org.xml.sax.SAXException: Can not resolve namespace prefix: xalan. HELP!!

[mi...@gmail.com]

I would like to view the Proxy Block Sample in Cocoon 2.1.
But I get this error

"org.apache.cocoon.ProcessingException: Unable to get transformer handler for 
file:/cocoon/samples/blocks/proxy/stylesheets/newWizard2html.xsl: 
org.apache.excalibur.xml.xslt.XSLTProcessorException: Exception in
creating Transform Handler"

cause: org.xml.sax.SAXException: Can not resolve namespace prefix: xalan

Caused by: org.apache.excalibur.xml.xslt.XSLTProcessorException:
Exception in creating Transform Handler
	at org.apache.excalibur.xml.xslt.XSLTProcessorImpl.getTransformerHandlerAndValidity(XSLTProcessorImpl.java:336)
	at org.apache.cocoon.transformation.TraxTransformer.setup(TraxTransformer.java:312)

Caused by: org.xml.sax.SAXException: Can not resolve namespace prefix: xalan
	at org.apache.xalan.processor.XSLTAttributeDef.processPREFIX_LIST(XSLTAttributeDef.java:1281)
	at org.apache.xalan.processor.XSLTAttributeDef.processValue(XSLTAttributeDef.java:1451)

org.apache.excalibur.xml.xslt.XSLTProcessorException: Exception in
creating Transform Handler
	at org.apache.excalibur.xml.xslt.XSLTProcessorImpl.getTransformerHandlerAndValidity(XSLTProcessorImpl.java:336)
	at org.apache.cocoon.transformation.TraxTransformer.setup(TraxTransformer.java:312)


Also the WeProxy Block example page is refering to the directory
"/samples/blocks/proxy/wsproxy/"
which doesnt exist. Was there something I had to do to have this
included in the cocoon sample page?

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