2014-02-28 19:18 GMT+01:00 Igor Katson <[email protected]>: > Thanks, Roberto, > > I have periodic messages in the log saying this: > - [uwsgi-websocket] no PONG received in 3 seconds !!! > > The odd thing is that if happens, there are lots of these messages coming *at > exact same time*, and many browser pages get disconnected. Again, at > exact same time. The client code reconnects immediately, so that's not a > big deal, but it feels something is wrong. > > do you have any idea why this might happen? > > P.S. After reducing the timeout to 10, these messages are much rarer, but > still happen. As they are rare, it's hard to tell if they come at the same > time, cause uwsgi does not log timestamps on non-request output. By the > way, is there a way for uwsgi to to that? > > P.P.S. This error seems to happen right after "uwsgi.websocket_send()" was > called in the code provided. The browser receives the message, but the next > second there's websocket.onerror called. > > Hi Igor, I'am using uwsgi-2.0.2 and I also sometimes see: [uwsgi-websocket] no PONG received in 3 seconds !!!
This happens, whenever the browser goes idle, for instance, when the screen saver of my laptop activates. Unfortunately, in Javascript this does not trigger a Websocket onerror event, otherwise it would be easy to have the browser reconnect to the server. - Jacob
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