WLSE uses SNMP trap and SYSLOG to notify other NMS systems of failures/faults, IDS events in the network.
Try this to WLSE integration with HP openview:
Use WLSE to create fault policies or thresholds you want to monitor
Use WLSE to enable monitoring for IDS events of interest Specify HP NNM or other server as the SNMP trap or SYSLOG receiver from the fault notifications screen on WLSE.