Did some further research and it's possible these issues are related to: JENKINS-24380 <https://issues.jenkins-ci.org/browse/JENKINS-24380>
This was recently released in 1.597, so I'm giving it a shot. The changelog <http://jenkins-ci.org/changelog> and associated wiki have some good details. -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/b294b309-4b7e-4f98-bdc0-007d9b86bc3a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.