Firefox cannot establish a link to the websocket server

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

Http javascript firefox websocket

Mar.19,2021

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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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3206d-2bde7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3206d-2bde7.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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