Failed to construct stop command for proc

Unable to bring up SOA OPMN server in 10g, it is being times out even though increased start timeout in opmn.xml.

Got below in opmn logs ==>

11/10/15 14:09:11 [internal] Logging disabled
11/10/15 14:13:23 [ons-internal] ONS server initiated
11/10/15 14:13:23 [pm-internal] PM state directory exists: /gembin/oracle/product/10.1.3/SOA/opmn/logs/states
11/10/15 14:13:23 [pm-internal] OPMN server ready.  Request handling enabled.
11/10/15 14:13:23 [pm-requests] Request 3 Started.  Command: /start?process-type=HTTP_Server
11/10/15 14:13:23 [pm-process] Starting Process: HTTP_Server~HTTP_Server~HTTP_Server~1 (1623668328:0)
11/10/15 14:13:26 [pm-process] Process Alive: HTTP_Server~HTTP_Server~HTTP_Server~1 (1623668328:26696)
11/10/15 14:13:26 [pm-requests] Request 3 Completed. Command: /start?process-type=HTTP_Server
11/10/15 14:13:41 [pm-requests] Request 8 Started.  Command: /start?process-type=home
11/10/15 14:13:41 [pm-process] Starting Process: default_group~home~default_group~1 (1623668329:0)
11/10/15 14:14:16 [pm-process] Process Alive: default_group~home~default_group~1 (1623668329:26760)
11/10/15 14:14:16 [pm-requests] Request 8 Completed. Command: /start?process-type=home
11/10/15 14:14:18 [pm-requests] Request 10 Started.  Command: /start?process-type=oc4j_soa
11/10/15 14:14:18 [pm-process] Starting Process: soa_group~oc4j_soa~soa_group~1 (1623668330:0)
11/10/15 14:24:19 [pm-requests] Request 10 Completed. Command: /start?process-type=oc4j_soa
11/10/15 14:24:19 [pm-process] Stopping Process: soa_group~oc4j_soa~soa_group~1 (1623668330:26883)
11/10/15 14:24:19 [libopmnoc4j] Process Stop Error: soa_group~oc4j_soa~soa_group~1 (1623668330:26883)
11/10/15 14:24:19 [libopmnoc4j] Failed to construct stop command for proc: 1623668330
11/10/15 14:24:19 [libopmnoc4j] Forcefully Terminating Process: soa_group~oc4j_soa~soa_group~1 (1623668330:26883)
11/10/15 14:24:21 [pm-process] Process Stopped: soa_group~oc4j_soa~soa_group~1 (1623668330:26883)
11/10/15 14:52:48 [pm-internal] OPMN server stopped.  Request handling disabled.

Solution ==>

Check for corrupted files and replace with back up files if you have and Remove below lock files

• scheduler_SCHEDULER_AIA_events.lock
• scheduler_SCHEDULER_AIA_notifications.lock.

Folder Location:      ORACLE_HOME /j2ee/oc4j_soa/persistence/oc4j_soa_soa_group_1