Error message when trying to update a ticket

<html> <head><title>504 Gateway Time-out</title></head> <body bgcolor=“white”> <center><h1>504 Gateway Time-out</h1></center> <hr><center>nginx/1.12.2</center> </body> </html> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page -->

Infos:

Important:
If you are a Zammad Support or hosted customer and experience a technical issue, please refer to: support@zammad.com using your zammad-hostname / or company contract.

  • Used Zammad version:
  • Used Zammad installation source: (source, package, …)
  • Operating system:
  • Browser + version:

Expected behavior:

Actual behavior:

Steps to reproduce the behavior:

For the next time: Please fill in the template, it helps alot in many cases.

Check your webserver logs (whatever webserver you are using, I guess nginx) and search for errors.

My guess is that your nginx tries to establish IPv6 connect (via localhost ::1) to upstream-Zammad (puma).
This will fail, as puma only listens on IPv4, fast solution is to change upstream servers from localhost to 127.0.0.1 .

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