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From Joost de Heer <>
Subject Re: [users@httpd] invalid response from Proxy dns lookup failure
Date Mon, 10 Jan 2011 11:53:07 GMT
On 01/10/2011 08:17 AM, Tapas Mishra wrote:
> Ok here is a situation  today morning I had rebooted the server and I
> observed and I see response for one of the application complaining
> This is the error I see in browser
> Proxy Error
> The proxy server received an invalid response from an upstream server.
> The proxy server could not handle the request GET /app1.
> Reason: DNS lookup failure for:

Your proxy host can't resolve


Is there a special reason why you have a proxypass to http, but a 
proxypassreverse to https?

> and the server  where the application is actually hosted  I do not see
> any log which can help me to understand that the request /app1
> actually reached there.

This is understandable, because the reverse proxyserver doesn't know where to 


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