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Re: lares_ubuntu buildbot slave - random failure in capturing stdout

From: Daniel Shahaf <d.s_at_daniel.shahaf.name>
Date: Thu, 8 Jan 2015 14:16:03 +0000

Stefan Fuhrmann wrote on Thu, Jan 08, 2015 at 15:03:09 +0100:
> Hey Julian,
>
> Thank you so much for looking into this!
> Once this one gets fixed, there will be one less
> source of blood pressure spikes.
>

Isn't there a way to mark the build as purple (buildbot-level problem)
as opposed to red (project-level problem) when the 'git --version' or
'svn info --xml' step fails?

Daniel

> -- Stefan^2.
>
>
> On Wed, Jan 7, 2015 at 4:03 PM, Julian Foad <julianfoad_at_btopenworld.com>
> wrote:
>
> > Dear builds.at.a.o people,
> >
> > The build slave http://ci.apache.org/buildslaves/lares_ubuntu
> > has spurious failures. This slave is used for RAT build testing for the
> > Subversion project, and for several other builders.
> >
> > The failure mode is it sometimes fails to see the stdout from programs it
> > runs (such as 'svn info --xml' or 'git --version'). Examples can be seen in
> > about 1 in 10 of the builds it attempts. Look at the "stdio log" of
> > attempts that failed on step 1. Recent examples:
> >
> > http://ci.apache.org/builders/svn-trunk-rat-report/builds/958
> > http://ci.apache.org/builders/log4j2-nightly/builds/210
> > http://ci.apache.org/builders/openjpa-1.2.x-docs/builds/201
> > http://ci.apache.org/builders/openjpa-1.0.x-docs/builds/197
> >
> > An example of a broken attempt, from
> >
> > http://ci.apache.org/builders/log4j2-nightly/builds/210/steps/git/logs/stdio
> > [[[
> > git --version
> > in dir /home/buildslave2/slave2/log4j2-nightly/build (timeout 1200 secs)
> > watching logfiles {}
> > argv: ['git', '--version']
> > environment:
> > [...]
> > using PTY: True
> > program finished with exit code 0
> > elapsedTime=0.011104
> > ]]]
> >
> > An example of a working attempt (note the "git version 1.9.1" line), from
> >
> > http://ci.apache.org/builders/log4j2-nightly/builds/211/steps/git/logs/stdio
> > [[[
> > git --version
> > in dir /home/buildslave2/slave2/log4j2-nightly/build (timeout 1200 secs)
> > watching logfiles {}
> > argv: ['git', '--version']
> > environment:
> > [...]
> > using PTY: True
> > git version 1.9.1
> > program finished with exit code 0
> > elapsedTime=0.011104
> > ]]]
> >
> > This has been happening for weeks/months. For a long time we in the
> > Subversion project were wondering if it was a bug in 'svn info --xml', but
> > now I see it is not specific to Subversion and also affects other projects.
> >
> > Please can someone look into it?
> >
> > - Julian
> >
Received on 2015-01-08 15:16:37 CET

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