Articles/JavaScript

EMFILE in Node.js — What It Means and How to Fix It

What the Node.js/npm error EMFILE means and how to resolve it.

Published October 25, 2026

EMFILE means the process has too many files open at once, exceeding the operating system's limit.

Key points

  • Common in applications that open files or sockets without closing them, or that need a higher open-file limit configured on the OS
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