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MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 unpipe listeners added to [FluentTransport]. Use emitter.setMaxListeners() to increase limit

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
javascript, node.js
Domain
backend

Research direction

Start by reproducing the warning from the reported app startup and inspect how FluentTransport manages its unpipe listeners. Confirm whether the listeners accumulate during the usage shown in the issue; done means the reported scenario no longer emits the warning, with the underlying cause explained.

Written by the indexing model from the issue text.

Description

I using fluent. But it warns when starting the app: (node:1) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 unpipe listeners added to [FluentTransport]. Use emitter.setMaxListeners() to increase limit

My warning:
Screen Shot 2022-08-27 at 00 05 15

My code:
Screen Shot 2022-08-27 at 00 07 35

Dominant language
JavaScript
Stars
258
Forks
82
PR merge metrics
No merged PRs in 30d

Getting set up

This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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