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[BUG] MaxListenersExceededWarning: Possible EventEmitter memory leak detected. (v10) #6763

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[BUG] MaxListenersExceededWarning: Possible EventEmitter memory leak detected. (v10)#6763
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Bugthing that needs fixingPriority 2secondary priority issueRelease 10.xregression:10.x

Description

@doberkofler
doberkofler
opened on Sep 5, 2023

Is there an existing issue for this?

  • I have searched the existing issues

This issue exists in the latest npm version

  • I am using the latest npm

Current Behavior

After upgrading to npm 10, I get the following error message:

$ npm outdated
(node:53918) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(Use `node --trace-warnings ...` to show where the warning was created)

Expected Behavior

no error

Steps To Reproduce

  1. In this environment...
  2. With this config...
  3. Run '...'
  4. See error...

Environment

  • npm: 10.0.0
  • Node.js: v20.6.0
  • OS Name: macOS 13.5.1
  • System Model Name:
  • npm config:
; "user" config from /Users/doberkofler/.npmrc

//registry.npmjs.org/:_authToken = (protected)

; "project" config from /Users/doberkofler/MyDev/ljs_app/trunk/periscope/.npmrc

engine-strict = true

; node bin location = /Users/doberkofler/.nvm/versions/node/v20.6.0/bin/node
; node version = v20.6.0
; npm local prefix = /Users/doberkofler/MyDev/ljs_app/trunk/periscope
; npm version = 10.0.0
; cwd = /Users/doberkofler/MyDev/ljs_app/trunk/periscope
; HOME = /Users/doberkofler
; Run `npm config ls -l` to show all defaults.

Activity

  1. doberkofler
    added
    Bugthing that needs fixing
    Needs Triageneeds review for next steps
    Release 9.xwork is associated with a specific npm 9 release
    on Sep 5, 2023

  2. rotu commented on Sep 6, 2023

    @rotu
    rotu
    on Sep 6, 2023
    Contributor

    Possibly related? 7f81e96 probably not

  3. doberkofler
    changed the title [-][BUG] MaxListenersExceededWarning: Possible EventEmitter memory leak detected.[/-] [+][BUG] MaxListenersExceededWarning: Possible EventEmitter memory leak detected. (v10)[/+] on Sep 6, 2023
  4. saquibkhan
    added
    Release 10.x
    on Sep 7, 2023

  5. lukekarrys commented on Sep 7, 2023

    @lukekarrys
    lukekarrys
    on Sep 7, 2023
    Contributor

    @doberkofler can you run NODE_OPTIONS=--trace-warnings npm outdated and paste the output here to show where those warnings are originating from?

  6. lukekarrys commented on Sep 8, 2023

    @lukekarrys
    lukekarrys
    on Sep 8, 2023
    Contributor

    I haven't been able to reproduce this yet. I've tried running npm outdated on various large install trees with many outdated packages. I also patched the TLSSocket returned from @npmcli/agent with the following code and can only ever see 1 or 2 close events being added per socket.

          const og = socket.on
      socket.on = function (...args) {
        if (args[0] === 'close') {
          console.error('close event on socket added', socket.listenerCount('close'))
        }
        return og.apply(this, args)
      }

    @doberkofler A reproduction with a package.json or package-lock.json file would help a lot as well if possible.

  7. lukekarrys
    self-assigned this
    on Sep 8, 2023
  8. lukekarrys
    added
    Priority 2secondary priority issue
    and removed
    Needs Triageneeds review for next steps
    Release 9.xwork is associated with a specific npm 9 release
    on Sep 8, 2023

  9. rotu commented on Sep 8, 2023

    @rotu
    rotu
    on Sep 8, 2023
    Contributor

    I wonder if this has to do with this line in the agents.js connect() function which throws an [Error] (array with a single error) instead of throwing an Error.

    https://github.com/npm/agent/blob/4b2c4d1a4d005748cd9bf5066cee29f31c56d11e/lib/agents.js#L126-L128

    cli/node_modules/events/events.js

    Lines 449 to 468 in d0b7899

    function once(emitter, name) {
    return new Promise(function (resolve, reject) {
    function errorListener(err) {
    emitter.removeListener(name, resolver);
    reject(err);
    }
    function resolver() {
    if (typeof emitter.removeListener === 'function') {
    emitter.removeListener('error', errorListener);
    }
    resolve([].slice.call(arguments));
    };
    eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });
    if (name !== 'error') {
    addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });
    }
    });
    }

  10. doberkofler commented on Sep 8, 2023

    @doberkofler
    doberkofler
    on Sep 8, 2023
    Author

    This is the requested output and I attached the package-lock.json file.

