[Webtest] [webtest][JIRA] Closed: (WT-353) Weird NullPointerException in Ant XSLT task with recent splitted reports

Marc Guillemot (JIRA) Marc Guillemot (JIRA)" <noreply@canoo.com
Thu, 22 Nov 2007 17:33:38 +0100 (CET)


     [ http://webtest-community.canoo.com/jira/browse/WT-353?page=all ]
     
Marc Guillemot closed WT-353:
-----------------------------

    Resolution: Fixed

Fixed in build 1641.

The problem seemed to be caused by
<xsl:number/>
in the template matching step.

Changing it to 
<xsl:number value="position()"/>
generates the same result and the error seems to disappear.

> Weird NullPointerException in Ant XSLT task with recent splitted reports
> ------------------------------------------------------------------------
>
>          Key: WT-353
>          URL: http://webtest-community.canoo.com/jira/browse/WT-353
>      Project: WebTest
>         Type: Bug

>     Versions: future versions
>     Reporter: Marc Guillemot
>     Assignee: Marc Guillemot
>      Fix For: future versions

>
> Since a few build a report is created per <webtest> and Ant xslt task is called with a mapper to transform all single result files in one run. This causes a strange NullPointerException in com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl (see stacktrace below): for instance with the test of the demo project, this occurs when the second xml file get transformed and if the transformation target is called again, no error occurs.
> Strangely the problem occurs only when calling ant directly: no exception occurs when the test are run with the webtest script.
> javax.xml.transform.TransformerException: java.lang.NullPointerException
>         at org.apache.tools.ant.taskdefs.XSLTProcess.process(XSLTProcess.java:512)
>         at org.apache.tools.ant.taskdefs.XSLTProcess.execute(XSLTProcess.java:257)
>         at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
>         at org.apache.tools.ant.Task.perform(Task.java:364)
>         at org.apache.tools.ant.Target.execute(Target.java:341)
>         at org.apache.tools.ant.Target.performTasks(Target.java:369)
>         at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
>         at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
>         at org.apache.tools.ant.Main.runBuild(Main.java:668)
>         at org.apache.tools.ant.Main.startAnt(Main.java:187)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> Caused by: javax.xml.transform.TransformerException: java.lang.NullPointerException
>         at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:718)
>         at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:313)
>         at org.apache.tools.ant.taskdefs.optional.TraXLiaison.transform(TraXLiaison.java:135)
>         at org.apache.tools.ant.taskdefs.XSLTProcess.process(XSLTProcess.java:502)
>         ... 13 more
> Caused by: java.lang.NullPointerException
>         at com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2DTM2.getExpandedTypeID2(SAX2DTM2.java:2015)
>         at com.sun.org.apache.xalan.internal.xsltc.dom.DOMAdapter.getExpandedTypeID(DOMAdapter.java:231)
>         at com.sun.org.apache.xalan.internal.xsltc.dom.SingleNodeCounter$DefaultSingleNodeCounter.setStartNode(SingleNodeCounter.java:102)
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.stepParameterCell()
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.stepParameterCell()
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.template$dot$5()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.template$dot$0()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.transform()
>         at com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet.transform(AbstractTranslet.java:602)
>         at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:711)
>         ... 16 more
> --- Nested Exception ---
> javax.xml.transform.TransformerException: java.lang.NullPointerException
>         at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:718)
>         at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:313)
>         at org.apache.tools.ant.taskdefs.optional.TraXLiaison.transform(TraXLiaison.java:135)
>         at org.apache.tools.ant.taskdefs.XSLTProcess.process(XSLTProcess.java:502)
>         at org.apache.tools.ant.taskdefs.XSLTProcess.execute(XSLTProcess.java:257)
>         at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
>         at org.apache.tools.ant.Task.perform(Task.java:364)
>         at org.apache.tools.ant.Target.execute(Target.java:341)
>         at org.apache.tools.ant.Target.performTasks(Target.java:369)
>         at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
>         at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
>         at org.apache.tools.ant.Main.runBuild(Main.java:668)
>         at org.apache.tools.ant.Main.startAnt(Main.java:187)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> Caused by: java.lang.NullPointerException
>         at com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2DTM2.getExpandedTypeID2(SAX2DTM2.java:2015)
>         at com.sun.org.apache.xalan.internal.xsltc.dom.DOMAdapter.getExpandedTypeID(DOMAdapter.java:231)
>         at com.sun.org.apache.xalan.internal.xsltc.dom.SingleNodeCounter$DefaultSingleNodeCounter.setStartNode(SingleNodeCounter.java:102)
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.stepParameterCell()
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.stepParameterCell()
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.template$dot$5()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.template$dot$0()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.transform()
>         at com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet.transform(AbstractTranslet.java:602)
>         at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:711)
>         ... 16 more
> ---------
> java.lang.NullPointerException
>         at com.sun.org.apache.xml.internal.dtm.ref.sax2dtm.SAX2DTM2.getExpandedTypeID2(SAX2DTM2.java:2015)
>         at com.sun.org.apache.xalan.internal.xsltc.dom.DOMAdapter.getExpandedTypeID(DOMAdapter.java:231)
>         at com.sun.org.apache.xalan.internal.xsltc.dom.SingleNodeCounter$DefaultSingleNodeCounter.setStartNode(SingleNodeCounter.java:102)
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.stepParameterCell()
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.stepParameterCell()
>         at WebTestReport.template$dot$11()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.renderNestedStepTable()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.template$dot$5()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.template$dot$0()
>         at WebTestReport.applyTemplates()
>         at WebTestReport.transform()
>         at com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet.transform(AbstractTranslet.java:602)
>         at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:711)
>         at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:313)
>         at org.apache.tools.ant.taskdefs.optional.TraXLiaison.transform(TraXLiaison.java:135)
>         at org.apache.tools.ant.taskdefs.XSLTProcess.process(XSLTProcess.java:502)
>         at org.apache.tools.ant.taskdefs.XSLTProcess.execute(XSLTProcess.java:257)
>         at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
>         at org.apache.tools.ant.Task.perform(Task.java:364)
>         at org.apache.tools.ant.Target.execute(Target.java:341)
>         at org.apache.tools.ant.Target.performTasks(Target.java:369)
>         at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
>         at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
>         at org.apache.tools.ant.Main.runBuild(Main.java:668)
>         at org.apache.tools.ant.Main.startAnt(Main.java:187)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)

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