ERROR Jetty9ThreadPoolForServer-5345 net.sf.j2ep.ProxyFilter - Incoming method could not be handled net.sf.j2ep.factories.MethodNotAllowedException: Status code 405 from server

Hi Team,

I am receiving following error message when I try to login ArcSight Command Center using SAML2 authentication 

ERROR Jetty9ThreadPoolForServer-5345 net.sf.j2ep.ProxyFilter - Incoming method could not be handled
net.sf.j2ep.factories.MethodNotAllowedException: Status code 405 from server

Any Ideas what is this error means.

Regards,

Thenraj R