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yaoweibin / ngx_http_substitutions_filter_module

a filter module which can do both regular expression and fixed string substitutions for nginx
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[alert] the http output chain is empty while sending to client upstream fastcgi #47

Open droplinxuser opened 1 year ago

droplinxuser commented 1 year ago

Those alerts/errors are produce with this module is enabled on some PHP pages. Using Nginx 1.25.1 on Ubuntu 22.04.

droplinxuser commented 1 year ago

Complete log: [alert] 131332#131332: *218555 the http output chain is empty while sending to client, client: 1.2.3.4, server: site.org, request: "GET /file.php HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "site.org"

yaoweibin commented 1 year ago

Is there any problem when you see such alerts?

droplinxuser @.***> 于2023年9月6日周三 08:55写道：

Complete log: [alert] 131332#131332: *218555 the http output chain is empty while sending to client, client: 1.2.3.4, server: site.org, request: "GET /file.php HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "site.org "

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droplinxuser commented 1 year ago

Yes, when that happens, the page doesn't finish loading the whole page; it just sticks at loading and fails after several seconds.

With my thousand PHP-powered pages, it happens only on one page, though. What I do for now is use subs_filter_bypass to disable running this module on that specific page.