ActionCabel issue - Connections cannot be established with probability

[liuziyuan]

Steps to reproduce

F5 to Refresh browser, the code is

const auction = ActionCable.createConsumer().subscriptions.create({
channel: 'AuctionChannel',
auction_id: '1',
user_id: '2'
}, {
connected () {
console.log('-----message client connected ------------')
},
disconnected () {
console.log('-----message client disconnected ------------')
}

Expected behavior

will be show console

console.log('-----message client connected ------------')

when connected ,then show :

Actual behavior

sometimes , Don't show connected log
if not connect , then show :

System configuration

Rails version:
5.1.4
Ruby version:
2.4.1

[rails-bot]

This issue has been automatically marked as stale because it has not been commented on for at least three months.
The resources of the Rails team are limited, and so we are asking for your help.
If you can still reproduce this error on the 5-1-stable branch or on master, please reply with all of the information you have about it in order to keep the issue open.
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