Questions tagged [503-error]

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8 votes
2 answers
6k views

How can I make Nginx return HTTP 503 when my proxied app server is down?

I have an nginx web server sitting in front of a Jetty Java app server running a web application. I'd like to configure nginx to return a HTTP 503 if the proxied Jetty server is down. This way when ...
Richard Nichols's user avatar
9 votes
1 answer
14k views

How can I make nginx always return a HTTP 503?

I am using HAproxy in front of an app that is on multiple other servers. I would like to set up a vhost in a local nginx instance that only serves a 503 for every request (to use as the 'backup' ...
Dave Forgac's user avatar
  • 3,596
6 votes
6 answers
39k views

Exchange 2013 ECP/OWA/Outlook all failing - 503 Service Unavailable

My exchange server is really suffering at the moment. I do not know what has happened but when I connect via https (ECP/OWA) or via outlook (with in the network) I get 503 errors on ECP/OWA and ...
Simon's user avatar
  • 231
5 votes
1 answer
11k views

haproxy 1.5 specific source IP address show <NOSRV> 503 SC in haproxy log

I have an unusual problem (as everyone does on this site). I have HAProxy listening on port 80 and 443. I am offloading SSL encryption to HAproxy and passing all traffic to my web servers on port 80. ...
Brad's user avatar
  • 51
5 votes
2 answers
5k views

Win2k8R2 / IIS 7.5 - users getting 503 response, no 503 error reported in logs

I've got 2 web servers with mirrored content. There's a load balancer sitting in front of them. Starting yesterday we've been getting people complaining about 503 errors. i can't find any 503 errors ...
merk's user avatar
  • 214
3 votes
2 answers
5k views

Configure nginx to serve a 503 if a file exists

I'm trying to setup nginx to return a 503 if a particular file exists (probably something like "upgrading"). I'm trying to use the try_files directive, but when it finds the /upgrading.html file, it ...
Bialecki's user avatar
  • 157