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https://issues.apache.org/jira/browse/MNG-6636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17069837#comment-17069837
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Hudson commented on MNG-6636:
-----------------------------
Build failed in Jenkins: Maven TLP » maven-studies » maven-metrics #4
See
https://builds.apache.org/job/maven-box/job/maven-studies/job/maven-metrics/4/
> NPE on reporting convertion (DefaultReportingConverter) when inheritance of
> with no reports
> -------------------------------------------------------------------------------------------
>
> Key: MNG-6636
> URL: https://issues.apache.org/jira/browse/MNG-6636
> Project: Maven
> Issue Type: Bug
> Components: Inheritance and Interpolation
> Affects Versions: 3.6.1
> Reporter: Herve Boutemy
> Assignee: Herve Boutemy
> Priority: Major
> Fix For: 3.6.2
>
>
> when launching Maven on maven-site:
> {noformat}$ 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){noformat}
> caused by the fact that there is no <reports></reports> elements in following
> reportSet:
> {code:xml} <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>
> {code}
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