Maven: Report plugin org.apache.maven.plugins:maven-project-info-reports-plugin has an empty version

Question

I have a Maven 2 project which I build with the following parameters:

-B -f  clean site -P 

I se

Answer 1

Include info for the maven-project-info-reports-plugin in the plugin section (where for example also the maven-resources-plugin is specified):

<plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-resources-plugin</artifactId>
            <version>2.6</version>
            <executions>
                <execution>
                    <phase>test</phase>
                    <goals>
                        <goal>resources</goal>
                        <goal>testResources</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-project-info-reports-plugin</artifactId>
            <version>2.7</version>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-clean-plugin</artifactId>
            <version>2.5</version>
            <configuration>
                <filesets>
                    <fileset>
                        <directory>src/main/generated-groovy-stubs</directory>
                    </fileset>
                </filesets>
            </configuration>
        </plugin>
</plugins>