jenkins:get-jobs fails against instance with authentication

[ashortland]

The get-jobs command fails when executed against a Jenkins instance with authentication enabled:

[anthony@centos63 third-party-pygments-rpm]$ rerun jenkins:get-job --jobname rerun-modules-apache-maven-master --file config.xml --jenkins-url http://services.dtosolutions.com:8080 --username anthony --password *********
-:1.1: Document is empty

^
-:1.1: Start tag expected, '<' not found

^
ERROR: *** command failed: jenkins:get-job. ***