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From Henri Gomez <hgo...@apache.org>
Subject Re: TC 3.3.2-dev and endorsed lib
Date Mon, 13 Oct 2003 09:39:41 GMT
Bill Barker a écrit :

> ----- Original Message ----- 
> From: "Henri Gomez" <hgomez@apache.org>
> To: "Tomcat Developers List" <tomcat-dev@jakarta.apache.org>
> Sent: Monday, October 13, 2003 2:09 AM
> Subject: Re: TC 3.3.2-dev and endorsed lib
> 
> 
> 
>>Bill Barker a écrit :
>>
>>
>>>----- Original Message ----- 
>>>From: "Henri Gomez" <hgomez@apache.org>
>>>To: "Tomcat Developers List" <tomcat-dev@jakarta.apache.org>
>>>Sent: Monday, October 13, 2003 1:28 AM
>>>Subject: TC 3.3.2-dev and endorsed lib
>>>
>>>
>>>
>>>
>>>>In TC 4.1.x and 5.0.x there is support for endorsed lib but
>>>>nothing like this in tc 3.3.2-dev.
>>>>
>>>>Since we may have people (including myself), who will have
>>>>to use SDK 1.4.x with Tomcat 3.3.2, I like to add such feature
>>>>to Tomcat 3.3.2-dev.
>>>>
>>>
>>>
>>>It's not really necessary for 3.3.x, since the XML parsing requirements
> 
> for
> 
>>>Tomcat are pretty limited (without looking, we are currently shipping
> 
> with a
> 
>>>jaxp1.x version I believe).
>>>
>>>
>>>
>>>>I was thinking put the endorsed in lib/endorsed, ie next
>>>>to lib/common, lib/apps and lib/container.
>>>>
>>>
>>>
>>>I'm +0 as long as the lib/endorsed directory is empty in the default
>>>install.  Otherwise, I'm -1.
>>>
>>>
>>>
>>>
>>>>I'll modify run scripts and build for such feature.
>>>>
>>>>If a classloader specialist could see if something is
>>>>required (from TC 4.1 it seems yes).
>>>
>>>
>>>The Tomcat 3.3 ClassLoaders are all delegating loaders (so it is much
>>>simpler than the 4.x/5.x case).  If you are using a 1.4.x JVM, Tomcat
> 
> 3.3
> 
>>>will always grap the XML parser from the System ClassLoader (either the
> 
> one
> 
>>>that ships-with, or the endorsed).
>>
>>Even if we set -Djava.endorsed and fill the directory with the jars we
>>want it to use ?
>>
> 
> 
> That should work much like it does for 4.1.x/5.0.x (but I haven't tried it
> :).  Once you get out of the WebappClassLoader, the 4.1.x/5.0.x ClassLoaders
> are delegating CLs.  Again, I'm +0 to set the -Djava.endorsed.dir to an
> empty directory (that the user can copy their favorite xerces version to),
> and -1 to populate it by default.

Ok, I will just create structure but don't populate by default


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