#500-error

Fixed: Nginx add_header for a 50* page #fix #it #dev

Nginx add_header for a 50* page

I’m currently trying to get nginx to add a header to the response when it is sending some kind of 50* error. I already have an add_header directive on the http block, and that gets respected for all requests except it seems errors. I also tried the following in one of my vhosts:

location /mediocregopheristhecoolest { add_header X-Test "blahblahblah"; return 502; }

Solution: Apache httpd workers retry #fix #development #computers

Apache httpd workers retry

I have an Apache httpd web server running mod_proxy and mod_proxy_balancer. The whole of /somedir is sent to 2 worker machines which service the requests using the round robin scheduler. Each worker machine is running IIS but I don’t think that is important.

I can demonstrate the load balancer working by repeatedly requesting a single page which contains the IP address…

Answer: How to diagnose a 500 Internal Server Error on IIS 7.5 when nothing is written to the event log? #solution #answer #fix

How to diagnose a 500 Internal Server Error on IIS 7.5 when nothing is written to the event log?

I’ve just deployed an update to an existing ASP.NET MVC3 site (it was already configured) and I’m getting the IIS blue screen of death stating

HTTP Error 500.0 – Internal Server Error The page cannot be displayed because an internal server error has occurred.

However; there is nothing showing up in…

How-to: How to diagnose a 500 Internal Server Error on IIS 7.5 when nothing is written to the event log? #solution #dev #development

How to diagnose a 500 Internal Server Error on IIS 7.5 when nothing is written to the event log?

I’ve just deployed an update to an existing ASP.NET MVC3 site (it was already configured) and I’m getting the IIS blue screen of death stating

HTTP Error 500.0 – Internal Server Error The page cannot be displayed because an internal server error has occurred.

However; there is nothing showing up in…