Multiple gateways with socket.io get (disconnect listeners added to [Socket])

[aviadhadidainx]

Bug Report
Current behavior
Using multiple gateway (Same socket io server).
When there a connection we get 'Possible EventEmitter memory leak detected. X disconnect listeners added to [Socket]'

It looks like for every gateway for every connection is subscribed to disconnect event(Also connect). Look on image below:

image
The file is ws-adapter.js

Expected behavior
Not to get this warning or at least understand what can cause it and what is the risk

Possible Solution
N/A

Environment

Nest version: 7.6.11

I also tried to update to latest but with no success

For Tooling issues:

• Node version: 12.16.3
• Platform: Windows

Attached example project that reproduce this issue.
When you start the project you can see the warning on logs..

https://github.com/nestjs/nest/issues/7228

[aviadhadidainx]

16-gateways-ws.zip
Example with reproudction project is attached.. I just took the Gateway example and added 10 more gateways

[jmcdo29]

Is this related to #7249?

[aviadhadidainx]

Looks like it is related.. But not 100% sure

[kamilmysliwiec]

Can you please provide a minimum reproduction repository (and make it available through Github)?

[aviadhadidainx]

https://github.com/aviadhadidainx/nestjs-ws-bug

[aviadhadidainx]

@kamilmysliwiec I updated the issue 13 days ago with repo and project that reproduce.
I think you missed it because now i guess this is enough for clarification. Correct? If no let me know and i will add what you need

[aviadhadidainx]

@kamilmysliwiec Any updates? Maybe this issue needs another label?

[genadis]

I believe it is related to: #6026 (comment)

[kamilmysliwiec]

Let's track this here #7249