Hello Chris,
Try putting xalan-2.4.0.jar in JAVA_HOME/jre/lib/endorsed. Make sure
you stop all java processes before doing this. Then restart Tomcat.
Jake
Tuesday, November 12, 2002, 10:43:29 AM, you wrote:
CH> I've got a strange problem with tomcat transforming an xml document with
CH> xsl apparently only on Linux. Below is a small portion of the style
CH> sheet that is relevant:
CH> <xsl:template match="/">
CH> <xsl:apply-templates/>
CH> </xsl:template>
CH> <xsl:template match="grammar:rule">
CH> <!--Make sure this is capital-->
CH> <xsl:if test="string(parent::node()/@root) != string(./@id)">
CH> <xsl:value-of select="translate(substring(@id, 1, 1),
CH> 'abcdefghijklmnopqrstuvwxyz','ABCDEFGHIJKLMNOPQRSTUVWXYZ')"/><xsl:value-of
CH> select="translate(substring(@id, 2), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
CH> 'abcdefghijklmnopqrstuvwxyz')"/>
CH> </xsl:if>
CH> (
CH> <xsl:apply-templates/>
CH> )
CH> </xsl:template>
CH> <xsl:template match="grammar:one-of">
CH> <xsl:variable name="weights">
CH> <xsl:value-of select="sum(grammar:item/@weight)"/>
CH> </xsl:variable>
CH> [<xsl:for-each select="grammar:item"><xsl:choose>
CH> <xsl:when test="@repeat='0-1'"><xsl:text>
CH> </xsl:text>?<xsl:apply-templates/><xsl:if
CH> test="string(@weight)!=''">~<xsl:value-of select="concat('0.',
CH> string(round((number(@weight) div
CH> number($weights))*10)))"/></xsl:if><xsl:text> </xsl:text></xsl:when>
CH> <xsl:when test="@repeat='0+'">
CH> <xsl:text> </xsl:text>*(<xsl:apply-templates/>)<xsl:if
CH> test="string(@weight)!=''">~<xsl:value-of select="concat('0.',
CH> string(round((number(@weight) div
CH> number($weights))*10)))"/></xsl:if><xsl:text> </xsl:text>
CH> </xsl:when>
CH> <xsl:when test="@repeat='1+'">
CH> <xsl:text> </xsl:text>+(<xsl:apply-templates/>)<xsl:if
CH> test="string(@weight)!=''">~<xsl:value-of select="concat('0.',
CH> string(round((number(@weight) div
CH> number($weights))*10)))"/></xsl:if><xsl:text> </xsl:text>
CH> </xsl:when>
CH> <xsl:otherwise>(<xsl:apply-templates/>)<xsl:if
CH> test="string(@weight)!=''">~<xsl:value-of select="concat('0.',
CH> string(round((number(@weight) div
CH> number($weights))*10)))"/></xsl:if><xsl:text> </xsl:text></xsl:otherwise>
CH> </xsl:choose></xsl:for-each>]
CH> </xsl:template>
CH> <xsl:template match="grammar:item">
CH> <xsl:choose>
CH> <xsl:when test="@repeat='0-1'"><xsl:text>
CH> </xsl:text>?<xsl:apply-templates/><xsl:if
CH> test="string(@repeat-prob)!=''">~<xsl:value-of
CH> select="@repeat-prob"/></xsl:if><xsl:text> </xsl:text></xsl:when>
CH> <xsl:when test="@repeat='0+'">
CH> <xsl:text> </xsl:text>*(<xsl:apply-templates/>)<xsl:if
CH> test="string(@repeat-prob)!=''">~<xsl:value-of
CH> select="@repeat-prob"/></xsl:if><xsl:text> </xsl:text>
CH> </xsl:when>
CH> <xsl:when test="@repeat='1+'">
CH> <xsl:text> </xsl:text>+(<xsl:apply-templates/>)<xsl:if
CH> test="string(@repeat-prob)!=''">~<xsl:value-of
CH> select="@repeat-prob"/></xsl:if><xsl:text> </xsl:text>
CH> </xsl:when>
CH> <xsl:otherwise>(<xsl:apply-templates/>)<xsl:if
