Have you found a solution to this issue, I am getting the same error when trying to configure a custom config file in a multi-module maven project.
JIRA j...@codehaus.org wrote: > > Error when using custom Checkstyle configuration > ------------------------------------------------- > > Key: MCHECKSTYLE-112 > URL: http://jira.codehaus.org/browse/MCHECKSTYLE-112 > Project: Maven 2.x Checkstyle Plugin > Issue Type: Bug > Affects Versions: 2.2 > Environment: Windows Vista and cygwin > Reporter: Flavio Pompermaier > Attachments: checkstyle.xml > > If trying to use a custom configuration it seem that Maven cannot > instantiate properly available checks. > When I try to run it with a predefined Checkstyle configuration instead, > everything works well. > This is how is set up the plugin in the pom.xml: > > <reporting> > <plugins> > <plugin> > <groupId>org.apache.maven.plugins</groupId> > <artifactId>maven-checkstyle-plugin</artifactId> > <configuration> > <!-- > > <configLocation>config/maven_checks.xml</configLocation> > --> > > <configLocation>${basedir}/src/main/config/checkstyle/checkstyle.xml</configLocation> > > <suppressionsLocation>${basedir}/src/main/config/checkstyle/suppressions.xml</suppressionsLocation> > <!-- > <includeTestSourceDirectory>true</includeTestSourceDirectory> --> > </configuration> > </plugin> > ...... > > And in attachment there's the checkstyle.xml file. > This is the output of Maven: > > Embedded error: Error rendering Maven report: Failed during checkstyle > configuration > Unable to instantiate JavadocPackageCheck (OR WHATEVER ELSE CHECK...) > [INFO] > ------------------------------------------------------------------------ > [INFO] Trace > org.apache.maven.lifecycle.LifecycleExecutionException: Error during page > generation > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:583) > 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) > Caused by: org.apache.maven.plugin.MojoExecutionException: Error during > page generation > at > org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:101) > at > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558) > ... 16 more > Caused by: org.apache.maven.doxia.siterenderer.RendererException: Error > rendering Maven report: Failed during checkstyle configuration > at > org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:149) > 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) > ... 18 more > Caused by: org.apache.maven.reporting.MavenReportException: Failed during > checkstyle configuration > at > org.apache.maven.plugin.checkstyle.CheckstyleReport.executeReport(CheckstyleReport.java:648) > at > org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:98) > at > org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:139) > ... 22 more > Caused by: com.puppycrawl.tools.checkstyle.api.CheckstyleException: cannot > initialize module JavadocPackage - Unable to instantiate JavadocPackage > at > com.puppycrawl.tools.checkstyle.Checker.setupChild(Checker.java:165) > at > com.puppycrawl.tools.checkstyle.api.AutomaticBean.configure(AutomaticBean.java:208) > at > org.apache.maven.plugin.checkstyle.CheckstyleReport.executeCheckstyle(CheckstyleReport.java:918) > at > org.apache.maven.plugin.checkstyle.CheckstyleReport.executeReport(CheckstyleReport.java:635) > ... 24 more > Caused by: com.puppycrawl.tools.checkstyle.api.CheckstyleException: Unable > to instantiate JavadocPackage > at > com.puppycrawl.tools.checkstyle.PackageObjectFactory.createModule(PackageObjectFactory.java:152) > at > com.puppycrawl.tools.checkstyle.Checker.setupChild(Checker.java:140) > ... 27 more > Caused by: com.puppycrawl.tools.checkstyle.api.CheckstyleException: Unable > to instantiate JavadocPackageCheck > at > com.puppycrawl.tools.checkstyle.PackageObjectFactory.doMakeObject(PackageObjectFactory.java:94) > at > com.puppycrawl.tools.checkstyle.PackageObjectFactory.createModule(PackageObjectFactory.java:149) > ... 28 more > > Any Ideas? > > -- > This message is automatically generated by JIRA. > - 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