1 reply

`MaxListenersExceededWarning` on using `tailFile.on` inside `socket` connection

(node:4068) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 update listeners added to [TailFile]. Use emitter.setMaxListeners() to increase limit

new event listners (

tailFile.on('update')

tailFile.on('update')

) are created whenever new socket connection is established, causing the above warning. what could be better wat to handle this?

TailFile

TailFile

class extends

events.EventEmitter

events.EventEmitter

import { Server } from 'socket.io'
import TailFile from './tail-file'

const tailFile = new TailFile('server.log')
tailFile.init()

const io = new Server(8000, { cors: { origin: 'http://localhost:3000' } })

io.on('connection', (socket) => {
  const queue = tailFile.get()
  socket.emit('init', queue)

  tailFile.on('update', (data) => socket.emit('update', data))
})

import { Server } from 'socket.io'
import TailFile from './tail-file'

const tailFile = new TailFile('server.log')
tailFile.init()

const io = new Server(8000, { cors: { origin: 'http://localhost:3000' } })

io.on('connection', (socket) => {
  const queue = tailFile.get()
  socket.emit('init', queue)

  tailFile.on('update', (data) => socket.emit('update', data))
})

TTC

Theo's Typesafe Cult•3y ago•

1 reply

harshcut

`MaxListenersExceededWarning` on using `tailFile.on` inside `socket` connection

(node:4068) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 update listeners added to [TailFile]. Use emitter.setMaxListeners() to increase limit

new event listners (

tailFile.on('update')

tailFile.on('update')

) are created whenever new socket connection is established, causing the above warning. what could be better wat to handle this?

TailFile

TailFile

class extends

events.EventEmitter

events.EventEmitter

import { Server } from 'socket.io'
import TailFile from './tail-file'

const tailFile = new TailFile('server.log')
tailFile.init()

const io = new Server(8000, { cors: { origin: 'http://localhost:3000' } })

io.on('connection', (socket) => {
  const queue = tailFile.get()
  socket.emit('init', queue)

  tailFile.on('update', (data) => socket.emit('update', data))
})

import { Server } from 'socket.io'
import TailFile from './tail-file'

const tailFile = new TailFile('server.log')
tailFile.init()

const io = new Server(8000, { cors: { origin: 'http://localhost:3000' } })

io.on('connection', (socket) => {
  const queue = tailFile.get()
  socket.emit('init', queue)

  tailFile.on('update', (data) => socket.emit('update', data))
})

`MaxListenersExceededWarning` on using `tailFile.on` inside `socket` connection

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