[ 
https://issues.apache.org/jira/browse/MNG-7024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17240281#comment-17240281
 ] 

Martin Kanters edited comment on MNG-7024 at 11/29/20, 3:44 PM:
----------------------------------------------------------------

[~rfscholte] thanks! I've checked it out but I didn't see the exact same error 
as [~gnodet] reported. I think it has to do with the packaging types of your 
module-a and b projects.

Anyhow, during debugging both your project and Camel's I have found out 
something interesting. It looks like the "assembly" profile is active, when 
being run in the subdirectory apache-camel:

...\camel\apache-camel>mvn help:active-profiles
...
Active Profiles for Project 'org.apache.camel:apache-camel:pom:3.7.0-SNAPSHOT':
The following profiles are active:
 - nochecks (source: org.apache.camel:camel-parent:3.7.0-SNAPSHOT)
 - assembly (source: org.apache.camel:camel:3.7.0-SNAPSHOT)
 - not-mac (source: org.apache.camel:camel:3.7.0-SNAPSHOT)
 - jdk8-build (source: org.apache.camel:camel:3.7.0-SNAPSHOT)
 - doclint-java8-disable (source: org.apache.camel:camel:3.7.0-SNAPSHOT)

After removing the profile from the POM (for testing purposes..), the problem 
resolves.
I'm not sure how the profile gets activated, but I guess that's where the 
problem lies - if it's not intended like this by the Camel devs.


was (Author: martinkanters):
[~rfscholte] thanks! I've checked it out but I didn't see the exact same error 
as [~gnodet] reported. I think it has to do with the packaging types of your 
module-a and b projects.

Anyhow, during debugging both your project and Camel's I have found out 
something interesting. It looks like the "assembly" profile is active, when 
being run in the subdirectory apache-camel:
{{...\camel\apache-camel>mvn help:active-profiles
...
Active Profiles for Project 'org.apache.camel:apache-camel:pom:3.7.0-SNAPSHOT':

The following profiles are active:

 - nochecks (source: org.apache.camel:camel-parent:3.7.0-SNAPSHOT)
 - assembly (source: org.apache.camel:camel:3.7.0-SNAPSHOT)
 - not-mac (source: org.apache.camel:camel:3.7.0-SNAPSHOT)
 - jdk8-build (source: org.apache.camel:camel:3.7.0-SNAPSHOT)
 - doclint-java8-disable (source: org.apache.camel:camel:3.7.0-SNAPSHOT)}}

After removing the profile from the POM (for testing purposes..), the problem 
resolves.
I'm not sure how the profile gets activated, but I guess that's where the 
problem lies - if it's not intended like this by the Camel devs.

