Exit with exit/1 on handler exception and include class in reason

src/cowboy_websocket.erl

@@ -350,14 +350,15 @@ handler_call(State=#state{handler=Handler}, Req, HandlerState,
 			websocket_close(State, Req2, HandlerState2, stop)
 	catch Class:Reason ->
 		_ = websocket_close(State, Req, HandlerState, {crash, Class, Reason}),
-		erlang:Class([
+		exit({cowboy_handler, [
+			{class, Class},
 			{reason, Reason},
 			{mfa, {Handler, Callback, 3}},
 			{stacktrace, erlang:get_stacktrace()},
 			{msg, Message},
 			{req, cowboy_req:to_list(Req)},
 			{state, HandlerState}
-		])
+		]})
 	end.
 
 -spec websocket_send(cow_ws:frame(), #state{}) -> ok | stop | {error, atom()}.