WebSocket is already in CLOSING or CLOSED state

I am working on a web application that transfers comet data from the server to applications. when I use the application, the web socket is disconnected from the server, and because of this, I miss some data in the web application interface. this caused a serious problem that I have to solve.

server - berth 7.

the client is developed using jquery 1.4.2.js and jquery.cometd.js and cometd.js javascript libraries as a java web application.

runs through the HAProxy load balancer.

application

deployed in nginx 1.4.2

Any suggestion to solve this problem?

FYI:

I tried a google search, suggestions for upgrading to jetty9, do I need to upgrade the pier? will this only solve the problem? do i also need to upgrade jquery version along with comet libraries java script?

rate your valuable feedback

comet SYMBOl|TStamp|Prev TStamp >> MUNSHAAT`R|09:39:31|93917   
SYM OLD NSNO|old|new >> MUNSHAAT`R|666|687   
onDisconnect KSE - Disconnecting comet.   
commetApi KSE - reconnect   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
onHandshake KSE- Status = true   
commetApi KSE - reconnect   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
commetApi KSE - onsubscribe   
onConnect KSE   
Price call: GET   
Price call: GET   
XHR finished loading: GET "https:///example/price?RT=25"
XHR finished loading: GET "https://example/price?RT=27"
onDisconnect KSE - Disconnecting comet.   
commetApi KSE - reconnect   
commetApi KSE - onsubscribe   
WebSocket is already in CLOSING or CLOSED state. cometd.js? 
commetApi KSE - onsubscribe   
WebSocket is already in CLOSING or CLOSED state. cometd.js? 
commetApi KSE - onsubscribe   
WebSocket is already in CLOSING or CLOSED state. cometd.js? 
commetApi KSE - onsubscribe   
WebSocket is already in CLOSING or CLOSED state. cometd.js? 
commetApi KSE - onsubscribe   
WebSocket is already in CLOSING or CLOSED state. cometd.js? 
commetApi KSE - onsubscribe   
WebSocket is already in CLOSING or CLOSED state. cometd.js? 
onConnect KSE   
comet sym|hed|data >> KSE|E,INS,S,TT,LTP,LTQ,CHG,PCHG,TYPE,SPL,SNO,OL|KSE|0|SAFTEC`R|064004|51.0|20000|-1.0|-1.92|S|1|693|0   
came in SYMBOl|TStamp|Prev TStamp >> SAFTEC`R|09:40:04|93931   

- regrds, rangana

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Source: https://habr.com/ru/post/1541038/


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