Node.jsNode.jsError code

HPE_UNEXPECTED_CONTENT_LENGTH

hpe unexpected content length

What does this code mean?

Code HPE_UNEXPECTED_CONTENT_LENGTH · An issue reported by Node.js.

Official explanation · Original text

Server is sending both a Content-Length header and Transfer-Encoding: chunked. Transfer-Encoding: chunked allows the server to maintain an HTTP persistent connection for dynamically generated content. In this case, the Content-Length HTTP header cannot be used. Use Content-Length or Transfer-Encoding: chunked.

Troubleshooting and diagnostic links

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

Code reference
Official code description ↗
Definition and explanation · Not troubleshooting steps
General diagnostic guide
Error propagation and handling ↗
Product-wide · Not specific to this code

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

HPE_UNEXPECTED_CONTENT_LENGTH