RE: [xsl] ClassCastException

["Michael Kay" <mhk@xxxxxxxxx>]

A ClassCastException or any other kind of exception that causes a stack
trace like this, with no user extension functions involved, is prima
facie evidence of a bug in your XSLT processor and should be reported to
your supplier.

Michael Kay


> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx 
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of 
> alana@xxxxxxxxxx
> Sent: 11 December 2003 11:07
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] ClassCastException
> 
> 
> why do i get the exception.....the node.xsl file is pasted below
> **************************************************************
> **********************
> //XML
> <DATA>
> <component id="description_of_plates" type="question">
>                 <property id="label">
>                     <value>Description of Plates:</value>
>                 </property>
>                 <property id="help"/>
>                 <property id="tooltip"/>
>                 <property id="format">
>                     <value>textbox</value>
>                 </property>
>                 <property id="cid"></property>
>                 <component id="description_of_plates" type="answer">
>                     <property id="ans">
>                         <value></value>
>                     </property>
>                 </component>
>             </component>
> 
> </DATA>
> 
> 
> **************************************************************
> **********************
> //XSL
> <xsl:call-template name="getvalue2">
> 	<xsl:with-param name="nodew">
>           /DATA/component/<xsl:value-of select="$reqnode"/>
>       </xsl:with-param>
>  	<xsl:with-param name="selectid">ans</xsl:with-param>
>       <xsl:with-param name="attr"><xsl:value-of 
> select="."/></xsl:with-param> </xsl:call-template>
> 
> 
> <xsl:template name="getvalue2" >
>         <xsl:param name="nodew"/>
>         <xsl:param name="selectid"/>
>         <xsl:param name="attr"/>
>         <xsl:value-of select="$nodew"/>
>         <xsl:call-template name="node:xpath">
> 	        <xsl:with-param name="node" >
>                 <xsl:value-of select="$nodew"/>
>                 </xsl:with-param>
> 	  </xsl:call-template>
> </xsl:template>
> **************************************************************
> **********************
> 
> 
> This code gives the following error
> 
> java.lang.ClassCastException; SystemID: 
> http://127.0.0.1:9999/liberty/xsl/node.xsl; Line#: 17; 
> Column#: 61 javax.xml.transform.TransformerException:j
>  ava.lang.ClassCastException at 
> org.apache.xalan.transformer.TransformerImpl.executeChildTempl
> ates(Unknown Source) at 
> org.apache.xalan.templates.ElemChoose.execute(Unknown Source) 
> at 
> org.apache.xalan.transformer.TransformerImpl.executeChildTempl
> ates(Unknown Source) at 
> org.apache.xalan.templates.ElemTemplate.execute(Unknown 
> Source) at 
> org.apache.xalan.templates.ElemCallTemplate.execute(Unknown 
> Source) at 
> org.apache.xalan.transformer.TransformerImpl.executeChildTempl
> ates(Unknown Source) at 
> org.apache.xalan.templates.ElemTemplate.execute(Unknown 
> Source) at 
> org.apache.xalan.templates.ElemCallTemplate.execute(Unknown 
> Source) at 
> org.apache.xalan.transformer.TransformerImpl.executeChildTempl
> ates(Unknown Source) at 
> org.apache.xalan.templates.ElemLiteralResult.execute(Unknown 
> Source) at 
> org.apache.xalan.transformer.TransformerImpl.executeChildTempl
> ates(Unknown Source) at 
> org.apache.xalan.templates.ElemLiteralResult.execute(Unknown 
> Source) at org.apache.xalan.transformer.TransformerImpl!
> .executeChildTemplates(Unknown Source) at 
> org.apache.xalan.templates.ElemLiteralResult.execute(Unknown 
> Source) at 
