[Closed] (MNG-6338) Improve error message

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[Closed] (MNG-6338) Improve error message

JIRA jira@apache.org

     [ https://issues.apache.org/jira/browse/MNG-6338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Scholte closed MNG-6338.
-------------------------------
    Resolution: Duplicate
      Assignee: Robert Scholte

Duplicate of MNG-6216

This was an unexpected exception, so there's not much more we can do then showing the exception + stacktrace.

> Improve error message
> ---------------------
>
>                 Key: MNG-6338
>                 URL: https://issues.apache.org/jira/browse/MNG-6338
>             Project: Maven
>          Issue Type: Bug
>            Reporter: Peter Rader
>            Assignee: Robert Scholte
>            Priority: Minor
>              Labels: newbie, usability
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> I found this output:
> {{C:\Users\Grim\git\xx>mvn clean install
> [INFO] Scanning for projects...
> [INFO]
> [INFO] ------------------------------------------------------------------------
> [INFO] Building xx 0.0.1-SNAPSHOT
> [INFO] ------------------------------------------------------------------------
> [INFO] ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 0.462 s
> [INFO] Finished at: 2018-01-12T10:49:08+01:00
> [INFO] Final Memory: 13M/245M
> [INFO] ------------------------------------------------------------------------
> [ERROR] 25936
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> C:\Users\Grim\git\xx>}}
> This is the stacktrace:
> {{ ...
> </configuration>
> [DEBUG] =======================================================================
> [INFO] ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 0.632 s
> [INFO] Finished at: 2018-01-12T10:49:23+01:00
> [INFO] Final Memory: 13M/245M
> [INFO] ------------------------------------------------------------------------
> [ERROR] 25936
> java.lang.ArrayIndexOutOfBoundsException: 25936
>         at org.codehaus.plexus.util.xml.pull.MXParser.parsePI(MXParser.java:2502)
>         at org.codehaus.plexus.util.xml.pull.MXParser.parseEpilog(MXParser.java:1604)
>         at org.codehaus.plexus.util.xml.pull.MXParser.nextImpl(MXParser.java:1434)
>         at org.codehaus.plexus.util.xml.pull.MXParser.next(MXParser.java:1131)
>         at org.apache.maven.model.io.xpp3.MavenXpp3Reader.read(MavenXpp3Reader.java:3856)
>         at org.apache.maven.model.io.xpp3.MavenXpp3Reader.read(MavenXpp3Reader.java:595)
>         at org.apache.maven.model.io.DefaultModelReader.read(DefaultModelReader.java:109)
>         at org.apache.maven.model.io.DefaultModelReader.read(DefaultModelReader.java:82)
>         at org.apache.maven.model.building.DefaultModelProcessor.read(DefaultModelProcessor.java:81)
>         at org.apache.maven.model.building.DefaultModelBuilder.readModel(DefaultModelBuilder.java:535)
>         at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:1097)
>         at org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:829)
>         at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:331)
>         at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:321)
>         at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:199)
>         at org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:544)
>         at org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:528)
>         at org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:418)
>         at org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:372)
>         at org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:360)
>         at org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:263)
>         at org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:325)
>         at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:169)
>         at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:195)
>         at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:127)
>         at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:246)
>         at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
>         at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)
>         at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)
>         at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
>         at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
>         at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
>         at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:309)
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:194)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:107)
>         at org.apache.maven.cli.MavenCli.execute(MavenCli.java:993)
>         at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:345)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:191)
>         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:498)
>         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)
> [ERROR]
> C:\Users\Grim\git\xx>mvn clean install -X}}



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