tree 0aa4d64d49680a08e9562baa56c57331bdf55b97
parent 5550a5f225a0528fe2229d2b39db4595590ab0ea
author Michael Blow <mblow@apache.org> 1536669702 -0400
committer Michael Blow <mblow@apache.org> 1536675323 -0700

[NO ISSUE] Avoid NPE logging shutdown hooks if shutdown already in progress

Change-Id: Id7102a975bd6e2d653198067bb5b5e7573ded7e7
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2962
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>