> Directory instead of file in an artifact
> ----------------------------------------
>
>                 Key: MNG-7024
>                 URL: https://issues.apache.org/jira/browse/MNG-7024
>             Project: Maven
>          Issue Type: Bug
>            Reporter: Guillaume Nodet
>            Priority: Blocker
>             Fix For: 4.0.x-candidate
>
>
> When trying to build camel assembly with maven 3.7.0-SNAPSHOT, I hit the 
> following exception
> {code}
> [ERROR] Failed to execute goal 
> org.apache.maven.plugins:maven-assembly-plugin:3.0.0:single (bin) on project 
> apache-camel: Failed to create assembly: Error adding file 
> 'org.apache.camel:camel-spring:jar:3.7.0-SNAPSHOT' to archive: 
> /Users/gnodet/work/git/camel/components/camel-spring/target/classes isn't a 
> file. -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal org.apache.maven.plugins:maven-assembly-plugin:3.0.0:single (bin) on 
> project apache-camel: Failed to create assembly: Error adding file 
> 'org.apache.camel:camel-spring:jar:3.7.0-SNAPSHOT' to archive: 
> /Users/gnodet/work/git/camel/components/camel-spring/target/classes isn't a 
> file.
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:218)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:159)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:151)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:115)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:79)
>     at 
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
>  (SingleThreadedBuilder.java:64)
>     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
> (LifecycleStarter.java:131)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:319)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:206)
>     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:119)
>     at org.apache.maven.cli.MavenCli.execute (MavenCli.java:982)
>     at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:296)
>     at org.apache.maven.cli.MavenCli.main (MavenCli.java:200)
>     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.MojoExecutionException: Failed to create 
> assembly: Error adding file 
> 'org.apache.camel:camel-spring:jar:3.7.0-SNAPSHOT' to archive: 
> /Users/gnodet/work/git/camel/components/camel-spring/target/classes isn't a 
> file.
>     at org.apache.maven.plugins.assembly.mojos.AbstractAssemblyMojo.execute 
> (AbstractAssemblyMojo.java:530)
>     at org.apache.maven.plugins.assembly.mojos.SingleAssemblyMojo.execute 
> (SingleAssemblyMojo.java:58)
>     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
> (DefaultBuildPluginManager.java:136)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:213)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:159)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:151)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:115)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:79)
>     at 
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
>  (SingleThreadedBuilder.java:64)
>     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
> (LifecycleStarter.java:131)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:319)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:206)
>     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:119)
>     at org.apache.maven.cli.MavenCli.execute (MavenCli.java:982)
>     at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:296)
>     at org.apache.maven.cli.MavenCli.main (MavenCli.java:200)
>     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.plugins.assembly.archive.ArchiveCreationException: Error 
> adding file 'org.apache.camel:camel-spring:jar:3.7.0-SNAPSHOT' to archive: 
> /Users/gnodet/work/git/camel/components/camel-spring/target/classes isn't a 
> file.
>     at org.apache.maven.plugins.assembly.archive.task.AddArtifactTask.asFile 
> (AddArtifactTask.java:180)
>     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:181)
>     at org.apache.maven.plugins.assembly.mojos.AbstractAssemblyMojo.execute 
> (AbstractAssemblyMojo.java:476)
>     at org.apache.maven.plugins.assembly.mojos.SingleAssemblyMojo.execute 
> (SingleAssemblyMojo.java:58)
>     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
> (DefaultBuildPluginManager.java:136)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:213)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:159)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:151)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:115)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:79)
>     at 
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
>  (SingleThreadedBuilder.java:64)
>     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
> (LifecycleStarter.java:131)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:319)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:206)
>     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:119)
>     at org.apache.maven.cli.MavenCli.execute (MavenCli.java:982)
>     at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:296)
>     at org.apache.maven.cli.MavenCli.main (MavenCli.java:200)
>     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.codehaus.plexus.archiver.ArchiverException: 
> /Users/gnodet/work/git/camel/components/camel-spring/target/classes isn't a 
> file.
>     at org.codehaus.plexus.archiver.AbstractArchiver.addFile 
> (AbstractArchiver.java:448)
>     at org.codehaus.plexus.archiver.AbstractArchiver.addFile 
> (AbstractArchiver.java:375)
>     at 
> org.apache.maven.plugins.assembly.archive.archiver.AssemblyProxyArchiver.addFile
>  (AssemblyProxyArchiver.java:425)
>     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:181)
>     at org.apache.maven.plugins.assembly.mojos.AbstractAssemblyMojo.execute 
> (AbstractAssemblyMojo.java:476)
>     at org.apache.maven.plugins.assembly.mojos.SingleAssemblyMojo.execute 
> (SingleAssemblyMojo.java:58)
>     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
> (DefaultBuildPluginManager.java:136)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:213)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:159)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:151)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:115)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:79)
>     at 
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
>  (SingleThreadedBuilder.java:64)
>     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
> (LifecycleStarter.java:131)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:319)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:206)
>     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:119)
>     at org.apache.maven.cli.MavenCli.execute (MavenCli.java:982)
>     at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:296)
>     at org.apache.maven.cli.MavenCli.main (MavenCli.java:200)
>     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)
> {code}



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