[ 
https://issues.apache.org/jira/browse/MASSEMBLY-923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Václav Haisman updated MASSEMBLY-923:
-------------------------------------
    Description: 
I can reproduce a NPE when axis:axis-ant:1.4 is part of dependencySet. See 
GitHub repository [https://github.com/wilx/maven-assembly-plugin-npe] for easy 
reproduction. Just run mvn clean install. It appears to be caused by the POM 
format of the axis-ant as it is installed in Maven Central.

 
{noformat}
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single (default) on 
project maven-assembly-plugin-npe: Execution default of goal 
org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single failed.: 
NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal 
org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single (default) on 
project maven-assembly-plugin-npe: Execution default of goal 
org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single failed.
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:215)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    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:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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: org.apache.maven.plugin.PluginExecutionException: Execution default 
of goal org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single failed.
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:148)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    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:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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.plugins.assembly.archive.archiver.AssemblyProxyArchiver$DefaultFileInfo.isFile
 (AssemblyProxyArchiver.java:1024)
    at 
org.apache.maven.plugins.assembly.filter.ComponentsXmlArchiverFileFilter.isSelected
 (ComponentsXmlArchiverFileFilter.java:179)
    at 
org.apache.maven.plugins.assembly.archive.archiver.AssemblyProxyArchiver.acceptFile
 (AssemblyProxyArchiver.java:793)
    at 
org.apache.maven.plugins.assembly.archive.archiver.AssemblyProxyArchiver.addFile
 (AssemblyProxyArchiver.java:417)
    at org.apache.maven.plugins.assembly.archive.task.AddArtifactTask.asFile 
(AddArtifactTask.java:175)
    at org.apache.maven.plugins.assembly.archive.task.AddArtifactTask.execute 
(AddArtifactTask.java:132)
    at 
org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.addNormalArtifact
 (AddDependencySetsTask.java:263)
    at 
org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.addDependencySet
 (AddDependencySetsTask.java:175)
    at 
org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.execute 
(AddDependencySetsTask.java:120)
    at 
org.apache.maven.plugins.assembly.archive.phase.DependencySetAssemblyPhase.execute
 (DependencySetAssemblyPhase.java:104)
    at 
org.apache.maven.plugins.assembly.archive.DefaultAssemblyArchiver.createArchive 
(DefaultAssemblyArchiver.java:182)
    at org.apache.maven.plugins.assembly.mojos.AbstractAssemblyMojo.execute 
(AbstractAssemblyMojo.java:488)
    at org.apache.maven.plugins.assembly.mojos.SingleAssemblyMojo.execute 
(SingleAssemblyMojo.java:61)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    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:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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)

{noformat}


  was:
I can reproduce a NPE when axis:axis-ant:1.4 is part of dependencySet. See 
GitHub repository [https://github.com/wilx/maven-assembly-plugin-npe] for easy 
reproduction. Just run mvn clean install. It appears to be caused by the POM 
format of the axis-ant as it is installed in Maven Central.

 

{{[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single (default) on 
project maven-assembly-plugin-npe: Execution default of goal 
org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single failed.: 
NullPointerException -> [Help 1]}}
{{org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
goal org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single (default) on 
project maven-assembly-plugin-npe: Execution default of goal 
org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single failed.}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:215)}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)}}
{{ 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:56)}}
{{ at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)}}
{{ at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)}}
{{ at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)}}
{{ at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)}}
{{ 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)}}
{{ at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)}}
{{ at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)}}
{{ at java.lang.reflect.Method.invoke (Method.java:566)}}
{{ 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: org.apache.maven.plugin.PluginExecutionException: Execution 
default of goal org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single 
failed.}}
{{ at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:148)}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:210)}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)}}
{{ 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:56)}}
{{ at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)}}
{{ at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)}}
{{ at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)}}
{{ at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)}}
{{ 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)}}
{{ at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)}}
{{ at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)}}
{{ at java.lang.reflect.Method.invoke (Method.java:566)}}
{{ 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.plugins.assembly.archive.archiver.AssemblyProxyArchiver$DefaultFileInfo.isFile
 (AssemblyProxyArchiver.java:1024)}}
{{ at 
org.apache.maven.plugins.assembly.filter.ComponentsXmlArchiverFileFilter.isSelected
 (ComponentsXmlArchiverFileFilter.java:179)}}
{{ at 
org.apache.maven.plugins.assembly.archive.archiver.AssemblyProxyArchiver.acceptFile
 (AssemblyProxyArchiver.java:793)}}
{{ at 
org.apache.maven.plugins.assembly.archive.archiver.AssemblyProxyArchiver.addFile
 (AssemblyProxyArchiver.java:417)}}
{{ at org.apache.maven.plugins.assembly.archive.task.AddArtifactTask.asFile 
(AddArtifactTask.java:175)}}
{{ at org.apache.maven.plugins.assembly.archive.task.AddArtifactTask.execute 
(AddArtifactTask.java:132)}}
{{ at 
org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.addNormalArtifact
 (AddDependencySetsTask.java:263)}}
{{ at 
org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.addDependencySet
 (AddDependencySetsTask.java:175)}}
{{ at 
org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.execute 
(AddDependencySetsTask.java:120)}}
{{ at 
org.apache.maven.plugins.assembly.archive.phase.DependencySetAssemblyPhase.execute
 (DependencySetAssemblyPhase.java:104)}}
{{ at 
org.apache.maven.plugins.assembly.archive.DefaultAssemblyArchiver.createArchive 
(DefaultAssemblyArchiver.java:182)}}
{{ at org.apache.maven.plugins.assembly.mojos.AbstractAssemblyMojo.execute 
(AbstractAssemblyMojo.java:488)}}
{{ at org.apache.maven.plugins.assembly.mojos.SingleAssemblyMojo.execute 
(SingleAssemblyMojo.java:61)}}
{{ at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:137)}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:210)}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)}}
{{ at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)}}
{{ 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:56)}}
{{ at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)}}
{{ at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)}}
{{ at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)}}
{{ at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)}}
{{ 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)}}
{{ at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)}}
{{ at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)}}
{{ at java.lang.reflect.Method.invoke (Method.java:566)}}
{{ 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)}}


