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Posted to users@maven.apache.org by Steven Rowe <sa...@syr.edu> on 2007/04/20 22:47:34 UTC
RE: NPE in PluginXDocGenerator while creating plugin site
I'm running into (what appears to be) the exact same problem that Tom
Huybrechts described a few months ago, with Maven v2.0.6 and
maven-site-plugin v2.0-beta-5.
Tom, did you ever resolve this problem? I also attempted (without
success) to use maven-site-plugin v2.0-SNAPSHOT, but it failed with
errors about not being able to find one of its own mojos, but for
v2.0-beta-3-SNAPSHOT...
Anyway, here's the output I get:
[INFO] [site:site]
[INFO] Skipped "About" report, file "index.html" already exists for the
English version.
[INFO] Skipped "Maven Surefire Report" report, file
"surefire-report.html" already exists for the English version.
[INFO] Generate "Plugin documentation" report.
[INFO] Using 2 extractors.
[INFO] Applying extractor for language: java
[INFO] Extractor for language: java found 3 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:253)
at
org.apache.maven.tools.plugin.generator.PluginXdocGenerator.writeGoalParameterTable(PluginXdocGenerator.java:239)
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)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
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:585)
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)
On 2007-01-03, Tom Huybrechts wrote:
> 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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