[jira] [Created] (MNG-6373) Despite inherited=false, plugin version and dependencies are inherited

[JIRA]

Marcin Zarębski created MNG-6373:
------------------------------------

             Summary: Despite inherited=false, plugin version and dependencies 
are inherited
                 Key: MNG-6373
                 URL: https://issues.apache.org/jira/browse/MNG-6373
             Project: Maven
          Issue Type: Bug
          Components: Inheritance and Interpolation, Plugins and Lifecycle
    Affects Versions: 3.5.3, 3.5.0, 3.2.1, 3.1.0
            Reporter: Marcin Zarębski


There seems to be an issue with skipping plugin inheritance. If the 
documentation is right, build plugin with property 
{{<inherited>false</inherited>}} should not be inherited in child projects.

This is inconsistent with observed behavior. Having POM inheritance chain of 3 
projects (let's name them uber-parent, parent and child) and build plugin 
definition in uber-parent marked with {{inherited=false}}, the plugin's version 
and dependencies are still inherited in child projects.

The behavior was reproduced on versions 3.1.0, 3.2.1, 3.5.0, 3.5.3.

h3. Steps to reproduce

This is an example of the weird behavior. Problem can be seen in effective POM 
for either parent or child project.

Here are three POM definitions inheriting each other:

h4. Uber-parent pom.xml

{code}
<project>
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.example</groupId>
    <artifactId>uber-parent</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>pom</packaging>

    <build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.gmavenplus</groupId>
                <artifactId>gmavenplus-plugin</artifactId>
                <version>1.1</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>execute</goal>
                        </goals>
                        <phase>test</phase>
                    </execution>
                </executions>
                <configuration>
                    <scripts>
                        
<script>file:///${project.basedir}/src/main/groovyScripts/generateBomPropertiesFile.groovy</script>
                    </scripts>
                </configuration>
                <dependencies>
                    <dependency>
                        <groupId>org.codehaus.groovy</groupId>
                        <artifactId>groovy-all</artifactId>
                        <version>2.3.0</version>
                    </dependency>
                </dependencies>
                <inherited>false</inherited>
            </plugin>
        </plugins>
    </build>
</project>
{code}

h4. Parent pom.xml

{code}
<project>
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>com.example</groupId>
        <artifactId>uber-parent</artifactId>
        <version>1.0-SNAPSHOT</version>
    </parent>

    <artifactId>parent</artifactId>
    <packaging>pom</packaging>

    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.codehaus.gmavenplus</groupId>
                    <artifactId>gmavenplus-plugin</artifactId>
                    <version>1.6</version>
                    <executions>
                        <execution>
                            <goals>
                                <goal>compileTests</goal>
                            </goals>
                        </execution>
                    </executions>
                    <dependencies>
                        <dependency>
                            <groupId>org.codehaus.groovy</groupId>
                            <artifactId>groovy-all</artifactId>
                            <version>2.4.14</version>
                        </dependency>
                    </dependencies>
                </plugin>
            </plugins>
        </pluginManagement>
        <plugins>
            <plugin>
                <groupId>org.codehaus.gmavenplus</groupId>
                <artifactId>gmavenplus-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>
{code}

h4. Child pom.xml

{code}
<project>
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>com.example</groupId>
        <artifactId>parent</artifactId>
        <version>1.0-SNAPSHOT</version>
    </parent>

    <artifactId>child</artifactId>
    <packaging>jar</packaging>

    <build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.gmavenplus</groupId>
                <artifactId>gmavenplus-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>
{code}

h4. Excerpt from effective POM for either parent or child project

{code}
<pluginManagement>
  <plugins>
    <plugin>
      <groupId>org.codehaus.gmavenplus</groupId>
      <artifactId>gmavenplus-plugin</artifactId>
      <version>1.6</version>
      <executions>
        <execution>
          <goals>
            <goal>compileTests</goal>
          </goals>
        </execution>
      </executions>
      <dependencies>
        <dependency>
          <groupId>org.codehaus.groovy</groupId>
          <artifactId>groovy-all</artifactId>
          <version>2.4.14</version>
        </dependency>
      </dependencies>
    </plugin>
  </plugins>
</pluginManagement>
<plugins>
  <plugin>
    <groupId>org.codehaus.gmavenplus</groupId>
    <artifactId>gmavenplus-plugin</artifactId>
    <version>1.1</version>
    <executions>
      <execution>
        <goals>
          <goal>compileTests</goal>
        </goals>
      </execution>
    </executions>
    <dependencies>
      <dependency>
        <groupId>org.codehaus.groovy</groupId>
        <artifactId>groovy-all</artifactId>
        <version>2.3.0</version>
        <scope>compile</scope>
      </dependency>
    </dependencies>
  </plugin>
</plugins>
{code}



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