[jira] [Created] (INFRA-9019) Investigate apparent network issues on jenkins slaves

["Bill Farner (JIRA)" <ji...@apache.org>]

Bill Farner created INFRA-9019:
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             Summary: Investigate apparent network issues on jenkins slaves
                 Key: INFRA-9019
                 URL: https://issues.apache.org/jira/browse/INFRA-9019
             Project: Infrastructure
          Issue Type: Task
          Components: Jenkins
            Reporter: Bill Farner


We have two jenkins jobs, both of which seem to experience sporadic network issues.  Our build job pretty routinely times out resolving artifacts, and our review bot occasionally (~every few days) fails with a DNS resolution error.

The build bot experienced three failures in a row:
{noformat}
Failed > Console Output  #759	Jan 14, 2015 8:08:07 PM	 
Failed > Console Output  #758	Jan 14, 2015 7:08:47 PM	 
Failed > Console Output  #757	Jan 14, 2015 5:51:01 PM
{noformat}

These three builds ran on ubuntu-1, ubuntu-5, and ubuntu-6, respectively.

They all failed while trying to resolve reviews.apache.org:
{noformat}
Traceback (most recent call last):
  File "./build-support/jenkins/review_feedback.py", line 211, in <module>
    main()
  File "./build-support/jenkins/review_feedback.py", line 158, in main
    if not _needs_reply(server, request):
  File "./build-support/jenkins/review_feedback.py", line 94, in _needs_reply
    latest_diff = _get_latest_diff_time(server, request)
  File "./build-support/jenkins/review_feedback.py", line 73, in _get_latest_diff_time
    diffs = server.get_resource(request['links']['diffs']['href'])['diffs']
  File "./build-support/jenkins/review_feedback.py", line 51, in get_resource
    return json.loads(self.get_resource_data(href, args=args, data=data))
  File "./build-support/jenkins/review_feedback.py", line 44, in get_resource_data
    result = urllib2.urlopen(request, data=data)
  File "/usr/lib/python2.7/urllib2.py", line 127, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.7/urllib2.py", line 404, in open
    response = self._open(req, data)
  File "/usr/lib/python2.7/urllib2.py", line 422, in _open
    '_open', req)
  File "/usr/lib/python2.7/urllib2.py", line 382, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/urllib2.py", line 1222, in https_open
    return self.do_open(httplib.HTTPSConnection, req)
  File "/usr/lib/python2.7/urllib2.py", line 1184, in do_open
    raise URLError(err)
urllib2.URLError: <urlopen error [Errno -2] Name or service not known>
{noformat}

I'm wondering if logs on these systems indicate any network issues around these times.



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