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https://issues.apache.org/jira/browse/XALANJ-2513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Henry Zongaro resolved XALANJ-2513.
-----------------------------------
Resolution: Invalid
Resolving as invalid, as it's caused by using a combination of classes from the
Java run-time environment and the user's class path that is incompatible.
> TransformerException: NullPointerException with Java 1.6 on AIX
> ---------------------------------------------------------------
>
> Key: XALANJ-2513
> URL: https://issues.apache.org/jira/browse/XALANJ-2513
> Project: XalanJ2
> Issue Type: Bug
> Security Level: No security risk; visible to anyone(Ordinary problems in
> Xalan projects. Anybody can view the issue.)
> Components: transformation, Xalan
> Affects Versions: 2.7.1
> Environment: AIX 5.2, IBM SDK Version 6, Xalan-J 2.7.1
> Reporter: Robert Quan
>
> Attempting to use trax to perform a transformation using IBM SDK Java 6 on
> AIX will result in a TransformerException: java.null.NullPointerException.
> If one was to use IBM Java 5, the transformation will run without issue.
> The following details the data required to reproduce the issue:
> Stylesheet (sort.xsl) - Note that the stylesheet will be precompiled into a
> translet in a jar called ipteXslTranslets.jar
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE xsl:stylesheet [
> <!ENTITY nbsp " "> <!-- NO-BREAK SPACE -->
> ]>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
> <xsl:output method="html" indent="yes" />
> <xsl:param name="rowstart">1</xsl:param>
> <xsl:param name="rowlimit">20</xsl:param>
> <xsl:param name="sortcolumn">5</xsl:param>
> <xsl:param name="sorttype">number</xsl:param>
> <xsl:param name="sortorder">descending</xsl:param>
> <xsl:template match="/">
> <xsl:apply-templates />
> </xsl:template>
> <xsl:template match="*/p">
> <xsl:copy-of select="." />
> </xsl:template>
> <xsl:template match="*/pre">
> <xsl:copy-of select="." />
> </xsl:template>
> <xsl:template match='*/tab...@class="summary"]'>
> <xsl:copy-of select="." />
> </xsl:template>
> <xsl:template name="getActualRowstart">
> <xsl:param name="totalrows" />
> <xsl:choose>
> <xsl:when test="0 = $totalrows">
> <xsl:text>0</xsl:text>
> </xsl:when>
> <xsl:when test="$rowstart > $totalrows">
> <xsl:value-of select="(floor(($totalrows - 1) div $rowlimit) *
> $rowlimit) + 1"/>
> </xsl:when>
> <xsl:otherwise>
> <xsl:value-of select="$rowstart"/>
> </xsl:otherwise>
> </xsl:choose>
> </xsl:template>
> <xsl:template match='*/tab...@class="formatted"]'>
> <xsl:variable name="totalrows"><xsl:value-of select="count(tbody/tr)"
> /></xsl:variable>
> <xsl:variable name="actualRowstart">
> <xsl:call-template name="getActualRowstart">
> <xsl:with-param name="totalrows" select="$totalrows"/>
> </xsl:call-template>
> </xsl:variable>
> <xsl:copy>
> <xsl:copy-of select="@*" />
> <xsl:apply-templates />
> </xsl:copy>
> <div class="table-metadata" style="display: none;">
> <span class="table-metadata-total-rows"><xsl:value-of
> select="$totalrows" /></span>
> </div>
> <div class="table-metadata" style="display: none;">
> <span class="table-metadata-row-start"><xsl:value-of
> select="$actualRowstart" /></span>
> </div>
> </xsl:template>
> <xsl:template match="thead|tfoot">
> <xsl:copy-of select="." />
> </xsl:template>
> <xsl:template match="tbody">
> <xsl:variable name="totalrows"><xsl:value-of select="count(tr)"
> /></xsl:variable>
> <xsl:variable name="actualRowstart">
> <xsl:call-template name="getActualRowstart">
> <xsl:with-param name="totalrows" select="$totalrows"/>
> </xsl:call-template>
> </xsl:variable>
> <tbody>
> <xsl:for-each select="tr">
> <xsl:sort select="td[position() = $sortcolumn]"
> order="{$sortorder}" data-type="{$sorttype}" />
> <xsl:if test="position() >= $actualRowstart and
> position() < $actualRowstart + $rowlimit">
> <xsl:element name="tr">
> <xsl:choose>
> <xsl:when test="position() mod 2 = 1">
> <xsl:attribute name="class">shaded</xsl:attribute>
> </xsl:when>
> </xsl:choose>
> <xsl:copy-of select="*" />
> </xsl:element>
> </xsl:if>
> </xsl:for-each>
> </tbody>
> </xsl:template>
> </xsl:stylesheet>
> Input XML data (0.xml)
> ------------------------------
> <div>
> <BR/><table xmlns:java="http://xml.apache.org/xslt/java"; class="summary"
