diff --git a/internal/server/rpc/gateway_rpc_servlet_handlers.go b/internal/server/rpc/gateway_rpc_servlet_handlers.go
index fb86dae..4cf870b 100644
--- a/internal/server/rpc/gateway_rpc_servlet_handlers.go
+++ b/internal/server/rpc/gateway_rpc_servlet_handlers.go
@@ -24,6 +24,17 @@ type GatewayRPCServletHandlers struct {
 }
 
 func (sh *GatewayRPCServletHandlers) Invoke(servletCTX rpc.ServletContext, requestCodec protocol.RegistryCodec) (result interface{}, err error) {
+	defer func ()  {
+		if nil != err {
+			logging.Logger().Errorf("Gateway Websocket: Inovke error %v", err)
+		}
+
+		if !requestCodec.HasResponse() {
+			result = nil
+			err = nil
+		}
+	}
+
 	md := servletCTX.GetAttribute(oogw.GRPCMetadataKey)
 	if nil == md {
 		md = metadata.Pairs(
@@ -36,23 +47,31 @@ func (sh *GatewayRPCServletHandlers) Invoke(servletCTX rpc.ServletContext, reque
 
 	grpcCTX := metadata.NewOutgoingContext(context.Background(), md.(metadata.MD))
 
-	params, err := requestCodec.Params()
+	var (
+		grpcResult string
+		params []string
+	)
+
+	params, err = requestCodec.Params()
 	if nil != err {
-		return nil, err
+		return
 	}
 
-	r, err := grpc.Exec(grpcCTX, requestCodec.Method(), params)
+	grpcResult, err = grpc.Exec(grpcCTX, requestCodec.Method(), params)
 	if err != nil {
-		return nil, err
+		return
 	}
 
-	var m interface{}
-	err = json.Unmarshal([]byte(r), &m)
+	if !requestCodec.HasResponse() {
+		return
+	}
+	
+	err = json.Unmarshal([]byte(grpcResult), &result)
 	if err != nil {
-		return nil, err
+		return
 	}
 
-	return m, nil
+	return
 }
 
 func (sh *GatewayRPCServletHandlers) Validate() {
diff --git a/internal/server/rpc/rpc_gateway_servlet_handlers.go b/internal/server/rpc/rpc_gateway_servlet_handlers.go
index 30b1973..a8f1a95 100644
--- a/internal/server/rpc/rpc_gateway_servlet_handlers.go
+++ b/internal/server/rpc/rpc_gateway_servlet_handlers.go
@@ -70,8 +70,6 @@ func (sh *RPCGatewayServletHandlers) Handle(soc cwf.Socket, stopChan <-chan stru
 	var err error
 	rpcServlet := retainRPCServlet(sh.gwRPCSH, sh.rpcRWCSH)
 
-	// rpcServlet := cRPC.NewServlet(sh.gwRPCSH, sh.rpcRWCSH)
-
 	defer func() {
 		rpcServlet.Stop()
 		releaseRPCServlet(rpcServlet)