Why is Chrome Showing 'net::ERR_INCOMPLETE_CHUNKED_ENCODING'?

Chrome net::ERR_INCOMPLETE_CHUNKED_ENCODING Error: A Client-Side Problem

For months, developers have encountered the "net::ERR_INCOMPLETE_CHUNKED_ENCODING" error in Chrome. Symptoms include truncated files, hanging pages, and console errors. Intriguingly, the issue only affects certain users despite using the same server and Chrome version.

The Culprit: Antivirus Software

To most developers' surprise, the culprit behind this error lies in their antivirus software, specifically ESET NOD32 ANTIVIRUS 5 and Kaspersky Anti-Virus. When Real-Time protection is enabled, the issue manifests, while disabling it remedies the problem.

Cause Analysis

The exact mechanism by which antivirus software interferes with HTTP chunked encoding is still unclear. However, it is speculated that the scanning performed by the antivirus software interferes with the transfer of chunked data, leading to incomplete encoding.

Recommended Solution

To resolve this issue, it is recommended to temporarily disable Real-Time protection or use HTTP 1.0 instead of HTTP 1.1. However, neither of these is a long-term solution.

Further Investigation

Developers are encouraged to report this issue to their antivirus vendors and provide any relevant information to assist in finding a permanent fix. Meanwhile, monitoring updates and patches for both Chrome and antivirus software may mitigate the problem in the future.

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