[Mongrel] possible fix for mongrel hangs

Paul Mylchreest paul.mylchreest at mac.com
Fri May 4 12:01:23 EDT 2007


If you see this in the apache error log:

proxy: error reading status line from remote server ...

its probably Apache bug 39499.

I found the solution sometime ago here:

<http://blog.pomozov.info/posts/apache-mongrel-and-proxy-error.html>

   #Fix for Apache bug 39499
   SetEnv force-proxy-request-1.0 1
   SetEnv proxy-nokeepalive 1

On 4-May-07, at 11:05 , Miles Egan wrote:

> We've been experiencing the same kinds of hangs other people have
> described here lately.  For no obvious reason our mongrel processes
> just freeze up and nothing short of a kill -9 can retrieve them.
> This is in a standard linux apache 2.2/balancer setup.
>
> Anyway, following some threads online I tried adding these directives:
>
>      SetEnv force-proxy-request-1.0 1
>      SetEnv proxy-nokeepalive 1
>
> To the apache config and I haven't seen a hang all week.  Sorry I
> don't have a more scientific explanation for this or ideas for a
> deeper fix but these might be worth a try if you're stuck.
>
> --
> miles
>
>
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