# The server is temporarily unable to service your request due

**URL:** <https://www.ruby-forum.com/t/the-server-is-temporarily-unable-to-service-your-request-due/196302>\
**Category:** Deployment\
**Created:** [October 11, 2010, 7:30am UTC](https://www.ruby-forum.com/t/the-server-is-temporarily-unable-to-service-your-request-due/196302 "2010-10-11T07:30:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ksvijaynkl](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/a88e4f/32.png) [@ksvijaynkl](https://www.ruby-forum.com/u/ksvijaynkl)\
**Post date:** [October 11, 2010, 7:30am UTC](https://www.ruby-forum.com/t/the-server-is-temporarily-unable-to-service-your-request-due/196302/1 "2010-10-11T07:30:04Z")

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I start up Mongrel and I’m able to access the web app, but after few  
seconds I eventually start getting “The proxy server received an invalid  
response from an upstream server” errors. If I restart Mongrel then  
everything works fine again, but several seconds later I have the same  
issue…