Re: Crimson/Xerces JAXP Problem

[Jay Walters <jw...@computer.org>]

Sorry it's been a while.  With crimson I am using the DOMEcho sample
program.  It takes 3s with DOMEcho <xml file> and much much longer
(hours?) with DOMEcho -v <xml file>.  This is true whether I use
crimson.jar or xercesImpl.jar from the 2.0 Beta4 release.  Either way it
runs in < 10s with the Writer example from Xerces 2.0 Beta4 release. 
Perhaps that one doesn't really validate if -v is turned on?  I would be
happy to send along the xml file and dtd if that would help. It's the
standard uml13.dtd file and a pretty small class model (< 2000 lines) in
the XML file.

Cheers


Edwin Goei wrote:

> 
> Jay Walters wrote:
> >
> > Iam finding that Crimson is very slow at performing validating parsing
> > of a specific XML input & DTD that I am using, where very slow is
> > something like > 1000X slower when validating.  Oddly enough I'm also
> > seeing the same problems with Xerces 1.4 and 2.0 only if I use the Jaxp
> > interfaces.  If I go right into xerces and use the DOMParser class then
> > it parses in a matter of a few seconds.
> 
> Hmmm, this doesn't sound right b/c JAXP essentially wraps the Xerces
> DOMParser class so you should get the same performance whether you go
> through JAXP javax classes or Xerces DOMParser.  Are you sure you have
> validation turned on when using DOMParser directly?
> 
> -Edwin
> 
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