Websocket appError

I in order to realize the real-time barrage, using features of websocket real-time communication, my custom a websocket server, other configuration files do not make any configuration, but when I use the online tool to test and give me back the following information, in VaadinService, I can’t find the reason, since the help.

167|for(;;);[{“changes”:{},“resources”:{},“locales”:{},“meta”:{“appError”:{“caption”:“通讯问题”,“url”:null,“message”:“请留意任何未保存的数据,点击这里继续”,“details”:null}},“syncId”:-1}]

this is the return message

image代码![通讯问题|690x390]

通讯问题

我也遇到了同样的问题,不知道楼主解决没有

Hi,
Please use this forum: https://forum.cuba-platform.cn/
for Chinese-language discussions.

Thanks.