> cellSpacing="0" width="400" border="0">
> <tr>
> <td>Elapsed Time (hh:mm:ss): 00:01:20</td>
> </tr>
> <tr>
> <td>VLAN 530</td>
> </tr>
> </table><table xmlns:java="http://xml.apache.org/xslt/java"; class="formatted"
> width="600">
> <thead>
> <th class="columnHeader sortAsText" width="16%">Address</th><th
> class="columnHeader sortAsNumbers" width="12%"><a href=""
> onclick="return(top.graphSingleTimestampResults('graphName=top-talk-grph|desc=SmartSight
> Top Talkers by MAC for VLAN
> 530|cir=10000|dir=|dataSetIndex=1|count=3|label1=0011.434E.8044|value1=0.0|label2=0012.F01A.ED76|value2=0.0|label3=0003.FEAB.6C23|value3=0.0|deviceId=2'));">Bit
> Rate
> (Mbps)</a></th><th class="columnHeader sortAsNumbers" width="12%">Utilization
> (% of CIR)</th><th class="columnHeader sortAsNumbers" width="12%">Pkt Rate
> (pkts/sec)</th><th class="columnHeader sortAsNumbers" width="12%">Total Bit
> Count (Mb)</th><th class="columnHeader sortAsNumbers" width="12%">Total Pkt
> Count</th>
> </thead>
> <tbody>
> <tr class="shaded">
> <td class="rowDataLeft">0011.434E.8044</td><td
> class="rowDataRight">0.000</td><td class="rowDataRight">0.000</td><td
> class="rowDataRight">0.433</td><td class="rowDataRight">0.026</td><td
> class="rowDataRight">32</td>
> </tr>
> <tr class="">
> <td class="rowDataLeft">0012.F01A.ED76</td><td
> class="rowDataRight">0.000</td><td class="rowDataRight">0.000</td><td
> class="rowDataRight">0.200</td><td class="rowDataRight">0.014</td><td
> class="rowDataRight">16</td>
> </tr>
> <tr class="shaded">
> <td class="rowDataLeft">0003.FEAB.6C23</td><td
> class="rowDataRight">0.000</td><td class="rowDataRight">0.000</td><td
> class="rowDataRight">0.500</td><td class="rowDataRight">0.023</td><td
> class="rowDataRight">40</td>
> </tr>
> </tbody>
> </table>
> </div>
> Source Code (XsltTest.java)
> --------------------------------------
> package test.xslt;
> import java.io.File;
> import javax.xml.transform.Transformer;
> import javax.xml.transform.TransformerFactory;
> import javax.xml.transform.stream.StreamResult;
> import javax.xml.transform.stream.StreamSource;
> import javax.xml.transform.Templates;
> /**
> *
> * @author dmalykhanov
> */
> public class XsltTest {
> private TransformerFactory tf;
> //static {
> // System.setProperty(
> // "javax.xml.transform.TransformerFactory",
> // "org.apache.xalan.xsltc.trax.TransformerFactoryImpl"
> // );
> //}
> public static void main(String... args) throws Exception {
> XsltTest app = new XsltTest();
> System.exit(app.run(args));
> }
> private int run(String[] args) throws Exception {
> tf = TransformerFactory.newInstance();
> tf.setAttribute("use-classpath", Boolean.TRUE);
> Transformer xslp = tf.newTransformer(new StreamSource(args[1]));
> xslp.transform(new StreamSource(new File(args[0])), new
> StreamResult(System.out));
> return 0;
> }
> }
> Shell script used to run transformation
> ----------------------------------------------------
> #!/bin/sh
> CLASSPATH='.:/spirent/metro/5.000/IPTE/ipte/WEB-INF/lib/ipteXslTranslets.jar:/afs/hekimian.com/cm-cots/ALL-OS/xalan-j/2.7.1-CM1/xalan.jar:/afs/hekimian.com/cm-cots/ALL-OS/xalan-j/2.7.1-CM1/serializer.jar:/afs/hekimian.com/cm-cots/ALL-OS/xalan-j/2.7.1-CM1/xercesImpl.jar:/afs/hekimian.com/cm-cots/ALL-OS/xalan-j/2.7.1-CM1/xml-apis.jar:'
> export CLASSPATH
> exec /spirent/cots/java/1.6/jre/bin/java \
> -Djaxp.debug=1 \
>
> -Djavax.xml.transform.TransformerFactory=org.apache.xalan.xsltc.trax.TransformerFactoryImpl
> \
>
> -Djavax.xml.parsers.DocumentBuilderFactory=org.apache.xerces.jaxp.DocumentBuilderFactoryImpl
> \
>
> -Djavax.xml.parsers.SAXParserFactory=org.apache.xerces.jaxp.SAXParserFactoryImpl
> \
> test.xslt.XsltTest "$@"
> ** Note: ipteXslTranslets.jar contains the precompiled stylesheet sort.xsl
> ** Note: Commenting out the directive to reassign the TransformerFactory to
> trax.TransformerFactoryImpl will not generate the exception and the
> transformation will work
> Command line command to run the transformation
> ----------------------------------------------------------------------
> $ run.sh 0.xml sort
> ** Note: 0.xml contains the input xml as provided above
> ** Note: sort is the precompiled translet class for the stylesheet provided
> above
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