upstream sent invalid status "-1 Copy failed" while reading response header from upstream

Lukas Tribus luky-37 at
Wed Oct 29 15:39:59 UTC 2014

> I don't understand this "upstream" "upstream" "upstream backend server".
> The upstream is served by fastcgi - fpm.sock on my own server. How do I
> attend this problem?
> Where do I dig exactly?

PHP or its FastCGI/FPM interface.


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