[AMBARI-25928] Continuous increase of websocket connections in Ambari web UI

• Type: Technical task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 3.0.0
• Component/s: ambari-server
• Assignee: zrain
• Reporter: caijialiang
• Created: 14/Apr/23 06:52
• Updated: 20/May/24 12:06
• Resolved: 08/May/24 03:49

Description

How to reproduce: Open Ambari UI page and use Chrome to view the websocket connections. At the beginning, there is only one connection. After a few minutes, it is observed that the connections keep increasing infinitely. If the page is refreshed, the number of connections will return to one, and then continue to increase.

 

2023-04-14 14:23:19,062  INFO [MessageBroker-1] WebSocketMessageBrokerStats:128 - WebSocketSession[2 current WS(2)-HttpStream(0)-HttpPoll(0), 258459 total, 0 closed abnormally (0 connect failure, 0 send limit, 171 transport error)], stompSubProtocol[processed CONNECT(258377)-CONNECTED(258377)-DISCONNECT(0)], stompBrokerRelay[null], inboundChannel[pool size = 4, active threads = 0, queued tasks = 0, completed tasks = 2109843], outboundChannel[pool size = 4, active threads = 3, queued tasks = 0, completed tasks = 1747340], sockJsScheduler[pool size = 2, active threads = 1, queued tasks = 0, completed tasks = 193]
2023-04-14 14:23:20,256  INFO [MessageBroker-1] WebSocketMessageBrokerStats:128 - WebSocketSession[3 current WS(3)-HttpStream(0)-HttpPoll(0), 18 total, 0 closed abnormally (0 connect failure, 0 send limit, 0 transport error)], stompSubProtocol[processed CONNECT(18)-CONNECTED(18)-DISCONNECT(15)], stompBrokerRelay[null], inboundChannel[pool size = 10, active threads = 0, queued tasks = 0, completed tasks = 415155], outboundChannel[pool size = 10, active threads = 0, queued tasks = 0, completed tasks = 138408], sockJsScheduler[pool size = 2, active threads = 1, queued tasks = 0, completed tasks = 193] 

 

 

 

 

Issue Links

• links to: GitHub PR#3783