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5
votes
2answers
1k 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 ...
4
votes
4answers
7k views

How do I resolve a 503 Server Unavailable connection error on VMware ESXi?

I have a VMware ESXi server which has been up and running for nearly 200 days. The past few days, when I try to connect to it using the VMware vSphere Client, I am unable to connect. After entering my ...
3
votes
1answer
2k views

Varnish 503 when delivering a slow page

Varnish keeps throwing 503 Service Unavailable when trying to load a page that takes longer to generate on the web server. In varnishlog I can see an FetchError c http read error: 0 error, though ...
3
votes
2answers
2k views

mod_proxy returns 503 errors even after proxied service is back up

I have a setup with Apache2 as a front-end server for multiple python apps served by gunicorn. My Apache2 setup using mod_proxy looks like this: <VirtualHost *:80> ServerName example.com ...
3
votes
5answers
832 views

What could be causing random image/css dropping, 503 errors on a apache/php hosting website?

I host my PHP website on shared hosting. It's worked well for a year. All of a sudden last week it started to randomly drop images, sometimes does not load the CSS file, and often gets 503 errors. ...
3
votes
2answers
1k views

HTTP Error 503. The service is unavailable. On Windows 2008 with iisstart.htm

We're getting "HTTP Error 503. The service is unavailable.". Googling has provided lots of near hits, but none have worked so far. The flow is: - confirm all app pools started - open browser to ...
3
votes
1answer
1k views

Nginx with Passenger behind HAProxy causes 503 errors

Over the last month I was forced to learn a lot of things about server configuration, integration, AWS, etc. I have never done these to this extent. I got everything up and running well for my app ...
2
votes
2answers
11k views

Jetty 7 gives HTTP ERROR: 503 - service unavailable

I am getting the error 503 when I try to start Jetty. Does anyone know what this might mean. I am running Jetty 7 and starting it with the start.jar file. If anyone knows how to configure Jetty to ...
2
votes
1answer
636 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 ...
1
vote
6answers
1k views

How to automatically restart Apache service after HTTP 503 error?

Our production server is running Apache v2.2.4 on CentOS5.2. Mono v1.2.4 is integrated within Apache. Recently, we faced a problem in our production server. From Apache's access_log, I found a HTTP ...
1
vote
2answers
921 views

Getting random/intermittent 503 errors on my local IIS website

I've set up an ASP.NET MVC website in my local IIS 7 server. It was working fine for a while, but suddenly it seems to be returning 503 errors at random intervals, for random requests. If I browse ...
1
vote
2answers
159 views

HTTP Apache - 503 Error - Service Unavailable

I have installed Drupal 7 on my domain. I wanted to add it my webpage into Google® Webmaster Tools (https://www.google.com/webmasters/tools). I verified ownership (of domain) and I tried to download ...
1
vote
1answer
429 views

nginx: error_page does not work

I try to set up a maintenance page for my rails app, using this snipplet. error_page 503 /system/maintenance.html; if (-f $document_root/system/maintenance.html) { return 503; } This works as far ...
1
vote
1answer
360 views

503 error IIS7 - no log file

I have a win2008 R2 VPS from webfusion. I have a couple of asp.net 4.0 websites hosted that were working ok. I tried installing an SSL cert for one of them, made a mess of it and removed the cert. Now ...
1
vote
2answers
464 views

How can I configure nginx to serve a “server overloaded” or out of capacity page?

I've got a client who's expecting a plug on national TV tonight, and they just told me (love how that works, eh?). I'm trying to do some capacity planning in what little time I have, and the one ...
1
vote
1answer
647 views

HTTP Error 503 on Win2k8 when browsing to the root of an ASP.NET application using HTTPS

I use IIS7 on a win2k8 server machine (the problem persists both for win2k8 and win2k8 R2). I have an ASP.NET application with directory browsing enabled. When I browse to it using http I can see the ...
1
vote
1answer
842 views

I keep getting Varnish Guru Mediation 503 errors despite setting timeouts

I have the following backend setup: backend seanesopenko { .host = "seanesopenko.ca"; .port = "8080"; .connect_timeout = 60s; .first_byte_timeout = 300s; .between_bytes_timeout = ...
1
vote
1answer
434 views

Varnish 503 Guru Mediation errors with pfsense and healthy apache

We are running a pfsense firewall / load balancer with varnish as service, In front of Fedora linux webservers running apache. We are getting intermittent 503 guru mediation errors. We are a bit ...
1
vote
1answer
291 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' ...
1
vote
4answers
1k views

503 service unavailable when debugging PHP script in Zend Studio

I have a web server with apache 2.0 installed. It comes with Zend Server install pack. When I’m trying to debug my php files apache serves a blank page with 503 service unavailable. Of course slow ...
1
vote
1answer
661 views

Nginx 503 error in High traffic

I have enough memory and cpu but nginx shows 503 error in high traffic. Here is memory usages total used free shared buffers cached Mem: 3383 3370 ...
1
vote
2answers
301 views

Troubleshooting event id 5146 “Application pool has been disabled” on IIS7

I have a website running on Windows Server 2008 Web Edition, that has suddenly in the last few days started freezing and giving users a "503 Service Unavailable" message. There's a bunch of errors ...
1
vote
2answers
316 views

Performance Counter for tracking 503 - Server Unavailable from IIS

I have an ASP.NET 4.0 Web Service running on IIS 6.0. I am trying to locate the appropriate Performance Counter to track 503 responses. I have limited "Web site connections" to 1 for testing ...
1
vote
1answer
801 views

