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https://issues.apache.org/jira/browse/MNG-8177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17872678#comment-17872678
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ASF GitHub Bot commented on MNG-8177:
-------------------------------------

WolfgangHG commented on PR #1633:
URL: https://github.com/apache/maven/pull/1633#issuecomment-2282709326

   One more thought: you wrote that the problematic dependency might be 
replaced later anyway for the effective dependency tree (as happened in my 
sample). Would it make sense to add another hint like "(problem might be 
resolved when building effective dependency tree)"?
   I probably would still be confused by the new and improved warning message 
when seeing it the first time.




> Warning "'dependencyManagement.dependencies.dependency.systemPath' for 
> com.sun:tools:jar refers to a non-existing file 
> C:\Temp\jdk-11.0.23\..\lib\tools.jar"
> ------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MNG-8177
>                 URL: https://issues.apache.org/jira/browse/MNG-8177
>             Project: Maven
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 3.9.8
>         Environment: Java 11
>            Reporter: Wolfgang Knauf
>            Assignee: Tamas Cservenak
>            Priority: Minor
>             Fix For: 4.0.0, 3.9.9, 4.0.0-beta-4
>
>
> This warning pops up first with Maven 3.9.8, previous versions up to 3.9.7 
> did not report it:
> {{[WARNING] 1 problem was encountered while building the effective model for 
> org.jboss:jboss-dmr:jar:1.3.0.Final}}
> When using the "-X" switch, I see this additional message:
> {{[WARNING] 'dependencyManagement.dependencies.dependency.systemPath' for 
> com.sun:tools:jar refers to a non-existing file 
> C:\Temp\jdk-11.0.23\..\lib\tools.jar. Please verify that you run Maven using 
> a JDK and not just a JRE. @ org.jboss:jboss-dmr:1.3.0.Final}}
>  
> I run it with JDK 11, but downloaded the zip file only. There is no 
> "tools.jar", which was removed as part of Java 9.
>  
> To reproduce: create a project from this archetype:
> {{mvn archetype:generate -DarchetypeCatalog=local -DgroupId=com.acme 
> -DartifactId=example-subsystem -Dversion=1.0-SNAPSHOT 
> -Dmodule=org.test.subsystem -Dpackage=com.acme.example 
> -DarchetypeGroupId=org.wildfly.archetype 
> -DarchetypeArtifactId=wildfly-subsystem -DarchetypeVersion=32.0.0.Final 
> -DinteractiveMode=false}}
>  
> Then run this command to see the warning:
> {{mvn dependency:tree -X}}
>  
> Actually, I don't know why jboss-dmr:1.3.0 is tested, as the project should 
> reference jboss-dmr:1.7.0.



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