Build failed in Jenkins: system-sync_mirrors-centos-kvm-common-el7-x86_64 #2737

See <http://jenkins.ovirt.org/job/system-sync_mirrors-centos-kvm-common-el7-x86_64/2737/display/redirect>

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Started by timer
Running as SYSTEM
[EnvInject] - Loading node environment variables.
Building remotely on mirrors.phx.ovirt.org (mirrors) in workspace <http://jenkins.ovirt.org/job/system-sync_mirrors-centos-kvm-common-el7-x86_64/ws/>
No credentials specified
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url http://gerrit.ovirt.org/jenkins.git # timeout=10
Cleaning workspace
 > git rev-parse --verify HEAD # timeout=10
Resetting working tree
 > git reset --hard # timeout=10
 > git clean -fdx # timeout=10
Pruning obsolete local branches
Fetching upstream changes from http://gerrit.ovirt.org/jenkins.git
 > git --version # timeout=10
 > git fetch --tags --progress http://gerrit.ovirt.org/jenkins.git +refs/changes/59/95959/1:test --prune
 > git rev-parse origin/test^{commit} # timeout=10
 > git rev-parse test^{commit} # timeout=10
Checking out Revision 05b40dfb4ec43a82530e8c471395d1858e5c59e1 (test)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 05b40dfb4ec43a82530e8c471395d1858e5c59e1
Commit message: "mirror-reposync: remove gluster-3.10 mirror"
 > git rev-list --no-walk 05b40dfb4ec43a82530e8c471395d1858e5c59e1 # timeout=10
[system-sync_mirrors-centos-kvm-common-el7-x86_64] $ /bin/bash -xe /tmp/jenkins7477368550401470113.sh
+ jenkins/scripts/mirror_mgr.sh resync_yum_mirror centos-kvm-common-el7 x86_64 jenkins/data/mirrors-reposync.conf
Checking if mirror needs a resync
Traceback (most recent call last):
  File "/usr/bin/reposync", line 373, in <module>
    main()
  File "/usr/bin/reposync", line 185, in main
    my.doRepoSetup()
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 681, in doRepoSetup
    return self._getRepos(thisrepo, True)
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 721, in _getRepos
    self._repos.doSetup(thisrepo)
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 157, in doSetup
    self.retrieveAllMD()
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 88, in retrieveAllMD
    dl = repo._async and repo._commonLoadRepoXML(repo)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1468, in _commonLoadRepoXML
    local  = self.cachedir + '/repomd.xml'
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 777, in <lambda>
    cachedir = property(lambda self: self._dirGetAttr('cachedir'))
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 760, in _dirGetAttr
    self.dirSetup()
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 738, in dirSetup
    self._dirSetupMkdir_p(dir)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 715, in _dirSetupMkdir_p
    raise Errors.RepoError, msg
yum.Errors.RepoError: Error making cache directory: /home/jenkins/mirrors_cache/fedora-base-fc29/gen error was: [Errno 17] File exists: '/home/jenkins/mirrors_cache/fedora-base-fc29/gen'
Build step 'Execute shell' marked build as failure