IO Exception while connecting to Jasper Server using iReport Designer Pro 5.5.0

I am trying to connect Jasper Server-Pro (local & Production server) via Jaspersoft iReport Designer Professional 5.5.0 by providing my right Credentials but am getting following Exception

Error:

;nested exception is;

java.io.IOException:Attempted Read on close

Any Reason for this?? and how to overcome this?

but I can able to connect via Jaspersoft Studio Professional

please find attachment for Error reference