function path_to_root in file /usr/local/lib/python2.6
> /dist-packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/base.py at
> line 111
> /usr/local/lib/python2.6/dist-
> packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/base.py, line 182
> in getStatus
> 180class AccessorMixin(object):
> 181  def getStatus(self, request):
> 182    return request.site.buildbot_service.getStatus()
> 183
> Locals
> self    <buildbot.status.web.waterfall.WaterfallStatusResource object at
> 0xb01bf50>
> request
> twisted.web.server.Request instance @ 0x8e084d0
> <GET /waterfall?reload=900 HTTP/1.1>
> Globals
> AccessorMixin   <class 'buildbot.status.web.base.AccessorMixin'>
> /usr/local/lib/python2.6/dist-
> packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/baseweb.py, line
> 498 in getStatus
> 496
> 497  def getStatus(self):
> 498    return self.master.getStatus()
> 499
> Self
> master  None
> Locals
> self
> buildbot.status.web.baseweb.WebStatus instance @ 0x52ea830
> <WebStatus on port tcp:8010 at 0x52ea830>
> <type 'exceptions.AttributeError'>: 'NoneType' object has no attribute
> 'getStatus'
>

> ---------
>

> Reproduce steps:
> ---
> open waterfall page and leave it open
> buildbot reconfig
> refresh waterfall page
> ---
> 2 out of 3 times you will see these errors.
> The only way is to close browser and reopen the page.
> 0.8.4 does not have this issue after using for long time.

New description:

 buildbot waterfall page shows the following errors after reconfig

 {{{
 ---------
 web.Server Traceback (most recent call last):
 <type 'exceptions.AttributeError'>: 'NoneType' object has no attribute
 'getStatus'

 /usr/lib/python2.6/dist-packages/twisted/web/server.py, line 125 in
 process
 123    try:
 124      resrc = self.site.getResourceFor(self)
 125      self.render(resrc)
 126    except:
 Self
 site
 buildbot.status.web.baseweb.RotateLogSite instance @ 0xa0165a8
 <buildbot.status.web.baseweb.RotateLogSite instance at 0xa0165a8>
 Locals
 resrc   <buildbot.status.web.waterfall.WaterfallStatusResource object at
 0xb01bf50>
 self
 twisted.web.server.Request instance @ 0x8e084d0
 <GET /waterfall?reload=900 HTTP/1.1>
 /usr/lib/python2.6/dist-packages/twisted/web/server.py, line 132 in render
 130  def render(self, resrc):
 131    try:
 132      body = resrc.render(self)
 133    except UnsupportedMethod, e:
 Locals
 resrc   <buildbot.status.web.waterfall.WaterfallStatusResource object at
 0xb01bf50>
 self
 twisted.web.server.Request instance @ 0x8e084d0
 <GET /waterfall?reload=900 HTTP/1.1>
 Globals
 UnsupportedMethod       <class 'twisted.web.error.UnsupportedMethod'>
 /usr/local/lib/python2.6/dist-
 packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/base.py, line 324
 in render
 322      return ''
 323
 324    ctx = self.getContext(request)
 325
 Locals
 self    <buildbot.status.web.waterfall.WaterfallStatusResource object at
 0xb01bf50>
 request
 twisted.web.server.Request instance @ 0x8e084d0
 <GET /waterfall?reload=900 HTTP/1.1>
 /usr/local/lib/python2.6/dist-
 packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/base.py, line 196
 in getContext
 194class ContextMixin(AccessorMixin):
 195  def getContext(self, request):
 196    status = self.getStatus(request)
 197    rootpath = path_to_root(request)
 Locals
 self    <buildbot.status.web.waterfall.WaterfallStatusResource object at
 0xb01bf50>
 request
 twisted.web.server.Request instance @ 0x8e084d0
 <GET /waterfall?reload=900 HTTP/1.1>
 Globals
 ContextMixin    <class 'buildbot.status.web.base.ContextMixin'>
 AccessorMixin   <class 'buildbot.status.web.base.AccessorMixin'>
 path_to_root    function path_to_root in file /usr/local/lib/python2.6
 /dist-packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/base.py at
 line 111
 /usr/local/lib/python2.6/dist-
 packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/base.py, line 182
 in getStatus
 180class AccessorMixin(object):
 181  def getStatus(self, request):
 182    return request.site.buildbot_service.getStatus()
 183
 Locals
 self    <buildbot.status.web.waterfall.WaterfallStatusResource object at
 0xb01bf50>
 request
 twisted.web.server.Request instance @ 0x8e084d0
 <GET /waterfall?reload=900 HTTP/1.1>
 Globals
 AccessorMixin   <class 'buildbot.status.web.base.AccessorMixin'>
 /usr/local/lib/python2.6/dist-
 packages/buildbot-0.8.6p1-py2.6.egg/buildbot/status/web/baseweb.py, line
 498 in getStatus
 496
 497  def getStatus(self):
 498    return self.master.getStatus()
 499
 Self
 master  None
 Locals
 self
 buildbot.status.web.baseweb.WebStatus instance @ 0x52ea830
 <WebStatus on port tcp:8010 at 0x52ea830>
 <type 'exceptions.AttributeError'>: 'NoneType' object has no attribute
 'getStatus'
 }}}


 ---------


 Reproduce steps:

 1. open waterfall page and leave it open
 2. buildbot reconfig
 3. refresh waterfall page

 2 out of 3 times you will see these errors.
 The only way is to close browser and reopen the page.
 0.8.4 does not have this issue after using for long time.

--

-- 
Ticket URL: <http://trac.buildbot.net/ticket/2301#comment:1>
Buildbot <http://buildbot.net/>
Buildbot: build/test automation