> NPE when axis:axis-ant:1.4 is part of dependencySet
> ---------------------------------------------------
>
>                 Key: MASSEMBLY-923
>                 URL: https://issues.apache.org/jira/browse/MASSEMBLY-923
>             Project: Maven Assembly Plugin
>          Issue Type: Bug
>          Components: dependencySet
>    Affects Versions: 3.1.1, 3.2.0
>            Reporter: Václav Haisman
>            Priority: Critical
>
> I can reproduce a NPE when axis:axis-ant:1.4 is part of dependencySet. See 
> GitHub repository [https://github.com/wilx/maven-assembly-plugin-npe] for 
> easy reproduction. Just run mvn clean install. It appears to be caused by the 
> POM format of the axis-ant as it is installed in Maven Central.
>  
> {noformat}
> [ERROR] Failed to execute goal 
> org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single (default) on 
> project maven-assembly-plugin-npe: Execution default of goal 
> org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single failed.: 
> NullPointerException -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single (default) on 
> project maven-assembly-plugin-npe: Execution default of goal 
> org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single failed.
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:215)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
>     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:56)
>     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
> (LifecycleStarter.java:128)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
>     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
>     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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
>     at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:62)
>     at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke (Method.java:566)
>     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: org.apache.maven.plugin.PluginExecutionException: Execution 
> default of goal org.apache.maven.plugins:maven-assembly-plugin:3.2.0:single 
> failed.
>     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
> (DefaultBuildPluginManager.java:148)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:210)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
>     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:56)
>     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
> (LifecycleStarter.java:128)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
>     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
>     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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
>     at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:62)
>     at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke (Method.java:566)
>     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.plugins.assembly.archive.archiver.AssemblyProxyArchiver$DefaultFileInfo.isFile
>  (AssemblyProxyArchiver.java:1024)
>     at 
> org.apache.maven.plugins.assembly.filter.ComponentsXmlArchiverFileFilter.isSelected
>  (ComponentsXmlArchiverFileFilter.java:179)
>     at 
> org.apache.maven.plugins.assembly.archive.archiver.AssemblyProxyArchiver.acceptFile
>  (AssemblyProxyArchiver.java:793)
>     at 
> org.apache.maven.plugins.assembly.archive.archiver.AssemblyProxyArchiver.addFile
>  (AssemblyProxyArchiver.java:417)
>     at org.apache.maven.plugins.assembly.archive.task.AddArtifactTask.asFile 
> (AddArtifactTask.java:175)
>     at org.apache.maven.plugins.assembly.archive.task.AddArtifactTask.execute 
> (AddArtifactTask.java:132)
>     at 
> org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.addNormalArtifact
>  (AddDependencySetsTask.java:263)
>     at 
> org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.addDependencySet
>  (AddDependencySetsTask.java:175)
>     at 
> org.apache.maven.plugins.assembly.archive.task.AddDependencySetsTask.execute 
> (AddDependencySetsTask.java:120)
>     at 
> org.apache.maven.plugins.assembly.archive.phase.DependencySetAssemblyPhase.execute
>  (DependencySetAssemblyPhase.java:104)
>     at 
> org.apache.maven.plugins.assembly.archive.DefaultAssemblyArchiver.createArchive
>  (DefaultAssemblyArchiver.java:182)
>     at org.apache.maven.plugins.assembly.mojos.AbstractAssemblyMojo.execute 
> (AbstractAssemblyMojo.java:488)
>     at org.apache.maven.plugins.assembly.mojos.SingleAssemblyMojo.execute 
> (SingleAssemblyMojo.java:61)
>     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
> (DefaultBuildPluginManager.java:137)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:210)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
>     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:56)
>     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
> (LifecycleStarter.java:128)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
>     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
>     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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
>     at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:62)
>     at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke (Method.java:566)
>     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)
> {noformat}



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