CH> test="string(@repeat-prob)!=''">~<xsl:value-of
CH> select="@repeat-prob"/></xsl:if><xsl:text> </xsl:text></xsl:otherwise>
CH> </xsl:choose>
CH> </xsl:template>
CH> <xsl:template match="grammar:tag">
CH> <xsl:choose>
CH> <xsl:when test="starts-with(string(text()),'Append')"></xsl:when>
CH> <xsl:otherwise>{<xsl:value-of select="'<'"
CH> disable-output-escaping="yes"/><xsl:value-of
CH> select="substring-before(text(),'=')"/><xsl:text>
CH> "</xsl:text><xsl:value-of
CH> select="substring-before(substring-after(text(),'="'),
'"')"/>><xsl:text>"</xsl:text><xsl:value-of select="'>'"
CH> disable-output-escaping="yes"/>}</xsl:otherwise>
CH> </xsl:choose>
CH> </xsl:template>
CH> <xsl:template match="grammar:item/text()"><xsl:value-of
CH> select="normalize-space(translate(., 'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
CH> 'abcdefghijklmnopqrstuvwxyz'))"/></xsl:template>
CH> <xsl:template match="*|@*|text()" priority="-1">
CH> <xsl:copy>
CH> <xsl:copy-of select="@*"/>
CH> <xsl:apply-templates/>
CH> </xsl:copy>
CH> </xsl:template>
CH> </xsl:stylesheet>
CH> Below is a subset of the xml I'm parsing:
CH> <field name="browse_subject" expr="/'default/'">
CH> <grammar version="1.0"
CH> xmlns="http://www.w3.org/2001/06/grammar"; root="subject_grammar"
CH> type="application/grammar+xml">
CH> <rule id="subject_grammarOpening">
CH> <one-of>
CH> <item>
CH> Do this for me
CH> </item>
CH> <item>
CH> I want
CH> </item>
CH> <item>
CH> Give me
CH> </item>
CH> <item>
CH> I demand
CH> </item>
CH> <item>
CH> I'd like
CH> </item>
CH> <item>
CH> I would like
CH> </item>
CH> </one-of>
CH> </rule>
CH> <rule id="subject_grammarSelection" scope="public">
CH> <one-of><item>default<tag>browse_subject="default"</tag></item></one-of>
CH> </rule>
CH> <rule id="subject_grammarClosing">
CH> <one-of>
CH> <item>
CH> now
CH> </item>
CH> <item>
CH> please
CH> </item>
CH> <item>
CH> that's all
CH> </item>
CH> <item>
CH> right now
CH> </item>
CH> </one-of>
CH> </rule>
CH> <rule id="subject_grammar" scope="public">
CH> <item repeat="0-1">
CH> <ruleref uri="#subject_grammarOpening"/>
CH> </item>
CH> <ruleref uri="#subject_grammarSelection"/>
CH> <item repeat="0-1">
CH> <ruleref uri="#subject_grammarClosing"/>
CH> </item>
CH> </rule>
CH> <rule id="subject_grammarOpening">
CH> <one-of>
CH> <item>
CH> Do this for me
CH> </item>
CH> <item>
CH> I want
CH> </item>
CH> <item>
CH> Give me
CH> </item>
CH> <item>
CH> I demand
CH> </item>
CH> <item>
CH> I'd like
CH> </item>
CH> <item>
CH> I would like
CH> </item>
CH> </one-of>
CH> </rule>
CH> <rule id="subject_grammarSelection" scope="public">
CH> <one-of><item>default<tag>browse_subject="default"</tag></item></one-of>
CH> </rule>
CH> <rule id="subject_grammarClosing">
CH> <one-of>
CH> <item>
CH> now
CH> </item>
CH> <item>
CH> please
CH> </item>
CH> <item>
CH> that's all
CH> </item>
CH> <item>
CH> right now
CH> </item>
CH> </one-of>
CH> </rule>
CH> </grammar>
CH> </field>
CH> I've repeated the rule id="subject_grammarClosing" to show off the
CH> problem tomcat is having with parsing this.
