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https://issues.apache.org/jira/browse/MNG-7003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17224105#comment-17224105
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Arkadiusz Firus commented on MNG-7003:
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[~delany], that is sad what you are saying, but thank you very much for
information.
> Inconsistent dependency tree
> ----------------------------
>
> Key: MNG-7003
> URL: https://issues.apache.org/jira/browse/MNG-7003
> Project: Maven
> Issue Type: Bug
> Components: Dependencies
> Affects Versions: 3.6.3
> Reporter: Arkadiusz Firus
> Priority: Major
> Attachments: maven_dependency_problem.tar.gz
>
>
> I have found maven building different dependency tree during module built
> process and when a module is build as a dependency.
> The problematic case:
> pom ---> dependencyManagement (org.slf4j:slf4j-api:1.7.30)
> |-- pom --> dependency (org.apache.logging.log4j:log4j-slf4j18-impl:2.13.3)
> --> dependency (org.slf4j:slf4j-api:1.8.0-beta4)
>
> When the project is built the dependency tree is OK. The version of transient
> dependency to slf4j-api is overridden by the dependency management mechanism.
> {{[INFO] arcomp.maven_example:module:jar:1}}
> {{[INFO] - org.apache.logging.log4j:log4j-slf4j18-impl:jar:2.13.3:compile}}
> {{[INFO] +- org.slf4j:slf4j-api:jar:*1.7.30*:compile}}
> {{[INFO] +- org.apache.logging.log4j:log4j-api:jar:2.13.3:compile}}
> {{[INFO] - org.apache.logging.log4j:log4j-core:jar:2.13.3:runtime}}
>
> On the other hand when the module is being used as a dependency the version
> of transient dependency is not overridden.
> {{[INFO] arcomp.maven_example:usage:jar:1}}
> {{[INFO] - arcomp.maven_example:module:jar:1:compile}}
> {{[INFO] - org.apache.logging.log4j:log4j-slf4j18-impl:jar:2.13.3:compile}}
> {{[INFO] +- org.slf4j:slf4j-api:jar:*1.8.0-beta4*:compile}}
> {{[INFO] +- org.apache.logging.log4j:log4j-api:jar:2.13.3:compile}}
> {{[INFO] - org.apache.logging.log4j:log4j-core:jar:2.13.3:runtime}}
>
> Such behaviour may lead to a problem when jar is used with different
> dependency than it was compiled and tested with.
> I have attached three maven projects packed into archive. Two are in
> parent-child relationship where the dependency management mechanism is used
> described above. The third is a usage example.
> I am new here, so please verify if I set the component (and other fields)
> correctly.
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