[ http://jira.codehaus.org/browse/MNG-2981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_96883 ]
Jason Melnick edited comment on MNG-2981 at 5/23/07 4:34 PM: ------------------------------------------------------------- The previous patch did a null check after the error would have happened - typo? Anyway, here is the correct patch. Thanks Steve for finding the problem, I just modified it. was: The previous patch did a null check after the error would have happened - typo? Anyway, here is the correct patch. > [PATCH] NPE in PluginXDocGenerator while creating plugin site > ------------------------------------------------------------- > > Key: MNG-2981 > URL: http://jira.codehaus.org/browse/MNG-2981 > Project: Maven 2 > Issue Type: Bug > Components: Plugin Creation Tools > Affects Versions: 2.0.6 > Reporter: Steve Rowe > Attachments: PluginXdocGenerator.diff, PluginXdocGenerator.patch > > > I'm running into (what appears to be) the exact same problem that Tom > Huybrechts described on the Maven user list a few months ago (quoted below), > with Maven v2.0.6, maven-plugin-plugin v2.3, and maven-plugin-tools-api v2.1. > I attach a patch that fixes the problem for me. > Output: > [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) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira