http://builds.cask.co/browse/CDAP-DUT847-2
But its happening on develop as well - https://builds.cask.co/browse/CDAP-DUT-JOB1-364/test/case/5556165
Haven't see the issue now. If it's produced again, please reopen.
Its actually very common right now. Even the last build has failed - https://builds.cask.co/browse/CDAP-DUT-368. I think we should keep this open to track.
Haven't seen this in the past week. Will re-open if it re-surfaces.