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From "John Canny (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MNG-6490) maven fails reporting circular dependency when the dependency is a classified secondary artifact
Date Thu, 11 Oct 2018 23:55:00 GMT
John Canny created MNG-6490:
-------------------------------

             Summary: maven fails reporting circular dependency when the dependency is a classified
secondary artifact
                 Key: MNG-6490
                 URL: https://issues.apache.org/jira/browse/MNG-6490
             Project: Maven
          Issue Type: Bug
          Components: Dependencies
    Affects Versions: 3.5.4, 3.5.3, 3.5.2
         Environment: Ubuntu 16.0.4 LTS, Ubuntu 18.0.4 LTS, Mac OS High Sierra, Oracle and
OpenJDK 8, Oracle Java 11, 
            Reporter: John Canny


As of maven 3.5.2, 3.5.3, 3.5.4, the following pom fails with the error

"dependencies.dependency. Main:MainJar:1' for Main:MainJar:1 is referencing itself"

But the dependency is not circular, it references a classified jar (in our use cases its an
architecture-dependent native code container jar). The pom below allows the main jar to be
built without building the dependency every time (other lines conditionally build the dependency),
and ensures the appropriate pre-built dependency is loaded. Behavior in maven 3.5.0 and earlier
was correct (i.e. no error). This breaks several of the usage scenarios for classified artifacts...

 

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
                             http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>Main</groupId>
  <artifactId>MainJar</artifactId>
  <packaging>jar</packaging>
  <version>1</version>
  <dependencies>
    <dependency>
      <groupId>${project.groupId}</groupId>
      <artifactId>${project.artifactId}</artifactId>
      <version>${project.version}</version>
      <classifier>linux</classifier>
    </dependency>
  </dependencies>
</project>



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