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7
votes
3answers
187 views

Getting 503 error from Varnish but varnishlog doesn't tell much

Running Varnish 4 and I'm occasionally getting 503 errors which I can't put my finger in. I've tried curling the backend directly and it's returning a response everytime so it doesn't look like the ...
6
votes
4answers
12k 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 ...
5
votes
2answers
3k 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
5answers
29k 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 ...
4
votes
2answers
4k 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
2answers
5k 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
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 ...
3
votes
5answers
2k 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
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
1answer
1k 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
17k 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
0answers
49 views

IIS 8 Server Too Busy

I've been working on it for a few weeks. I've an IIS 8.0 Server hosting, ASP .NET 4.0 application in Classic mode. Two of the files are GET which do file system reads for every request and one is post ...
1
vote
6answers
4k 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
1answer
725 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
659 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 ...
1
vote
1answer
792 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
2k 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
1k 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
663 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
1k 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
925 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
96 views

Error 500 / 503

I get an Error 500 / 503. My theory was that php5-fpm was being killed and re-spawned every second due to messages like this in php5-fpm.log [27-Jan-2015 08:21:34] NOTICE: fpm is running, pid 30045 ...
1
vote
1answer
600 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 ...
1
vote
1answer
3k 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
837 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
1k 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
0answers
11 views

Solr 503 when using boost function

I have three environments which are set up to use Solr: local, staging and production. The local configuration differs slightly to the staging/production however the other two are identical. I ...
1
vote
0answers
885 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 ...
1
vote
1answer
4k 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
730 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
558 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
266 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
554 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
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
110 views

“(503) Server Unavailable” when attempting “Connect to Site” remotely using IIS Manager. Connecting locally using localhost works fine

I am using IIS 8.5 on Windows Server 2012. I have installed and configured IIS "Management Service". When running "Connect To Site" locally and attempting to connect to a site on the server using ...
0
votes
1answer
53 views

How do I show an empty error page on HAProxy for a single URL?

Question I have a single URL say: http://foo-backend.com/display_blank_when_errored On a site behind an HAProxy load balancer let's say the front-end site is: http://foo.com When an error happens ...
0
votes
1answer
752 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
2k 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 = ...
0
votes
1answer
214 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
980 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
45 views

Nginx error page static content not loaded

Running Nginx 1.4.1 I have the following config to display a custom error page in case my backend messes up. The page is displayed but custom fonts & images are not loaded. My custom error page ...
0
votes
0answers
55 views

Tomcat suddenly shutdown

Tomcat randomly stops receiving requests and returns error 503. Im running a tomcat 7 on Ubuntu 12.04 TLS updated. In the apache error log you can see the following trace: [Wed Mar 04 09:36:27 ...
0
votes
0answers
71 views

#openshift server unavailable 503 error

I have application created on TOMCAT7 (JBOSS EWS) using Mysql DB. My application keeps getting 503 error (service unavailable) [WARNING] 033/104029 (124189) : Server express/local-gear is DOWN, ...
0
votes
0answers
136 views

Creating 503 redirect using htaccess while using proxypass

I have an external server (a) that is performing a proxypass reverse to an internal server (b) IP here is my config in default-ssl <Location /> AllowOverride All ProxyPass ...