Thanks Mike! On Sun, Feb 6, 2011 at 1:07 AM, Michael Ludwig <mil...@gmx.de> wrote:
> Sushant Sinha schrieb am 04.02.2011 um 15:08 (+0530): > > I am using xalan 2.7.1 for transforming an xml document using an xsl > > stylesheet. I have attached the input xml as example.xml and the rule > > as rule.xsl. > > Hmm, the XML file is ~ 128 KB and probably irrelevant. I'm pasting the > XSLT here so people can read it without the unpacking hassle: > > \,,,/ > (o o) > ------oOOo-(_)-oOOo------ > <xsl:stylesheet > xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0" > xmlns:xalan="http://xml.apache.org/xalan"; > exclude-result-prefixes="xalan"> > > <xsl:template match="/"> > <xsl:variable name="business_name" > select="normalize-space(/html/span/xpath)"/ > <xsl:if test="count(xalan:nodeset($business_name)) < 2"> > </xsl:if> > </xsl:template> > > </xsl:stylesheet> > ------------------------- > > So you're selecting a string (return value of normalize-space()) and > then you're calling the nodeset() function on it - that doesn't make > any sense, because you can't hope to have a nodeset here. > > > rule.xsl uses xalan extension function xalan:nodeset() and the > > transformation runs fine with the interpretive xalan. However, it > > fails when the property avax.xml.transform.TransformerFactory is set > > to org.apache.xalan.xsltc.trax.TransformerFactoryImpl > > > > It actually produces a java exception with the following stack: > > > > ERROR: 'Invalid conversion from 'node-set' to 'java.lang.String'.' > > Exception in thread "main" javax.xml.transform.TransformerException: > > java.lang.RuntimeException: Invalid conversion from 'node-set' to > > 'java.lang.String'. > > > Is this a bug in the compiled xsltc processor? Or is there a usage > > issue? > > It is a usage issue. Can't say if it also a bug. > > Here's a similar case (without the Xalan dependency): > > \,,,/ > (o o) > ------oOOo-(_)-oOOo------ > <xsl:stylesheet version="1.0" > xmlns:exsl="http://exslt.org/common"; > xmlns:xsl="http://www.w3.org/1999/XSL/Transform";> > <xsl:template match="/"> > <xsl:variable name="a" select="string( . )"/> > <r> > <a><xsl:value-of select="$a"/></a> > <b><xsl:value-of select="exsl:node-set( $a )"/></b> > </r> > </xsl:template> > </xsl:stylesheet> > ------------------------- > > Works fine for LibXSLT, Xalan and Saxon 9.1. (Which doesn't go to say > that it makes sense.) Saxon 6.5, on the other hand, reports an error: > > exslt:node-set(): argument must be a node-set or tree > > Also note that EXSLT is preferred over xalan:nodeset(). > > http://xml.apache.org/xalan-j/extensions_xsltc.html#nodeset_ext > > -- > Michael Ludwig >
