when i submitted job with the following command without PBS,it did work 
[bh@gram2 lib]$ globusrun-ws -submit -c /bin/date
Submitting job...Done.
Job ID: uuid:28724aa6-d625-11db-93ba-00306e2290f3
Termination time: 03/20/2007 14:21 GMT
Current job state: Active
Current job state: CleanUp
Current job state: Done
but when i submitted job with the following command with PBS,i got the
delegation error
[bh@gram2 lib]$globusrun-ws -submit -Ft PBS -s -c /bin/date
Delegating user credentials...Failed.
globusrun-ws: Error trying to delegate
Error querying delegation factories
globus_soap_message_module: SOAP Fault
Fault code: soapenv:Server.generalException
i don't known where it was wrong,would you be so kind as to tell me how 
to do
regards!