    (node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
(node:19864) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:706:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:715:22)
    at internalConnectMultiple (node:net:1123:30)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)
Package         Current  Wanted        Latest  Location                     Depended by
@types/select2    3.5.6   3.5.6        4.0.58  node_modules/@types/select2  periscope
chalk             4.1.2   4.1.2         5.3.0  node_modules/chalk           periscope
dropzone          5.9.3   5.9.3  6.0.0-beta.2  node_modules/dropzone        periscope
select2           3.5.1   3.5.1    4.1.0-rc.0  node_modules/select2         periscope

    package-lock.json.zip

  11. rotu commented on Sep 8, 2023

    @rotu
    rotu
    on Sep 8, 2023
    Contributor

    Possibly also this Promise that can never resolve: https://github.com/npm/agent/blob/c51096b1903422fe14011871add7c66f9ba27189/lib/util.js#L23

  12. 10 remaining items

  13. lukekarrys
    closed this as completedon Nov 4, 2023
  14. rickysarraf
    added 2 commits that reference this issue on Nov 9, 2023

    npm --no-network-family-autoselection

    9d1e7cc

    npm --no-network-family-autoselection

    4148074

  15. lukewealth commented on Nov 29, 2023

    @lukewealth
    lukewealth
    on Nov 29, 2023

    I believe this is now fixed due to the linked Node bug above being fixed.

    sorry please i am confused. How did you fix it?

  16. mklueh commented on Nov 29, 2023

    @mklueh
    mklueh
    on Nov 29, 2023

    I'm facing the same with Yarn 4.0.2

  17. soulchild commented on Nov 30, 2023

    @soulchild
    soulchild
    on Nov 30, 2023

    I can confirm that this error is gone with the latest Node 20.10.0. Also, proxies are working again with the included npm 10.2.3.

  18. lukekarrys
    added a commit that references this issue on Dec 2, 2023

    chore: delete max listeners test

    238e3d7
  19. wraithgar
    added a commit that references this issue on Dec 4, 2023

    chore: delete max listeners test

    5a2e334

  20. chuksjoe commented on Feb 8, 2024

    @chuksjoe
    chuksjoe
    on Feb 8, 2024

    I upgraded my node version to v20.11.0 and the issue disappeared.

  21. Manraj689 commented on Mar 8, 2024

    @Manraj689
    Manraj689
    on Mar 8, 2024

    Upgraded the node version to 20.11.1, but still persists

  22. CORTEZpedr commented on Jul 23, 2024

    @CORTEZpedr
    CORTEZpedr
    on Jul 23, 2024

    I encountered the warning with the same message. After upgrading to Node.js version 20.11.0, the warning disappeared:

     ○ Compiling / ...
(node:25775) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
    at _addListener (node:events:588:17)
    at TLSSocket.addListener (node:events:606:10)
    at Readable.on (node:internal/streams/readable:904:35)
    at TLSSocket._wrapHandle (node:_tls_wrap:674:8)
    at TLSSocket.reinitializeHandle (node:_tls_wrap:683:22)
    at internalConnectMultiple (node:net:1123:30)
    at internalConnectMultiple (node:net:1177:5)
    at Timeout.internalConnectMultipleTimeout (node:net:1687:3)
    at listOnTimeout (node:internal/timers:575:11)
    at process.processTimers (node:internal/timers:514:7)

.....

✓ Compiled / in 8.1s (2406 modules)

$ node --version
v20.5.0
$ nvm install 20.11.0
Downloading and installing node v20.11.0...
Downloading https://nodejs.org/dist/v20.11.0/node-v20.11.0-linux-x64.tar.xz...
############################################################################# 100.0%
Computing checksum with sha256sum
Checksums matched!
Now using node v20.11.0 (npm v10.2.4)

    After this, the warning no longer appeared.

    ○ Compiling / ...
 ✓ Compiled / in 2.9s (2314 modules)

  23. RangaireAonair commented on Jan 16, 2025

    @RangaireAonair
    RangaireAonair
    on Jan 16, 2025

    I also encountered this problem, whit nodejs V20.9.0

    (node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(Use `node --trace-warnings ...` to show where the warning was created)
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit
(node:3684) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 close listeners added to [TLSSocket]. Use emitter.setMaxListeners() to increase limit

    It's a bit strange that I used it normally yesterday, but today it doesn't work and downloading dependencies is very slow

  24. mihocsaszilard commented on Feb 12, 2025

    @mihocsaszilard
    mihocsaszilard
    on Feb 12, 2025

    Installed node v20.11.0, the issue resolved.

  25. lukekarrys
    removed their assignment
    on Feb 25, 2025

  26. akakiplimo commented on Mar 21, 2025

    @akakiplimo
    akakiplimo
    on Mar 21, 2025

    Upgraded to the LTS(Long Term Support) v22.14.0 (npm v10.9.2) using nvm install --lts and the issue was resolved

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