CH> below is the correct transform that occurs from the commmand line with
CH> jdk 1.3.1+, from standalone applications with jdk 1.3.1+ and from the
CH> Windows version of tomcat 4.0.4 with jdk 1.4.1. I'm using xalan
CH> 2.1.0+(I've tried several) and xerces 2.2.1. This is the correct output:
CH> <field name="browse_subject" expr="/'default/'">
CH> <grammar type="application/x-gsl"><![CDATA[
CH> Subject_grammaropening
CH> (
CH> [(do this for me) (i want) (give me) (i demand) (i'd like) (i
CH> would like) ]
CH> )
CH> Subject_grammarselection
CH> (
CH> [(default{<browse_subject "default">}) ]
CH> )
CH> Subject_grammarclosing
CH> (
CH> [(now) (please) (that's all) (right now) ]
CH> )
CH> (
CH> ?Subject_grammaropening
CH> Subject_grammarselection
CH> ?Subject_grammarclosing
CH> )
CH> Subject_grammaropening
CH> (
CH> [(do this for me) (i want) (give me) (i demand) (i'd like) (i
CH> would like) ]
CH> )
CH> Subject_grammarselection
CH> (
CH> [(default{<browse_subject "default">}) ]
CH> )
CH> Subject_grammarclosing
CH> (
CH> [(now) (please) (that's all) (right now) ]
CH> )
CH> ]]></grammar></field>
CH> This is the problem result when running the transformation in tomcat
CH> under linux with jdk 1.3.1 and jdk1.4.1, both blackdown and sun, and
CH> Tomcat 3.3.1 to Tomcat 4.0.6.
CH> <field name="browse_subject" expr="/'default/'">
CH> <grammar type="application/x-gsl"><![CDATA[
CH> Subject_grammaropening
CH> (
CH> [(do this for me) (i want) (give me) (i demand) (i'd like) (i would like)
]>}) ]
CH> )
CH> Subject_grammarclosing
CH> (
CH> [(now) (please) (that's all) (right now) ]
CH> )
CH> (
CH> ?Subject_grammaropening
Subject_grammarselection
CH> ?Subject_grammarclosing
CH> )
CH> Subject_grammaropening
CH> (
CH> [(do this for me) (i want) (give me) (i demand) (i'd like) (i would like) ]
CH> )
CH> Subject_grammarselection
CH> (
CH> [(default{<browse_subject default>}) ]
CH> )
CH> Subject_grammarclosing
CH> (
CH> [(now) (please) (that's all) (right now) ]
CH> )
CH> ]]></grammar></field>
CH> As you can see these extra characters ">}) ]" are printed on
Subject_grammarOpening line and the next element Subject_grammarSelection is ignored
only for the first instance of the elements. The
CH> repeated. second set of elements work fine.
CH> In a series of these field/grammar elements, there is a repeating
CH> pattern where the first element with one-of child elements will fail to
CH> see the closing tag and start into the next sibling element. This cannot
CH> be a bug in xerces or xalan, because the standalone apps work fine. I'm
CH> familar with the problems with making sure the correct parser is being
CH> read into the classpath in tomcat and can assure you I've replace each
CH> instance of the installed xerces with multiple different versions,
CH> renaming them aaaxerces just to make sure they're picked up first. This
CH> cannot be a bug in java linux because the standalone applications work
CH> fine, I've also done the transformation inside of netbeans and jbuilder.
CH> The only piece left is tomcat. The windows version of tomcat 4.0.4 works
CH> fine for both jdk 1.3.1 and jdk1.4. Only different tomcat versions on
CH> linux have this problem. Below is code from the test servlet I wrote.
