upstream sent invalid status "-1 Copy failed" while reading response header from upstream
mdounin at mdounin.ru
Mon Oct 27 14:03:15 UTC 2014
On Sat, Oct 25, 2014 at 09:21:49PM -0400, NaZz wrote:
> I have a joomla website and when I am trying to update a larger extension I
> get bad gateway (502) error.
> I am able to update all small (normal) extensions.
> I am getting this error in nginx error log: "upstream sent invalid status
> "-1 Copy failed" while reading response header from upstream"
The message suggests your upstream server returned an invalid
response, with "-1 Copy failed" in it instead of a valid HTTP
status. You have to dig into your upstream server to find out
what goes on there.
More information about the nginx