Description of problem:
Having a BPM cluster with two nodes (using EAP 6.4.4 in a domain mode), attempt to create and organizational unit via UI ended up in an indefinite loop (circle spinning, nothing in a server log). Trying to shut down the EAP in this situation failed and java processes of the application server had to be killed. Please see attached server logs and jstack output for more details. The jstack output suggests there is still the operation creating org. unit waiting.

Version-Release number of selected component (if applicable):
6.2.0.ER5

How reproducible:
time to time the cluster fails to stop