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5
votes
2answers
2k 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
20k 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
2answers
4k 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
1answer
3k 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
5answers
1k 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
3k 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
2k 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
2k 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 ...
2
votes
1answer
862 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 ...
2
votes
2answers
15k 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 ...
1
vote
6answers
3k 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
4answers
5k views

AWS ELB Apache2 503 Service Unavailable: Back-end server is at capacity

We've been running a couple websites off Amazons AWS infrastructure for about two years now and as of about two days ago the webserver started to go down once or twice a day with the only error I can ...
1
vote
1answer
444 views

Citrix Secure Gateway not redirecting to login URL

We have an older setup for XenApp - users log in through Citrix Secure Gateway running on a windows box. (We hope to start using a NetScaler soon.) Earlier today, connections to ...
1
vote
2answers
655 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
901 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
1answer
602 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
537 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
943 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
841 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
1k 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
2k 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 ...
1
vote
1answer
640 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
942 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 ...
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
2k 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
3answers
2k 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 ...
1
vote
2answers
542 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
473 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 ...
0
votes
2answers
225 views

Server intermittently inaccessible externally (but accessible internally continuously)

I have a CRM on a server on a network. We have a static IP and another server outward facing. We use port-forwarding to map to the CRM, so that when you go to the IP or the FQDN, you get to the CRM: ...
0
votes
2answers
2k 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
468 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
529 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
3k 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
651 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
2k 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
1k 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
212 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
845 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
0answers
40 views

Custome page when Apache Server is down

I've looked at Apache ErrorDocument directive on how to do this. I found an answer here and it mentioned : You should use a URL to point to your ErrorDocument otherwise if you use a filesystem ...
0
votes
0answers
214 views

Nginx with wordpress refused varnish static content requests

I just added another wordpress site to my ubuntu server. 2 wordpress sites, not multisite. They use 2 different fpm pool with same config. Their Nginx config files are basically identical except the ...
0
votes
1answer
322 views

Switched from Apache to Nginx - 503 errors

Switching from Apache to Nginx has caused us some errors.Our forum images do not load, and a directory with redirects and such don't actually redirect. The two problems is /forum/uploads/avatars, ...
0
votes
0answers
437 views

varnish random and sporadic 503 error

EDIT1 : I tried the setting suggested on my preprod environment without success. Since I can reproduce the issue on another environment I tried to look for similarities. I disabled logrotate for ...
0
votes
0answers
184 views

IIS 8 returns 503 randomly for several minutes, queue limit is high, no error in logs

etI saw some other posts similar to mine, yet my problem is different: I have a asp.net website on IIS 8, windows server 2012 64b, 6GB machine. It serves hundreds of requests every few seconds, with ...
0
votes
0answers
491 views

mod_fcgid: can't apply process slot for

In error log from a customer i have follow entry mod_fcgid: can't apply process slot for /var/www/fcgi/XXX.in/php5-fcgi-starter, referer: ...
0
votes
0answers
129 views

Apache - Custom dynamic error page for 503 Service unavailable

I'm using Apache to create a proxy: <Location "/someUrl"> ProxyPass http://192.168.33.1:8080/someUrl ProxyPassReverse http://192.168.33.1:8080/someUrl </Location> When ...
0
votes
0answers
119 views

How to set “retry-after” when using IIS Url-Rewrite to deliver a 503 message

I have used the Url-Rewrite suggestion by @Peter Hahndorf [answer here] to great effect. However I was wondering if there's a way to also tell search engines to "Retry-After"? I've tried ...
0
votes
2answers
280 views

Nginx Maintenance Mode (503) in Subdirectory with PHP-FPM

I'm using Nginx with PHP-FPM, and I want to restrict access to a subdirectory of PHP files on my site so that only traffic from my IP address is allowed. Here is what I have tried, assuming my IP is ...
0
votes
1answer
370 views

Solr 4.4 with tomcat 6 throws 503 on tomcat manager

System Details: OS: Cent OS 5.5 x86_64 java - 1.7 (1.7.0_25) tomcat : 6.0.37 solr 4.4 (configured for multi-core) I had solr 4.4 multicore running perfectly on jetty (although running just one core ...
0
votes
1answer
137 views

mod_fcgid error - unable to connect to server

Sometimes when there's higher traffic on my website, the server randomly stops doing anything and sends 500/503 errors for a few seconds or even minutes. The Error log shows the following message ...
0
votes
1answer
78 views

Default error page in SSRS 2008

We are using SSRS 2008. Is there a way to show a default error page if there is an error in the Reporting Services? If so how do I go about doing this? Currently getting the following error..... ...