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ERR_INSPECTOR_ALREADY_CONNECTED

inspector already connected

What does this code mean?

Code ERR_INSPECTOR_ALREADY_CONNECTED · An issue reported by Node.js.

Official explanation · Original text

While using the node:inspector module, an attempt was made to connect when the inspector was already connected.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

Errors | Node.js v26.13.1 Documentation ↗

Creator: Node.js contributors; Joyent, Inc. and other Node contributors
License: MIT License (Node.js documentation)
Checked on: 2026-11-12

Modifications: English prose extracted; whitespace normalized; Korean context and classified official links added. Python code examples not redistributed.

Source details · Original licenses and notices