Jenkins fails have shown some sort of race issue that this should hopefully address.
Commit 1554113 from Mark Miller in branch 'dev/trunk'
[ https://svn.apache.org/r1554113 ]
SOLR-5587: ElectionContext implementations should use ZkCmdExecutor#ensureExists to ensure their election paths are properly created.
Commit 1554115 from Mark Miller in branch 'dev/branches/branch_4x'
[ https://svn.apache.org/r1554115 ]
Commit 1554116 from Mark Miller in branch 'dev/branches/lucene_solr_4_6'
[ https://svn.apache.org/r1554116 ]