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Questions tagged [http-status-code-503]

503 is one of the status codes a web server can return to a client application when processing a request. 503 is defined as Service Unavailable

503 Service Unavailable. The server is currently unable to handle the request due to a temporary overloading or maintenance of the server. The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of the delay may be indicated in a Retry-After header. If no Retry-After is given, the client should handle the response as it would for a 500 response.

Note:

The existence of the 503 status code does not imply that a server must use it when becoming overloaded. Some servers may wish to simply refuse the connection.

Related tags

See also RFC2616.

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Error when Yeoman app deployed to Heroku

I get the following error after deploying my Yeoman app to Heroku GET http://myapp.herokuapp.com/favicon.ico 503 (Service Unavailable) I have a favicon image, and everything runs fine locally with the favicon image appearing. I'm not sure how to fix…
Deeks
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Javascript and angularjs using CORS

I'm attempting to GET information from a site using $http, and I've honestly looked all over and tried tons of different things but I'm not sure exactly how to set the headers for 'Access-Control-Allow-Origin'. I'm not sure if I'm just…
seanscal
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WCF service is too busy

I have a WCF service that worked fine until a "service-window" had elapsed and now I can figure out what is wrong. I can from machine A, browse to the service http://xx.xx.xx.xxx/Service/Service.svc and http://xx.xx.xx.xxx/Service/Service.svc?wsdl…
ceciliaSHARP
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Solr + Jetty Gives HTTP 503 on Debian

(This is a cross-post from servefault. I'm posting it here because no one answered my post there, and I feel that this sort of hits an awkward space half-way between both stackoverflow and serverfault.) I have modified the example project included…
ysimonson
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XMLHttpRequest cannot load - No 'Access-Control-Allow-Origin' with Meteor & FSCollection

I have some trouble with upload csv file when the app is deployed on Meteor Server. It works on localhost. I have this error : No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://smsgalaxy.meteor.com' is…
Hafid Traikzi
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ColdFusion Error: 503 (Remote CFC request timed out waiting to execute.)

I am working on an application of ColdFusion 9 and IIS 7. The application was working fine but suddenly an error occurred on the page when a request was sent to a CFC page. Other CFM pages are working fine. Here is the error message displayed in the…
Ajay Bhagat
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How can I debug a 503 error with Django on Apache?

I pushed an update to my site earlier today, and when I tried to connect to it, received a Gateway Time-out error (503). This is my error log : [Wed Nov 04 01:34:26 2015] [error] [client 128.79.79.108] Timeout when reading response headers from…
Brachamul
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WCF on Azure Cloud Service intermittently returns http error 503

We have an azure cloud service with a WCF installed as web role. The service connects to an azure db online using entity framework. The service is consumed by a WPF Client which use a corporate proxy to connect to the web. Sometimes the client…
Ramius
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503 Return Code from Wildfly after HAProxy

I am doing load testing on setup LoadBalancer -> API Server (WildFly). Problem here is my api server stop responding and giving 503 through Load Blancer. While I have memory and cpu available at api server. What could be possible reason that can…
Usman
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Httpresponse Error 503

I'm trying to download a web page data from a website that is hosted by CloudFlare. It uses HTTPS and gets ID for the connection before getting into the page. I'm trying to get the id in WebRequest and WebResponse but I'm getting the following…
reda igbaria
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ModX two domains, one site

I followed the instructions in ModX: The Official Guide, and created a context for my new site. Then I created the site in Plesk, and put the index.php and core.config.php files from the original site in the httpdocs directory. The site keeps…
symlink
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Intermittent Service Unavailable Error on Custom Shoppping Cart

I am building a shopping cart, and right now I am working on the categories system of the products. I have to add categories from the admin panel which works fine. Now, when I want to update the category, the page keeps loading and after 3-4…
Saiyan Prince
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How to debug WebLogic 503 Errors under load

I am loadtesting a system, part of which includes a WebLogic 9.2 system. Multiple other servers are also involved as back ends to what is deployed on WebLogic. I have a simulator that simulates the load that the system has to handle. It sends many…
Steve Cohen
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Why is my Windows CE device unable to successfully invoke my server's REST methods?

This is related/sort of a followup to this question but contains more and more specific information. I have a REST app running on my PC. I need to call some of the methods on the server from a handheld WindowsCE device that uses the compact…
B. Clay Shannon-B. Crow Raven
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503 Errors with Apache httpd and Tomcat and mod_spdy

I run a server which uses httpd and an AJP proxy to Tomcat. I switched on mod_spdy on my server yesterday and I started seeing some 503 errors. I have read something that because of the number of parallels connections through mod_spdy it may cause…
DD.
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