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From Jim Jagielski <>
Subject Re: [users@httpd] Any Comparisons? -- mod_wl vs mod_proxy vs mod_jk
Date Mon, 09 Feb 2015 14:01:33 GMT
You could always try mod_proxy_ajp, which uses the mod_proxy framework,
but communicates via AJP. It's better at detection of silently
dropped AJP connections.

> On Feb 9, 2015, at 3:18 AM, Dr James Smith <> wrote:
> We used mod_jk for ages and have recently flipped back to mod_proxy for our java/tomcat
apps, we found that we had connectivity issues with mod_jk - if the connection between apache/tomcat
is severed then mod_jk did not always work cleanly - and subsequent requests would just hang.
mod_proxy didn't have the problem.
> The problem showed it self when we started segregating machines into virtual firewall
zones - so traffic between machines was controlled.
> It does mean that we don't have as easy a load-balanced setup  - although we do send
the requests back through our front-end load balancers and this seems effective.
> James
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