[Buildbot-commits] [Buildbot] #2281: removing a buildstep causes exception in process.py

[Buildbot]

#2281: removing a buildstep causes exception in process.py
---------------------+------------------------
Reporter:  stepchen  |       Owner:
    Type:  defect    |      Status:  new
Priority:  major     |   Milestone:  undecided
 Version:  0.8.6p1   |  Resolution:
Keywords:            |
---------------------+------------------------
Description changed by tom.prince:

Old description:

> After removing a ShellCommand step from a builder and reconfigure, we got
> the exception below in twistd.log every time the builder is scheduled to
> run. Adding a no-op ShellCommand step back works around the exception.
>
> 2012-04-12 14:29:57-0400 [-] <Build host-trunk>.startBuild
> 2012-04-12 14:29:57-0400 [-] Build.setupBuild failed
> 2012-04-12 14:29:57-0400 [-] Unhandled Error
>         Traceback (most recent call last):
>           File "/usr/lib/python2.7/site-
> packages/twisted/internet/defer.py", line 551, in _runCallbacks
>             current.result = callback(current.result, *args, **kw)
>           File "/usr/lib/python2.7/site-
> packages/twisted/internet/defer.py", line 916, in gotResult
>             _deferGenerator(g, deferred)
>           File "/usr/lib/python2.7/site-
> packages/twisted/internet/defer.py", line 891, in _deferGenerator
>             result = g.next()
>           File "/usr/lib/python2.7/site-
> packages/buildbot-0.8.6p1-py2.7.egg/buildbot/process/builder.py", line
> 378, in _startBuildFor
>             d = build.startBuild(bs, self.expectations, slavebuilder)
>         --- <exception caught here> ---
>           File "/usr/lib/python2.7/site-
> packages/buildbot-0.8.6p1-py2.7.egg/buildbot/process/build.py", line 240,
> in startBuild
>             self.setupBuild(expectations) # create .steps
>           File "/usr/lib/python2.7/site-
> packages/buildbot-0.8.6p1-py2.7.egg/buildbot/process/build.py", line 341,
> in setupBuild
>             self.progress.setExpectationsFrom(expectations)
>           File "/usr/lib/python2.7/site-
> packages/buildbot-0.8.6p1-py2.7.egg/buildbot/status/progress.py", line
> 153, in setExpectationsFrom
>             s = self.steps[name]
>         exceptions.KeyError: 'shell_2'
>
> 2012-04-12 14:29:57-0400 [-] releaseLocks(<BuildSlave 'host'>): []

New description:

 After removing a ShellCommand step from a builder and reconfigure, we got
 the exception below in twistd.log every time the builder is scheduled to
 run. Adding a no-op ShellCommand step back works around the exception.

 {{{
 2012-04-12 14:29:57-0400 [-] <Build host-trunk>.startBuild
 2012-04-12 14:29:57-0400 [-] Build.setupBuild failed
 2012-04-12 14:29:57-0400 [-] Unhandled Error
         Traceback (most recent call last):
           File "/usr/lib/python2.7/site-
 packages/twisted/internet/defer.py", line 551, in _runCallbacks
             current.result = callback(current.result, *args, **kw)
           File "/usr/lib/python2.7/site-
 packages/twisted/internet/defer.py", line 916, in gotResult
             _deferGenerator(g, deferred)
           File "/usr/lib/python2.7/site-
 packages/twisted/internet/defer.py", line 891, in _deferGenerator
             result = g.next()
           File "/usr/lib/python2.7/site-
 packages/buildbot-0.8.6p1-py2.7.egg/buildbot/process/builder.py", line
 378, in _startBuildFor
             d = build.startBuild(bs, self.expectations, slavebuilder)
         --- <exception caught here> ---
           File "/usr/lib/python2.7/site-
 packages/buildbot-0.8.6p1-py2.7.egg/buildbot/process/build.py", line 240,
 in startBuild
             self.setupBuild(expectations) # create .steps
           File "/usr/lib/python2.7/site-
 packages/buildbot-0.8.6p1-py2.7.egg/buildbot/process/build.py", line 341,
 in setupBuild
             self.progress.setExpectationsFrom(expectations)
           File "/usr/lib/python2.7/site-
 packages/buildbot-0.8.6p1-py2.7.egg/buildbot/status/progress.py", line
 153, in setExpectationsFrom
             s = self.steps[name]
         exceptions.KeyError: 'shell_2'

 2012-04-12 14:29:57-0400 [-] releaseLocks(<BuildSlave 'host'>): []
 }}}

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Ticket URL: <http://trac.buildbot.net/ticket/2281#comment:1>
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