diff --git a/server/servlet_handlers.go b/server/servlet_handlers.go
index eaebba4..1dc7c45 100644
--- a/server/servlet_handlers.go
+++ b/server/servlet_handlers.go
@@ -21,7 +21,11 @@ func (sh *ServletHandlers) Invoke(requestCodec protocol.RegistryCodec) (result i
 
 	result, err = sh.RPCRegistry.Invoke(requestCodec)
 	if nil != err {
-
+		if params, pErr := requestCodec.Params(); nil != err {
+			logging.Logger().Error(fmt.Sprintf("RPC Servlet Handler: Read Param of Method[%s] returns error %v", requestCodec.Method(), pErr))
+		} else {
+			logging.Logger().Error(fmt.Sprintf("RPC Servlet Handler: Method[%s] params[%v] returns error %v", requestCodec.Method(), params, err))
+		}
 	}
 
 	return