[jira] [Created] (INFRA-8997) lares_ubuntu buildbot slave - random failure in capturing stdout

["Julian Foad (JIRA)" <ji...@apache.org>]

Julian Foad created INFRA-8997:
----------------------------------

             Summary: lares_ubuntu buildbot slave - random failure in capturing stdout
                 Key: INFRA-8997
                 URL: https://issues.apache.org/jira/browse/INFRA-8997
             Project: Infrastructure
          Issue Type: Bug
          Components: Buildbot
            Reporter: Julian Foad
            Priority: Minor


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
]]]




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