[Users] engine-setup on rhel6.2 generates error

I am trying to run engine-setup utility on rhels6.2 machines to configure ovirt-engine but get an error while starting jboss. (Exception: Error while updating jboss ROOT.war directory) Any ideas what is happening? Thanks Andrei oVirt Engine will be installed using the following configuration: ================================================================= http-port: 80 https-port: 443 host-fqdn: xx.cluster.net auth-pass: ******** org-name: NASA LaRC default-dc-type: NFS db-remote-install: local db-local-pass: ******** config-nfs: no override-iptables: no Proceed with the configuration listed above? (yes|no): yes Installing: Configuring oVirt-engine... [ DONE ] Creating CA... [ DONE ] Editing JBoss Configuration... [ ERROR ] Error while updating jboss ROOT.war directory Please check log file /var/log/ovirt-engine/engine-setup_2012_05_15_12_23_53.log for more information /var/log/ovirt-engine/engine-setup_2012_05_15_12_23_53.log: File "/usr/share/ovirt-engine/scripts/setup_controller.py", line 54, in runAllSequences sequence.run() File "/usr/share/ovirt-engine/scripts/setup_sequences.py", line 152, in run step.run() File "/usr/share/ovirt-engine/scripts/setup_sequences.py", line 59, in run function() File "/usr/bin/engine-setup", line 906, in _editRootWar raise Exception(output_messages.ERR_EXP_UPD_ROOT_WAR) Exception: Error while updating jboss ROOT.war directory