Affects Version/s: 6.1.0 CE GA1, 6.1.10 EE GA1, 6.2.0 CE M2
How to reproduce:
1) Config cluster environment.
2) Enable cluster and start node1, deploy a portlet that schedule a job
3) Enable cluster ant start node2, deploy the same portlet.
4) Check job is running in only one node.
5) Shut down the node job is running on.
6) Check job is not running in the other node.
After fix, for 6) job should run in the other node.