Log HTTP handler exceptions

src/ejabberd_http.erl

@@ -370,7 +370,15 @@ process(Handlers, Request) ->
 			HandlerModule:socket_handoff(
 			  LocalPath, Request, HandlerOpts);
 		    false ->
-			HandlerModule:process(LocalPath, Request)
+                        try
+                            HandlerModule:process(LocalPath, Request)
+                        catch
+                            Class:Reason:Stack ->
+                                ?ERROR_MSG(
+                                   "HTTP handler crashed: ~s",
+                                   [misc:format_exception(2, Class, Reason, Stack)]),
+                                erlang:raise(Class, Reason, Stack)
+                        end
 		end,
             ejabberd_hooks:run(http_request_debug, [{LocalPath, Request}]),
             R;