jenkinsci/youtrack-plugin — pull request #4 by joecastro (2014-08-07 23:43:23+00:00)
Title: Creating issue on failed build job

Posting for your consideration.
I'm not sure why the original is working for you and not for me. PUT apparently doesn't work, but POST does. I wound up changing more than I meant to while diagnosing what was happening, so you may not want to take all of this.