> org.apache.xalan.transformer.TransformerImpl.executeChildTempl
> ates(Unknown Source) at 
> org.apache.xalan.transformer.TransformerImpl.applyTemplateToNo
> de(Unknown Source)
> 
> 
> **************************************************************
> ****************
> node.xsl
> <?xml version="1.0"?>
> 
> <xsl:stylesheet version="1.0"
> 	xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> 	xmlns:node="http://xsltsl.org/node";
> 	>
> 
> 
> 
>   <xsl:template name="node:xpath">
>     <xsl:param name="node" select="."/>
> 
>     <xsl:choose>
> 
>       <xsl:when test="$node">
> 
>         <xsl:for-each select="$node[1]/ancestor-or-self::*">
>           <xsl:text/>/<xsl:value-of select="name()"/>
>           <xsl:text/>[<xsl:value-of 
> select="count(preceding-sibling::*[name() = name(current())]) 
> + 1"/>]<xsl:text/>
>         </xsl:for-each>
> 
>         <xsl:choose>
> 
>           <xsl:when test="$node[1]/self::comment()">
>             <xsl:text>/comment()</xsl:text>
>             <xsl:text/>[<xsl:value-of 
> select="count($node[1]/preceding-sibling::comment()) + 1" 
> />]<xsl:text/>
>           </xsl:when>
> 
>           <xsl:when test="$node[1]/self::processing-instruction()">
>             <xsl:text>/processing-instruction()</xsl:text>
>             <xsl:text/>[<xsl:value-of 
> select="count($node[1]/preceding-sibling::processing-instructi
> on()) + 1" />]<xsl:text/>
>           </xsl:when>
> 
>           <xsl:when test="$node[1]/self::text()">
>             <xsl:text>/text()</xsl:text>
>             <xsl:text/>[<xsl:value-of 
> select="count($node[1]/preceding-sibling::text()) + 1" />]<xsl:text/>
>           </xsl:when>
> 
>           <xsl:when test="not($node[1]/..)">
>             <xsl:text>/</xsl:text>
>           </xsl:when>
> 
>           <xsl:when test="count($node[1]/../namespace::* | 
> $node[1]) = count($node[1]/../namespace::*)">
>             <xsl:text/>/namespace::<xsl:value-of 
> select="name($node[1])" />
>           </xsl:when>
> 
>           <xsl:when test="count($node[1]/../@* | $node[1]) = 
> count($node[1]/../@*)">
>             <xsl:text/>/@<xsl:value-of select="name($node[1])" />
>           </xsl:when>
> 
>         </xsl:choose>      
>       </xsl:when>
> 
>       <xsl:otherwise>
>         <xsl:text>/..</xsl:text>
>       </xsl:otherwise>
> 
>     </xsl:choose>
> 
>   </xsl:template>
> 
> 
> 
>   <xsl:template name="node:type">
>     <xsl:param name="node" select="."/>
> 
>     <xsl:choose>
>       <xsl:when test="not($node)"/>
>       <xsl:when test="$node[1]/self::*">
> 	<xsl:text>element</xsl:text>
>       </xsl:when>
>       <xsl:when test="$node[1]/self::text()">
> 	<xsl:text>text</xsl:text>
>       </xsl:when>
>       <xsl:when test="$node[1]/self::comment()">
> 	<xsl:text>comment</xsl:text>
>       </xsl:when>
>       <xsl:when test="$node[1]/self::processing-instruction()">
> 	<xsl:text>processing instruction</xsl:text>
>       </xsl:when>
>       <xsl:when test="not($node[1]/parent::*)">
>         <xsl:text>root</xsl:text>
>       </xsl:when>
>       <xsl:when test="count($node[1] | 
> $node[1]/../namespace::*) = count($node[1]/../namespace::*)">
>         <xsl:text>namespace</xsl:text>
>       </xsl:when>
>       <xsl:when test="count($node[1] | $node[1]/../@*) = 
> count($node[1]/../@*)">
>         <xsl:text>attribute</xsl:text>
>       </xsl:when>
>     </xsl:choose>
>   </xsl:template>
> 
> </xsl:stylesheet>
> **************************************************************
> **************************************
> 
> --
> 
> 
> MASTEK
> "Making a valuable difference"
> Mastek in NASSCOM's 'India Top 20' Software Service Exporters 
> List. In the US, we're called MAJESCO
> 
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