[
https://jira.codehaus.org/browse/MCHECKSTYLE-288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=364152#comment-364152
]
Peter Jeszenszky commented on MCHECKSTYLE-288:
----------------------------------------------
Stack trace:
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-site-plugin:3.4:site (default-site) on project
geocoder-parent: Execution default-site of goal
org.apache.maven.plugins:maven-site-plugin:3.4:site failed.
NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.maven.plugins:maven-site-plugin:3.4:site (default-site) on project
geocoder-parent: Execution default-site of goal
org.apache.maven.plugins:maven-site-plugin:3.4:site failed.
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:355)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:216)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:160)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution
default-site of goal org.apache.maven.plugins:maven-site-plugin:3.4:site failed.
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:143)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 19 more
Caused by: java.lang.NullPointerException
at
org.codehaus.plexus.resource.loader.JarHolder.getEntries(JarHolder.java:126)
at
org.codehaus.plexus.resource.loader.JarResourceLoader.loadJar(JarResourceLoader.java:100)
at
org.codehaus.plexus.resource.loader.JarResourceLoader.initialize(JarResourceLoader.java:63)
at
org.codehaus.plexus.resource.loader.JarResourceLoader.getResource(JarResourceLoader.java:141)
at
org.apache.maven.plugin.checkstyle.resource.LicenseResourceManager.getResource(LicenseResourceManager.java:75)
at
org.codehaus.plexus.resource.DefaultResourceManager.getResourceAsFile(DefaultResourceManager.java:91)
at
org.apache.maven.plugin.checkstyle.exec.DefaultCheckstyleExecutor.getOverridingProperties(DefaultCheckstyleExecutor.java:527)
at
org.apache.maven.plugin.checkstyle.exec.DefaultCheckstyleExecutor.getConfiguration(DefaultCheckstyleExecutor.java:355)
at
org.apache.maven.plugin.checkstyle.exec.DefaultCheckstyleExecutor.executeCheckstyle(DefaultCheckstyleExecutor.java:218)
at
org.apache.maven.plugin.checkstyle.AbstractCheckstyleReport.executeReport(AbstractCheckstyleReport.java:474)
at
org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:255)
at
org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:224)
at
org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:311)
at
org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:129)
at
org.apache.maven.plugins.site.render.SiteMojo.renderLocale(SiteMojo.java:182)
at
org.apache.maven.plugins.site.render.SiteMojo.execute(SiteMojo.java:141)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
... 20 more
> NullPointerException during building a multi-module project
> -----------------------------------------------------------
>
> Key: MCHECKSTYLE-288
> URL: https://jira.codehaus.org/browse/MCHECKSTYLE-288
> Project: Maven Checkstyle Plugin
> Issue Type: Bug
> Affects Versions: 2.13, 2.14
> Environment: Apache Maven 3.2.5
> Reporter: Peter Jeszenszky
> Attachments: geocoder-parent.zip
>
>
> A NullPointerException is thrown during the execution of "mvn site" in a
> multi-module project, that is clearly caused by the Maven Checkstyle Plugin.
> The problem occurs when version 2.13 or 2.14 of the plugin is used,
> everything works fine when the plugin version is downgraded to version 2.12.
> I have attached a project in which the problem occurs.
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