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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: troubleshooting getPathInfo in jsp files
Date Wed, 15 Dec 2010 16:58:33 GMT
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Gary,

On 12/15/2010 11:40 AM, Gary Lawrence Murphy wrote:
> Resin will only work on single CPU although it will use all the cores of
> that CPU; to work with multiple CPU we could license the pro version, but
> the cost for us is prohibitive.

That's interesting that Resin constrains you to a single CPU (but up to
4 cores). I didn't know that Java code could impose that requirement.
Perhaps they play some games at the native level. Sounds like Oracle's
old pricing models. :(

I wouldn't be surprised if you /did/ upgrade to latest version of the
the Pro Edition if your url-patterns didn't fail there, too. The spec
has been tightened around v2.5 (that would be Tomcat 5.5/6) which was
quite a long time ago, now.

> the idea was floated to fork Tomcat to insert our own parsing rule on the
> servlet-mapping, and I may also investigate that; my worry is creating a
> maintenance nightmare where upgrades become risky, however it may turn out
> that the other containers also do servlet-mapping in this way and we'd be
> forced to use a modified TC.

I don't think you need a full fork just to add this capability, though
it might not be as simple as extending a class or two and setting a
configuration option. In Tomcat 7.0.x, everything starts in
org.apache.tomcat.http.mapper.Mapper.internalMapWrapper.

- -chris
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