chrome, safari,ie are all normal
report an error under firefox [Firefox cannot establish a connection to the ws://~/ server]
this is the only error message
tried the setting in about:config, but it is not valid
and window.MozWebSocket is undefined
firefox version 60.0.1
it is impossible to see what caused it.
and ask all the bosses to teach
solution
Open about:config
search socket related settings
change everything that can be changed to true to true
critical step
timeout.ping.request is changed from default 0 to larger
I am about to give up this browser
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