CH> protected void processRequest(HttpServletRequest request,
CH> HttpServletResponse response)
CH> throws ServletException, IOException {
CH> try
CH> {
CH> if(request.getParameter("inputType")!=null &&
CH> request.getParameter("outputType")!=null &&
CH> request.getParameter("withTemplate")!=null &&
CH> request.getParameter("inputSource")!=null)
CH> {
CH> String inputUrl = request.getParameter("inputSource");
CH> javax.xml.transform.Transformer transformer = null;
CH> javax.xml.transform.Source inputSource = null;
CH> if(request.getParameter("inputType").equals("stringReader"))
CH> {
CH> BufferedReader in = new BufferedReader(new
CH> FileReader(inputUrl));
CH> StringBuffer sb = new StringBuffer();
CH> String str;
CH> while ((str = in.readLine()) != null) {
CH> sb.append(str);
CH> }
CH> in.close();
CH> inputSource = new
CH> javax.xml.transform.stream.StreamSource(new StringReader(sb.toString()));
CH> }
CH> else
CH> {
CH> inputSource = new javax.xml.transform.sax.SAXSource(new
CH> org.xml.sax.InputSource(new java.io.FileInputStream(inputUrl)));
CH> }
CH> if(request.getParameter("withTemplate").equals("testWithTemplate"))
CH> {
CH> javax.xml.transform.TransformerFactory tFactory =
CH> javax.xml.transform.TransformerFactory.newInstance();
CH> javax.xml.transform.Templates template = tFactory.newTemplates(new
CH> javax.xml.transform.sax.SAXSource(new org.xml.sax.InputSource(
CH> new java.io.FileInputStream(request.getParameter("templateSource")))));
CH> transformer = template.newTransformer();
CH> }
CH> else
CH> {
CH> // 1. Instantiate a TransformerFactory.
CH> javax.xml.transform.TransformerFactory tFactory =
CH> javax.xml.transform.TransformerFactory.newInstance();
CH> // 2. Use the TransformerFactory to process the stylesheet
CH> Source and
CH> // generate a Transformer.
CH> transformer = tFactory.newTransformer(new
CH> javax.xml.transform.sax.SAXSource(new org.xml.sax.InputSource(new
CH> java.io.FileInputStream(request.getParameter("templateSource")))));
CH> }
CH> if(request.getParameter("outputType").equals("printWriter"))
CH> {
CH> response.setContentType("text/xml");
CH> PrintWriter out = response.getWriter();
CH> transformer.transform(inputSource, new
CH> javax.xml.transform.stream.StreamResult(out));
CH> out.close();
CH> }
CH> else
CH> {
CH> transformer.transform(inputSource, new
CH> javax.xml.transform.stream.StreamResult(new
CH> java.io.FileWriter(request.getParameter("outputfile"))));
CH> response.setContentType("text/html");
CH> java.io.PrintWriter out = response.getWriter();
CH> out.println("<html><head></head><body><a "+
CH> "href=\"file://"+request.getParameter("outputfile")+"\">test "+
CH> "results</a></body></html>");
CH> }
CH> }
CH> else
CH> {
CH> response.setContentType("text/html");
CH> java.io.PrintWriter out = response.getWriter();
CH> out.println("<html><head></head><body><form action=\"test\">input "+
CH> "type:<select name=\"inputType\"><option value=\"stringReader\">String "+
CH> "Reader Test</option> "+
CH> "<option value=\"fileReader\">File Reader Test</option> "+
CH> "</select> with template?<select name=\"withTemplate\"><option "+
CH> "value=\"testWithTemplate\">With Template</option><option "+
CH> "value=\"testWithoutTemplate\">No Template "+
CH> "Test</option></select> output type:<select "+
CH> "name=\"outputType\"><option value=\"tfileWriter\">File Writer "+
CH> "Test</option><option value=\"printWriter\">Print Writer "+
CH> "Test</option></select> input source: <input type=\"text\"
CH> name=\"inputSource\" size=\"40\"/> xsl source<input
CH> type=\"text\" name=\"templateSource\"
size=\"40\"/>> optional(if using file writer) output
CH> file<input type=\"text\" name=\"outputfile\" size=\"40\"/><input
CH> type=\"submit\" name=\"submit\" "+
"value=\"submit\"/>></form></body></html>");
CH> }
CH> }
CH> catch(Throwable t)
CH> {
CH> t.printStackTrace();
CH> }
CH> }
CH> Does anyone have any ideas what is going on inside of tomcat that would
CH> cause this kind of odd transformation? If anyone is willing to assist I
CH> can share the test webapp alone with a sample stylesheet and a sample
CH> xml document.
CH> Thanks,
CH> Chris Hazen
CH> [EMAIL PROTECTED]
CH> 913-234-8075
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Best regards,
Jacob mailto:hoju@;visi.com
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