Oracle 9.2.0.1 on MS Windows XP SP 1

Repository database is up running
Listener is up running
jre is in PATH
SQLNET.AUTHENTICATION_SERVICES= (None) in sqlnet.ora fle

oms.nohup file
==============
OEMCTL for Windows NT: Version 9.2.0.1.0 Production
Copyright (c) 1998, 2002, Oracle Corporation. All rights reserved.
Starting the Oracle Management Server...VXA-3008 : Starting OMS Services, Wait.

java.lang.NullPointerException:
at oracle.sysman.vxx.vxxo.VxxoEMORB.getName(VxxoEMORB.java:735)
at oracle.sysman.vxx.vxxo.VxxoEMORB.deregister(VxxoEMORB.java:467)
at oracle.sysman.vdg.VdgAgentGatewayImpl.killService(VdgAgentGatewayImpl.java:599)
at oracle.sysman.vxa.VxaAppServer.connectionLost(VxaAppServer.java:1482)
at oracle.sysman.vdg.VdgAgentGatewayImpl.initiateExitAndRestart(VdgAgentGatewayImpl.java:689)
at oracle.sysman.vdg.vdgConn.VdgConnection.pollForConnectionEvents(VdgConnection.java:2087)
at oracle.sysman.vdg.vdgConn.VdgListenThread.inConnPollLoop_(VdgListenThread.java:427)
at oracle.sysman.vdg.vdgConn.VdgListenThread.run(VdgListenThread.java:362)
at oracle.sysman.vtaGallery.threadPoolManager.WorkerThread.run(Worker.java:271)
...
java.lang.NullPointerException:
at java.util.Hashtable.get(Hashtable.java:259)
at oracle.sysman.vxa.VxaAppServer.connectionLost(VxaAppServer.java:1474)
at oracle.sysman.vdg.VdgAgentGatewayImpl.initiateExitAndRestart(VdgAgentGatewayImpl.java:689)
at oracle.sysman.vdg.vdgConn.VdgConnection.pollForConnectionEvents(VdgConnection.java:2087)
at oracle.sysman.vdg.vdgConn.VdgListenThread.inConnPollLoop_(VdgListenThread.java:427)
at oracle.sysman.vdg.vdgConn.VdgListenThread.run(VdgListenThread.java:362)
at oracle.sysman.vtaGallery.threadPoolManager.WorkerThread.run(Worker.java:271)
"Could not start management server. Initialization failure"

Event log
=========
The service has terminated abnormally. See the file C:\oracle\ora92\sysman\log\oms.nohup for details.
AND
The process termination failed for JRE. %2.


From cmd
========
C:\oracle\ora92\bin>oemctl start oms
The OracleOraHome92ManagementServer service is starting.......
The OracleOraHome92ManagementServer service could not be started.

The service did not report an error.

More help is available by typing NET HELPMSG 3534.

From Service startup
====================
"The OracleOraHome92MangementServer service on Local Computer started and then stopped. Some Service stop automatically if they have no work to do, for exmaple, the Performance Logs and Alerts service"

Anyone can help?

Thanks