// the first exception is added as cause, all other ones as suppressed exceptions
            prerequisiteExceptions.stream().skip(1).forEach(pie::addSuppressed);
            throw pie;
        }
    }

    @Override
    @Deprecated
    public void checkRequiredMavenVersion(PluginDescriptor pluginDescriptor) throws PluginIncompatibleException {
        checkPrerequisites(pluginDescriptor);
    }

          <configuration>
            <useJava5>true</useJava5>
          </configuration>
          <executions>
            <execution>
              <id>site-docs</id>
              <phase>pre-site</phase>
              <goals>
                <goal>xdoc</goal>
                <goal>xsd</goal>
              </goals>
            </execution>
            <execution>
              <id>standard</id>

          <configuration>
            <useJava5>true</useJava5>
          </configuration>
          <executions>
            <execution>
              <id>site-docs</id>
              <phase>pre-site</phase>
              <goals>
                <goal>xdoc</goal>
                <goal>xsd</goal>
              </goals>
            </execution>
            <execution>
              <id>standard</id>

                }
            }
        }
        return decoded;
    }

    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((getId() == null) ? 0 : getId().hashCode());
        return result;
    }

    public boolean equals(Object obj) {
        if (this == obj) {
            return true;

Software Foundation software is covered by the GNU Library General
Public License instead.) You can apply it to your programs, too.

When we speak of free software, we are referring to freedom, not price.
Our General Public Licenses are designed to make sure that you have the
freedom to distribute copies of free software (and charge for this
service if you wish), that you receive source code or can get it if you

        repositoryRequest.setLocalRepository(getLocalRepository());
        repositoryRequest.setRemoteRepositories(getPluginArtifactRepositories());

        // prime realm cache
        MavenSession session = createMavenSession(getProject("project-contributing-system-scope-plugin-dep"));
        MavenProject project = session.getCurrentProject();

            <!-- This step is required to generate xdoc, and does not generate java code -->
            <id>modello-site-doc</id>
            <goals>
              <goal>xdoc</goal>
            </goals>
            <phase>pre-site</phase>
            <configuration>
              <version>1.0.0</version>
              <models>
                <model>src/main/mdo/extension.mdo</model>
              </models>
            </configuration>

          <configuration>
            <useJava5>true</useJava5>
          </configuration>
          <executions>
            <execution>
              <id>site-docs</id>
              <phase>pre-site</phase>
              <goals>
                <goal>xdoc</goal>
                <goal>xsd</goal>
              </goals>
            </execution>
            <execution>
              <id>standard</id>

             * plugins that require dependency resolution although they usually run in phases of the build where project
             * artifacts haven't been assembled yet. The prime example of this is "mvn release:prepare".
             */
            if (aggregating && areAllDependenciesInReactor(session.getProjects(), result.getUnresolvedDependencies())) {

following discovery process is used: Look for a configuration attribute of this factory named org.apache.commons.logging.Log (for backwards compatibility to pre-1.0 versions of this API, an attribute org.apache.commons.logging.log is also consulted).. Look for a system property named org.apache.commons.logging.Log (for backwards compatibility to pre-1.0 versions of this API, a system property org.apache.commons.logging.log is also consulted). If the Log4J logging system is available in the application...