NPE in PluginXDocGenerator while creating plugin site

[Tom Huybrechts <to...@gmail.com>]

Hi folks,

I'm getting aNPE when generating a site for a plugin. It looks like
the java mojos get processed OK, but when it looks for bsh mojos
(which I don't have) the NPE is thrown.

Running 2.0.4 with the latest releases of all plugins

Any tips ?

[INFO] [site:site]
[WARNING] No URL defined for the project - decoration links will not be resolved
[INFO] Generate "Plugin documentation" report.
[INFO] Using 2 extractors.
[INFO] Applying extractor for language: java
[INFO] Extractor for language: java found 15 mojo descriptors.
[INFO] Applying extractor for language: bsh
[INFO] Extractor for language: bsh found 0 mojo descriptors.
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] null
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.NullPointerException
        at org.apache.maven.tools.plugin.generator.PluginXdocGenerator.filterParameters(PluginXdocGenerator.java:245)
        at org.apache.maven.tools.plugin.generator.PluginXdocGenerator.writeGoalParameterTable(PluginXdocGenerator.java:231)
        at org.apache.maven.tools.plugin.generator.PluginXdocGenerator.writeBody(PluginXdocGenerator.java:122)
        at org.apache.maven.tools.plugin.generator.PluginXdocGenerator.processMojoDescriptor(PluginXdocGenerator.java:61)
        at org.apache.maven.tools.plugin.generator.PluginXdocGenerator.execute(PluginXdocGenerator.java:49)
        at org.apache.maven.plugin.plugin.PluginReport.generatePluginDocumentation(PluginReport.java:192)
        at org.apache.maven.plugin.plugin.PluginReport.executeReport(PluginReport.java:141)
        at org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:98)
        at org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:67)
        at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:239)
        at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:115)
        at org.apache.maven.plugins.site.SiteMojo.renderLocale(SiteMojo.java:124)
        at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:92)

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