[Buildbot-devel] Shell command that cannot describe itself

[Amber Yust]

What version of Twisted are you using?

~Amber

On Fri, Dec 3, 2010 at 8:29 AM, Almad <bugs at almad.net> wrote:

> Hi,
> in my factory, I have a boring ShellCommand created like that:
>
> ShellCommand(command=['sudo', 'aptitude', 'update'], **{})
>
> However, for some reason and unlike another steps in same factory,
> RemoteShellCommand is not created properly.
> Any hints on that? Using 0.8.0.
>
> Thanks,
>
> Almad
>
> 2010-12-03 16:52:44+0100 [-] Unhandled Error
>        Traceback (most recent call last):
>          File "/usr/lib/python2.5/site-packages/twisted/internet/defer.py",
> line 195, in addCallback
>            callbackKeywords=kw)
>          File "/usr/lib/python2.5/site-packages/twisted/internet/defer.py",
> line 186, in addCallbacks
>            self._runCallbacks()
>          File "/usr/lib/python2.5/site-packages/twisted/internet/defer.py",
> line 328, in _runCallbacks
>            self.result = callback(self.result, *args, **kw)
>          File "/usr/lib/python2.5/site-
> packages/buildbot/process/buildstep.py", line 742, in _startStep_2
>            self.step_status.setText(self.describe(False))
>        --- <exception caught here> ---
>          File "/usr/lib/python2.5/site-packages/buildbot/steps/shell.py",
> line 144, in describe
>            if len(words) < 1:
>        exceptions.TypeError: object of type 'NoneType' has no len()
> 2010-12-03 16:52:44+0100 [-] buildbot-mongodb-status: Step
> 4cf9124cdc30b36873000005 for build 4cf9123ddc30b36873000000 started
> 2010-12-03 16:52:44+0100 [-]
> ShellCommand.startCommand(cmd=<RemoteShellCommand
> 'None'>)
> 2010-12-03 16:52:44+0100 [-]   cmd.args = {'workdir': 'build', 'env': None,
> 'want_stderr': 1, 'logfiles': {}, 'logEnviron': True, 'timeout': 1200,
> 'want_stdout':
>  1, 'usePTY': 'slave-config', 'maxTime': None}
> 2010-12-03 16:52:44+0100 [-] Error describing step
> 2010-12-03 16:52:44+0100 [-] Unhandled Error
>        Traceback (most recent call last):
>          File "/usr/lib/python2.5/site-packages/twisted/internet/defer.py",
> line 328, in _runCallbacks
>            self.result = callback(self.result, *args, **kw)
>          File "/usr/lib/python2.5/site-
> packages/buildbot/process/buildstep.py", line 753, in _startStep_2
>            skip = self.start()
>          File "/usr/lib/python2.5/site-packages/buildbot/steps/shell.py",
> line 224, in start
>            self.startCommand(cmd, warnings)
>          File "/usr/lib/python2.5/site-
> packages/buildbot/process/buildstep.py", line 1017, in startCommand
>            self.step_status.setText(self.describe(False))
>        --- <exception caught here> ---
>          File "/usr/lib/python2.5/site-packages/buildbot/steps/shell.py",
> line 144, in describe
>            if len(words) < 1:
>        exceptions.TypeError: object of type 'NoneType' has no len()
> 2010-12-03 16:52:44+0100 [-] <RemoteShellCommand 'None'>: RemoteCommand.run
> [4]
> 2010-12-03 16:52:44+0100 [-] command 'None' in dir 'build'
> 2010-12-03 16:52:44+0100 [-] LoggedRemoteCommand.start
> 2010-12-03 16:52:44+0100 [-] BuildStep.failed, traceback follows
> 2010-12-03 16:52:44+0100 [-] Unhandled Error
>        Traceback (most recent call last):
>        Failure: buildbot.slave.commands.base.AbandonChain
> 2010-12-03 16:52:44+0100 [-] addHTMLLog(err.html)
> 2010-12-03 16:52:44+0100 [-] exception during failure processing
> 2010-12-03 16:52:44+0100 [-] Unhandled Error
>        Traceback (most recent call last):
>          File "/usr/lib/python2.5/site-packages/twisted/internet/defer.py",
> line 328, in _runCallbacks
>            self.result = callback(self.result, *args, **kw)
>          File "/usr/lib/python2.5/site-packages/twisted/internet/defer.py",
> line 243, in callback
>            self._startRunCallbacks(result)
>          File "/usr/lib/python2.5/site-packages/twisted/internet/defer.py",
> line 312, in _startRunCallbacks
>            self._runCallbacks()
>          File "/usr/lib/python2.5/site-packages/twisted/internet/defer.py",
> line 328, in _runCallbacks
>            self.result = callback(self.result, *args, **kw)
>        --- <exception caught here> ---
>          File "/usr/lib/python2.5/site-
> packages/buildbot/process/buildstep.py", line 854, in failed
>            self.addHTMLLog("err.html", formatFailure(why))
>          File "/usr/lib/python2.5/site-
> packages/buildbot/process/buildstep.py", line 933, in addHTMLLog
>            self.step_status.addHTMLLog(name, html)
>          File
> "/usr/lib/python2.5/site-packages/buildbot/status/builder.py",
> line 993, in addHTMLLog
>            w.logFinished(self.build, self, log)
>          File "/var/lib/python-support/python2.5/bbmongostatus/status.py",
> line 295, in logFinished
>            step.db_step['stdout'] =
> ''.join(log.readlines(LOG_CHANNEL_STDOUT))
>        exceptions.AttributeError: HTMLLogFile instance has no attribute
> 'readlines'
>
>
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