Add support for handling ranch errors

src/error_logger_lager_h.erl

@@ -178,6 +178,19 @@ log_event(Event, State) ->
                                 "Cowboy handler ~p terminated in ~p:~p/~p with reason: ~s",
                                 [Module, Module, Function, Arity, format_reason({Reason, StackTrace})])
                     end;
+                "Ranch listener "++_ ->
+                    %% Ranch errors
+                    ?CRASH_LOG(Event),
+                    case Args of
+                        [Ref, _Protocol, Worker, {[{reason, Reason}, {mfa, {Module, Function, Arity}}, {stacktrace, StackTrace} | _], _}] ->
+                            ?LOGFMT(error, Worker,
+                                "Ranch listener ~p terminated in ~p:~p/~p with reason: ~s",
+                                [Ref, Module, Function, Arity, format_reason({Reason, StackTrace})]);
+                        [Ref, _Protocol, Worker, Reason] ->
+                            ?LOGFMT(error, Worker,
+                                "Ranch listener ~p terminated with reason: ~s",
+                                [Ref, format_reason(Reason)])
+                    end;
                 "webmachine error"++_ ->
                     %% Webmachine HTTP server error
                     ?CRASH_LOG(Event),