Another observation I forgot:  it appears to be very very important to
clear out your cache (Tomcat/work) directory after switching jars and
before restarting, otherwise you get null pointer exceptions.  Probably
obvious to a lot of people but it wasn't to me....

> -----Original Message-----
> From: Stephen Ng [mailto:[EMAIL PROTECTED]] 
> Sent: Tuesday, May 21, 2002 10:32 AM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Problems with Saxon (6.5.2) and resolver (Cocoon 2.0.2)
> 
> 
> I've been struggling with getting Saxon 6.5.2 and Cocoon 
> 2.0.2 working together for a couple of days now....
> 
> Here's what I did and what I found:
> 
> 1. I replaced xalan-2.3.1 with saxon.jar.
> 2. I grabbed v1.9 of xsp.xsl 
> (http://cvs.apache.org/viewcvs.cgi/xml-cocoon2/src/java/org/ap
> ache/cocoo
> n/components/language/markup/xsp/java/xsp.xsl)
> 
> I started getting (intermittent) null pointer errors trying 
> to resolve static files.  I had a sub-sitemap with:
> 
> "context://dir/data.xml"
> 
> Changing these to just
> 
> "dir/data.xml"
> 
> made a set of them go away.  (Does this make any sense?)
> 
> But I continue to get NPE's in the resolver code.  They came from
> 
> XSLTProcessorImpl::resolve() {
> //...
> 
>   File parent = new File(base.substring(5));
>   File parent2 = new File(parent.getParentFile(), href);
>   xslSource = resolver.resolve(parent2.toURL().toExternalForm());
> 
> }
> 
> Turns out "resolver" was null.
> 
> I looked in CVS, and the whole mechanism for getting a 
> resolver appears to have been rewritten.  So, as a hack, I 
> just check for null in setSourceResolver.  (I have *no idea* 
> what I'm doing here, folks).
> 
> public void setSourceResolver(SourceResolver resolver) {
>   if (resolver!=null)
>          this.resolver = resolver;
> }
> 
> Now I have no more NPE's, but I still have a resolver problem 
> somewhere--one of my pipelines is failing because it can't 
> locate a stylesheet.  Still have to figure that one out.
> 
> But, now my app is running enough that I can time it.  Well,  
> I'm getting it's between 10% to 25% faster, which is not 
> nearly as much as I'd hoped.  (A quick test showed Saxon 7 to 
> be a tad slower, but it might just be noise.)  (My app is 
> currently taking about 2.2 seconds to serve a page (1.7 Ghz 
> P4, 512MB Ram, WinXP), of which I figure no more than .5 sec 
> is due to database access, and the rest I think is Cocoon 
> time.  I'm really gunning for sub-second response for a demo 
> next week.)
> 
> Should I upgrade to CVS 2.0.3 and try again?  (I know this is 
> a stupid question, but how close is it to being soup?)  Or 
> keep plugging at 2.0.2?  Or wait for 2.0.3 to ship?  Best 
> thing would be XSLTC!  
> 
> Steve
> 
> 
> 
> 
> ---------------------------------------------------------------------
> Please check that your question has not already been answered 
> in the FAQ before posting. 
<http://xml.apache.org/cocoon/faqs.html>

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