Thanks Mark! I had not seen all of those reports. I shall investigate.
Terry
From: jenkinsci-users@googlegroups.com
[mailto:jenkinsci-users@googlegroups.com] On Behalf Of Mark Waite
Sent: Tuesday, May 19, 2015 7:16 PM
To: jenkinsci-users@googlegroups.com
Subject: Re: Git polling: could not lock
There are a few bug reports which might give you hints of things to try.
The bug reports do not mention your specific case (File exists), but the
ideas may help you explore the problem further.
https://issues.jenkins-ci.org/browse/JENKINS-21914 - matches your error
message, but I can't duplicate
