Diagnostic agent not connecting to solman (Java.lang.ThreadDeath in com.sap.engine.services.rmi_p4.P4ObjectBrokerClientImpl.close())

Hi Experts,

I am trying to connect diagnostic agent to solman.

I run the command

./smdsetup.sh managingconf hostname:'sap.psamer.ps.is.com' port:'8040' user:'SMD_AGT' pwd:'pass'

i waited for 1 days but didnt connected

in the logs i Found

Warning Thread.stop() called using java.lang.ThreadDeath in com.sap.engine.services.rmi_p4.P4ObjectBrokerClientImpl.close()

User Id is correct  password is also correct and i gave sap all authorization to SMD_AGT User .

Earlier agent was connect .

Dont know what happed to in last few days .

Please help

Thanks

Pramod