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  1. Maven Help Plugin
  2. MPH-135

help:effective-pom crashes with NPE in multi module builds with -Doutput set

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 3.0.0
    • Fix Version/s: 3.0.1
    • Component/s: effective-pom
    • Labels:
      None

      Description

      Hi,

      we see build failures on all our pipelines with the new version 3.0.0. Is this an official version or was this version recalled? Is there a breaking change related to xml parsing / encoding?

      https://github.com/apache/maven-help-plugin/releases/tag/maven-help-plugin-3.0.0

      13:45:17 INFO - ------------------------------------------------------------------------
      13:45:17 ERROR - Failed to execute goal org.apache.maven.plugins:maven-help-plugin:3.0.0:effective-pom (default-cli) on project composites: Execution default-cli of goal org.apache.maven.plugins:maven-help-plugin:3.0.0:effective-pom failed. NullPointerException -> [Help 1]
      13:45:17 INFO - org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-help-plugin:3.0.0:effective-pom (default-cli) on project composites: Execution default-cli of goal org.apache.maven.plugins:maven-help-plugin:3.0.0:effective-pom failed.
      13:45:17 INFO - 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
      13:45:17 INFO - 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
      13:45:17 INFO - 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
      13:45:17 INFO - 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
      13:45:17 INFO - 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
      13:45:17 INFO - 	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
      13:45:17 INFO - 	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
      13:45:17 INFO - 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
      13:45:17 INFO - 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
      13:45:17 INFO - 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
      13:45:17 INFO - 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
      13:45:17 INFO - 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
      13:45:17 INFO - 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
      13:45:17 INFO - 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      13:45:17 INFO - 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      13:45:17 INFO - 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      13:45:17 INFO - 	at java.lang.reflect.Method.invoke(Method.java:483)
      13:45:17 INFO - 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
      13:45:17 INFO - 	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
      13:45:17 INFO - 	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
      13:45:17 INFO - 	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
      13:45:17 INFO - Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-cli of goal org.apache.maven.plugins:maven-help-plugin:3.0.0:effective-pom failed.
      13:45:17 INFO - 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:145)
      13:45:17 INFO - 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
      13:45:17 INFO - 	... 20 more
      13:45:17 INFO - Caused by: java.lang.NullPointerException
      13:45:17 INFO - 	at org.codehaus.plexus.util.xml.XmlStreamWriter.close(XmlStreamWriter.java:75)
      13:45:17 INFO - 	at org.codehaus.plexus.util.IOUtil.close(IOUtil.java:796)
      13:45:17 INFO - 	at org.apache.maven.plugins.help.AbstractEffectiveMojo.writeXmlFile(AbstractEffectiveMojo.java:96)
      13:45:17 INFO - 	at org.apache.maven.plugins.help.EffectivePomMojo.execute(EffectivePomMojo.java:139)
      13:45:17 INFO - 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
      13:45:17 INFO - 	... 21 more
      13:45:17 ERROR - 
      13:45:17 ERROR - Re-run Maven using the -X switch to enable full debug logging.
      

      Best Regards

      Hajo

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              • Assignee:
                michael-o Michael Osipov
                Reporter:
                h0nig Hans-Joachim Kliemeck
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                • Created:
                  Updated:
                  Resolved: