Re: Why does Tomcat use xerces under java 1.4 instead of the internaljvm classes?

[Jean-Francois Arcand]

Costin Manolache wrote:

Jean-Francois Arcand wrote:

 

Because the xerces version bundled with 1.4 is an older one, doesn't
support XML schema properly, and contains bugs (and is not as performant
as the 2.x version)
   

Isn't Crimson in JDK1.4 ? I remember we decided to disable XML schema
validation. 

Crimson & Xerces are available. Crimson is the default one. Yes 
validation is turned off by default.

At least in tomcat5 I never use xerces - only the bundled parser, and so
far I've seen no problems.
Crimson is a very good parser, and it still faster that Xerces in some 
case. The only reason I see for bundling xerces is for when we turn on 
validation & the web.xml used a schema for validation.

XML schema validation is just bad - if the spec would _require_ the
container to validate ( and I hope it won't ) - then we can provide a
separate "validator" that will include xerces and some script that users
can run.
From what I know, that will not happen for the 2.4 timeframe.

-- Jeanfrancois

Costin

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