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ERR_WORKER_MESSAGING_SAME_THREAD

worker messaging same thread

What does this code mean?

Code ERR_WORKER_MESSAGING_SAME_THREAD · An issue reported by Node.js.

Official explanation · Original text

The thread id requested in postMessageToThread() is the current thread id.

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