Tomcat IIS 7 Integration gives 503 errors on all requests

After many attempts to install Tomcat on IIS 7, I finally managed to get it working. At least I think so :-S. I finally got the 500 errors away, by setting the correct permissions. The only thing that ...
0
votes
2answers
1k views

Varnish throwing 503 errors when there is a healthy backend

Hiya, I have set up my web server with Passenger serving a Rails app via Nginx. I would like to put Varnish in front of Nginx to cache the web pages, since Passenger is taking its sweet time about ...
0
votes
1answer
261 views

OS X Apache giving 503 error for anything in /api directory

I have a locally hosted website that uses Smarty templates, I'm trying to get started on building an API for the site. I've used virtualhost.sh to create a local virtual host for this and other ...
0
votes
1answer
359 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 ...
0
votes
1answer
2k views

How do I configure uriworkermap.properties in server.xml for Apache - Tomcat integration?

I am so close to completing my first custom install that I can 'taste it' ... I am following Apache Tomcat install and I have both servers working side-by-side. My Apache server is configured to the ...
0
votes
1answer
271 views

diskname or some other argument is missing

I downloaded VM file with all its snapshots from vsphere to localhost. When I tried to open it with Workstation 8 - I got message The disk ...Debian.vmdk has internal consistency that were most likely ...
0
votes
1answer
1k views

Ruby on Rails (Redmine) on Apache - 503 Error

I am running a Ruby on Rails application called Redmine. It's been working fine, but today it's giving a 503 Service Temporarily Unavailable error. (It was initially set up by an employee who is now ...
0
votes
2answers
775 views

How do you resolve HTTP Error 503. The service is unavailable on IIS7?

I'm getting a 503 error when trying to access the localhost web site on my Windows 7 machine. When I look in the event log I'm getting a load of errors along the lies of: Windows cannot copy file ...
0
votes
1answer
199 views

How to implement a “service temporarly unavailable” page which displays automatically in case of errors?

Is there a way to automatically display a notification page (some styled "we will be back soon") in case a webserver fails? How would that work, considering the domain would have to "suddenly" ...
0
votes
1answer
689 views

503 service unavailable debugging PHP files

I have a web server with apache 2.0 installed. It comes with Zend Server install pack. When I’m trying to debug my php files apache serves a blank page with 503 service unavailable. Of course slow ...
0
votes
1answer
51 views

HAProxy responding with NOSRV while backend is up

I have a strange situation where requests to my HAProxy are returning with a 503. HAProxy logs show it returning a NOSRV error: Mar 26 19:47:01 localhost haproxy[23910]: 10.0.0.30:34261 ...
0
votes
1answer
234 views

IIS 8 Random 503 service unavailable

We migrated a busy website to Windows Server 2012 with IIS 8. The website randomly gives the error "503 service unavailable" after an user presses F5 the error is gone again. The website is build in ...
0
votes
0answers
165 views

mod_proxy Connection Refused on Apache2

I'm running ScreenConnect on an Ubuntu VPS running 12.04. In its default configuration ScreenConnect is accessible via IP address, and it runs without error. I'd like for it to be available as ...
0
votes
0answers
584 views

Varnish Error 503 Service Unavailable

On Debian I have Varnish cache in front of apache and get 503 error when I try to get urls which are rarely fetched. I've put 10 min timeout in default.vlc: backend default { .host = "127.0.0.1"; ...
0
votes
0answers
230 views

Troubleshooting a HTTP Error 503 when navigating to domain name

I'm running into a problem on an external facing IIS server that used to be working within the last week. As far as I know, nothing was changed but I can't be 100% certain on that. The server is ...
0
votes
1answer
779 views

Varnish 3.0.2 to Apache2 sometimes return error 503

Hey guys I hope you can help me out here. I have an Ngingx parsing http and https to a varnish cache(3.0.2). From the varnish it is sent to apache2. Now I have for some time been tracking some ...
0
votes
1answer
87 views

What content is best practice to include in a 503 page to provide best user experience in the case of overloaded backend? [closed]

The classic example is the "Fail Whale" on twitter. But I'm interested in what people's thoughts are on this.
0
votes
0answers
146 views

nginx returns 503 over https

this is my stack: a single tomcat back-end located at 10.3.1.125 with 2 web apps (website1 and webservice1) an nginx server front end located at 10.3.1.19 with a public ip that servers both apps ...
0
votes
0answers
357 views

General steps to take to fix 503 on my server

My general question is: what steps should you take to fix a 503 error? To give the specifics of my situation, our Apache web server is throwing a 503 - any page gives: Yikes! Error 503 Service ...
0
votes
0answers
88 views

Windows Server 2003 Anonymous Connections 503 Errors

I have been running into an issue with anonymous connections in IIS recently. We have several windows 2003 server's load balanced running IIS 6. Through an msc snap in, I can view the number of ...
0
votes
0answers
685 views

Apache Errordocument (custom 503 page) works intermittently

We have Apache 2.2 running on Windows 2k3 and 2k8 R2 as a reverse proxy to downstream applications. Some of these applications may go offline during off-peak hours so we've implemented a custom 503 ...
0
votes
1answer
2k views

Troubled FastCGI Config — 503 Errors

I'm getting FastCGI hangups where some websites are accessible, but others return 503 Service Unavailable errors (if I wait long enough for a response). It's got lots and lots of domains on this host ...