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Asked: 2026-05-26T14:46:24+00:00

Suddenly I started getting HTTP 200 with zero byte content for every request handled

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Suddenly I started getting HTTP 200 with zero byte content for every request handled by Django.

This problem has appeared in past, too, and seemed to randomly disappear.
I see a debug view when I make syntax errors, but if the code executes fine, I get a blank page.

I tried resetting Apache, moving project directory, removing .pyc‘s—what next?

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  1. Editorial Team

    This mistake scores highest on stupidness * impact measure among all I’ve ever made.

    I upload changes to our server via SFTP, and I got a short connection outage during last round of changes. Apparently, it happened exactly the moment I was uploading base.html, the base template for them all. The file was overwritten as zero byte empty file, and Django was correctly serving it.

    Two things I’ve learned:

    • to never trust SFTP clients;
    • to inspect diff with HEAD when a problem occurs.
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