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From Nick Kew <>
Subject Re: Adding full environment variable support to mod_proxy_ajp
Date Thu, 28 Aug 2008 10:15:30 GMT
On Wed, 27 Aug 2008 23:53:24 -0700
Ian Ward Comfort <> wrote:

> My environment is affected by bug 40047, the lack of a mod_proxy_ajp  
> equivalent to mod_jk's JkEnvVar directive.  (The mod_rewrite
> gyrations required to work around this with AJP_* vars are too
> unpleasant to maintain.)  If I write a patch for this feature, might
> it stand a chance of upstream inclusion?  If so, thoughts on the
> following would be appreciated.
> * The directive should probably be handled by mod_proxy.  It may be  
> relevant to protocols besides AJP, and mod_proxy already has  
> configuration objects, unlike mod_proxy_ajp.
> * A lot of the code can probably be reused from mod_jk, unless
> anyone foresees a problem with this.
> * What's an appropriate name for the directive -- ProxyEnvVar?

How big is this proposed patch?  A patch that can be reviewed in
five minutes has a lower barrier to inclusion than one that a
developer has to spend all day reviewing :-)

Anyway, as an alternative to your proposal, would it fix your
problem if variables set using SetEnv or PassEnv - or dynamically
using mod_rewrite - were propagated to the backend appserver?
If so, I'd think that a nicer solution than a new directive.

Nick Kew

Application Development with Apache - the Apache Modules Book

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