Uploaded image for project: 'Maven'
  1. Maven
  2. MNG-6636

NPE on reporting convertion (DefaultReportingConverter) when inheritance of with no reports

    XMLWordPrintableJSON

    Details

      Description

      when launching Maven on maven-site:

      $ mvn clean
      [INFO] Scanning for projects...
      [ERROR] Internal error: java.lang.NullPointerException -> [Help 1]
      org.apache.maven.InternalErrorException: Internal error: java.lang.NullPointerException
          at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:120)
          at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
          at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
          at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
          at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:57)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke (Method.java:606)
          at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
          at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
          at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
          at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
      Caused by: java.lang.NullPointerException
          at org.apache.maven.model.plugin.DefaultReportingConverter.convert (DefaultReportingConverter.java:243)
          at org.apache.maven.model.plugin.DefaultReportingConverter.convert (DefaultReportingConverter.java:213)
          at org.apache.maven.model.plugin.DefaultReportingConverter.convertReporting (DefaultReportingConverter.java:140)
          at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:479)
          at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:432)
          at org.apache.maven.project.DefaultProjectBuilder.build (DefaultProjectBuilder.java:616)

      caused by the fact that there is no <reports></reports> elements in following reportSet:

        <reporting>
          <excludeDefaults>true</excludeDefaults>
          <outputDirectory>${site.output}</outputDirectory>
          <plugins>
            <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-project-info-reports-plugin</artifactId>
              <reportSets>
                <reportSet><!-- don't execute inherited reports, since some are useless and cannot be removed -->
                  <configuration>
                    <skip>true</skip>
                  </configuration>
                </reportSet>
      

        Attachments

          Issue Links

            Activity

              People

              • Assignee:
                hboutemy Hervé Boutemy
                Reporter:
                hboutemy Hervé Boutemy
              • Votes:
                0 Vote for this issue
                Watchers:
                5 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: