[jira] (MNG-5415) Duplicate dependency with property causes the build to fail

["Tarje Killingberg (JIRA)" <ji...@codehaus.org>]

Tarje Killingberg created MNG-5415:
--------------------------------------

             Summary: Duplicate dependency with property causes the build to fail
                 Key: MNG-5415
                 URL: https://jira.codehaus.org/browse/MNG-5415
             Project: Maven 2 & 3
          Issue Type: Bug
          Components: Plugins and Lifecycle
    Affects Versions: 3.0.4, 3.0.3
         Environment: $ mvn -version
Apache Maven 3.0.3 (r1075438; 2011-02-28 18:31:09+0100)
Maven home: /usr/share/maven
Java version: 1.7.0_09, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_09.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.8.2", arch: "x86_64", family: "mac"
            Reporter: Tarje Killingberg
         Attachments: my-app.zip

The following excerpt from a _pom.xml_ file causes just about any maven command (e.g. {{mvn package}}) to fail with the error _'dependencies.dependency.version' for junit:junit:jar is missing_:

{code}
<properties>
    <my.type>jar</my.type>
    <my.other.type>jar</my.other.type>
</properties>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
            <type>${my.type}</type>
        </dependency>
        <dependency>
            <artifactId>junit</artifactId>
            <groupId>junit</groupId>
            <version>4.10</version>
            <type>${my.other.type}</type>
        </dependency>
    </dependencies>
</dependencyManagement>

<dependencies>
    <dependency>
        <artifactId>junit</artifactId>
        <groupId>junit</groupId>
        <type>${my.type}</type>
    </dependency>
    <dependency>
        <artifactId>junit</artifactId>
        <groupId>junit</groupId>
        <type>${my.other.type}</type>
        <optional>true</optional>
    </dependency>
</dependencies>
{code}

If the string _jar_ is used instead of the properties, the build succeeds with warnings.

A SSCCE is attached. Running the command {{mvn validate}} inside the _my-app_-folder should show the symptom.


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