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http://jira.codehaus.org/browse/DOXIA-240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=134812#action_134812
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Lukas Theussl commented on DOXIA-240:
-------------------------------------
With additional info from IRC I could reproduce it, testcase is submitted [1].
There is a problem with the toc macro in xdoc: the macroParameters HashMap in
XdocParser is initialized with an opening <param> tag only, but it is accessed
without a null check when closing <macro> so you get an NPE with something like
<macro name="toc"/>.
[1] http://svn.apache.org/viewvc?view=rev&revision=656273
> NPE when building documentation
> -------------------------------
>
> Key: DOXIA-240
> URL: http://jira.codehaus.org/browse/DOXIA-240
> Project: Maven Doxia
> Issue Type: Bug
> Environment: linux, java 6_10
> Reporter: Matthew Pocock
>
> I'm getting NPE when building site docs, with no indication in the
> stack-trace as to what has gone wrong. Different things happen if I build
> from clean or build again on top of a failed build.
> In the site directory, I type: mvn site
> This builds some archives for child modules and then starts chewing on the
> dox files. It fails part way with a NPE. You can get the code that triggers
> this from subversion:
> http://metagenome.ncl.ac.uk/subversion/instantsoap/trunk/instantsoap/site/
> revision 598
> The stack-trace looks like this:
> [INFO] [site:site]
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] null
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
> at
> org.apache.maven.doxia.module.xdoc.XdocParser.handleEndTag(XdocParser.java:467)
> at
> org.apache.maven.doxia.parser.AbstractXmlParser.parseXml(AbstractXmlParser.java:92)
> at
> org.apache.maven.doxia.parser.AbstractXmlParser.parse(AbstractXmlParser.java:53)
> at
> org.apache.maven.doxia.module.xdoc.XdocParser.parse(XdocParser.java:99)
> at org.apache.maven.doxia.DefaultDoxia.parse(DefaultDoxia.java:59)
> at
> org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderDocument(DefaultSiteRenderer.java:342)
> at
> org.apache.maven.doxia.siterenderer.DoxiaDocumentRenderer.renderDocument(DoxiaDocumentRenderer.java:46)
> at
> org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:269)
> at
> org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:101)
> at
> org.apache.maven.plugins.site.SiteMojo.renderLocale(SiteMojo.java:129)
> at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:96)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:499)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:478)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
> at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
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