503 Service Unavailable - What really it means?

Posted by bala3569 on Super User See other posts from Super User or by bala3569
Published on 2010-03-27T12:28:04Z Indexed on 2010/03/28 1:03 UTC
Read the original article Hit count: 493

Filed under:

http

|

http-status-codes

I developed a website and it loads in every other system but certainly not in mine ... WHen i used firebug my request show 503 Service Unavailable

EDIT:

My response was,

Server squid/2.6.STABLE21
Date Sat, 27 Mar 2010 12:25:18 GMT
Content-Type text/html
Content-Length 1163
Expires Sat, 27 Mar 2010 12:25:18 GMT
X-Squid-Error ERR_DNS_FAIL 0
X-Cache MISS from xavy
X-Cache-Lookup MISS from xavy:3128
Via 1.0 xavy:3128 (squid/2.6.STABLE21)
Proxy-Connection close

© Super User or respective owner

Related posts about http

Cannot update, apt-get cannot fetch index files

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I have a fresh install of Ubuntu 11.10 from the iso 'ubuntu-11.10-desktop-amd64.iso'. I installed this in VMWare Fusion 4.1.1 running on OSX 10.7.3. When setting up the VM, I allowed easy install to take care of creating my user and installing VMWare tools. No problems during installation, everything… >>> More
the size of apt-get update lists is too big

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I ran a clean install to Ubuntu 12.04 and so far everything has been working well. I especially commend the Ubuntu team for this release. I only noticed that the size of repository update is now about ~13MB. Normally, it is about this size for the first time you run apt-get update after a clean install… >>> More
Quantal: Broken apt-index, cant fix dependencies

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I can't seem to add/remove/update packages Ubuntu software update has a notice about partial upgrades but fails Seems to be similar to this problem $ sudo apt-get update Ign http://archive.ubuntu.com quantal InRelease Ign http://security.ubuntu.com precise-security InRelease Ign… >>> More
12.04: Apt-Get Update: failure to fetch; can't connect to any sources

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I realize there are dozens of "apt-get update: failure to fetch" questions (I read through all I could find), but my present circumstance is unique to 12.04 and it affects all sources; not just launchpad. Additionally, I've tried several different servers in Europe and the U.S. as well as the "main… >>> More
How can I remove the Translation entries in apt?

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
This is the output of aptitude update: Ign http://archive.canonical.com natty InRelease Ign http://extras.ubuntu.com natty InRelease Ign http://dl.google.com stable InRelease Ign http://security.ubuntu.com natty-security InRelease Hit http://deb.torproject.org natty InRelease Get:1 http://dl.google… >>> More

Related posts about http-status-codes

Proper use of HTTP status codes in a "validation" server

as seen on Stack Overflow - Search for 'Stack Overflow'
Among the data my application sends to a third-party SOA server are complex XMLs. The server owner does provide the XML schemas (.xsd) and, since the server rejects invalid XMLs with a meaningless message, I need to validate them locally before sending. I could use a stand-alone XML schema validator… >>> More
IIS 7.0 informational HTTP status codes

as seen on Samir ASP.NET with C# Technology - Search for 'Samir ASP.NET with C# Technology'
1xx - Informational These HTTP status codes indicate a provisional response. The client computer receives one or more 1xx responses before the client computer receives a regular response. IIS 7.0 uses the following informational HTTP status codes: 100 - Continue. 101 - Switching protocols… >>> More
Testing HTTP status codes

as seen on Server Fault - Search for 'Server Fault'
I'm running an Apache Tomcat server. Making some security testing I'd noticed than my server is returning a 200 HTTP status code of the default error page when I try to access to a non-existent element instead of return a 404 status code and redirect me to the default error page. I suspect that this… >>> More
Custom HTTP Status Codes (a la Twitter 420: Enhance Your Calm) [migrated]

as seen on Server Fault - Search for 'Server Fault'
I'm currently implementing an HTTP API, my first ever. I've been spending a lot of time looking at the Wikipedia page for HTTP status codes, because I'm determined to implement the right codes for the right situations. Listed on that page is a code with number 420, which is a custom code that Twitter… >>> More
Dealing with HTTP Status Codes in PHPUnit_Extensions_Selenium2TestCase

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a series of tests that I'm running for an Open Source Project, I'd like to get the status code of the curl request that is made to determine the difference of a code change breaking functionality vs a code change breaking the site completely. class ExampleTest extends PHPUnit_Extensions_Selenium2TestCase … >>> More