*/
    @Test
    void testMng5568() {
        String a = "6.1.0";
        String b = "6.1.0rc3";
        String c = "6.1H.5-beta"; // this is the unusual version string, with 'H' in the middle

        checkVersionsOrder(b, a); // classical
        checkVersionsOrder(b, c); // now b < c, but before MNG-5568, we had b > c
        checkVersionsOrder(a, c);
    }

    /**

     */
    // MAVENAPI FIXME: the DAG used is NOT only used to represent the dependency relation,
    // but also for <parent>, <build><plugin>, <reports>. We need multiple DAG's
    // since a DAG can only handle 1 type of relationship properly.
    // Use case:  This is detected as a cycle:
    // org.apache.maven:maven-plugin-api                -(PARENT)->
    // org.apache.maven:maven                           -(inherited REPORTING)->

import org.apache.maven.api.settings.RepositoryPolicy;
import org.apache.maven.api.settings.Settings;
import org.apache.maven.settings.v4.SettingsMerger;

/**
 * Several convenience methods to handle settings
 *
 */
public final class SettingsUtilsV4 {

    private SettingsUtilsV4() {
        // don't allow construction.
    }

    /**
     * @param dominant
     * @param recessive
     */

                .setBaseDirectory(new File(""))
                .setLocalRepository(repo);

        DefaultRepositorySystemSession repositorySession =
                new DefaultRepositorySystemSession(h -> false); // no close handle
        repositorySession.setLocalRepositoryManager(new SimpleLocalRepositoryManagerFactory()
                .newInstance(repositorySession, new LocalRepository(repo.getUrl())));
        MavenSession session =

 */
@Named
@Singleton
public class DefaultExceptionHandler implements ExceptionHandler {

    public ExceptionSummary handleException(Throwable exception) {
        return handle("", exception);
    }

    private ExceptionSummary handle(String message, Throwable exception) {
        String reference = getReference(exception);

        List<ExceptionSummary> children = null;

import org.apache.maven.api.settings.RepositoryPolicy;
import org.apache.maven.api.settings.Settings;
import org.apache.maven.settings.v4.SettingsMerger;

/**
 * Several convenience methods to handle settings
 *
 */
public final class SettingsUtilsV4 {

    private SettingsUtilsV4() {
        // don't allow construction.
    }

    /**
     * @param dominant
     * @param recessive
     */

                return session;
            }
            newSession = new DefaultRepositorySystemSession(session);
        } else {
            newSession = new DefaultRepositorySystemSession(h -> false); // no close handle used
        }

        final LocalRepositoryManager llrm =
                system.newLocalRepositoryManager(newSession, new LocalRepository(repository.getBasedir()));
        newSession.setLocalRepositoryManager(llrm);

                        // checksum doesn't match. This could be a problem with the server (ibiblio HTTP-200 error
                        // page), so we'll try this up to two times. On the second try, we'll handle it as a bona-fide
                        // error, based on the repository's checksum checking policy.
                        if (firstRun) {

                            of the local repository. This is especially troublesome during snapshot resolution so we try
                            to handle that gracefully.
                             */
                            if (versioning != null
                                    && repository instanceof LocalRepository

        initRepoSession(configuration);

        return projectBuilder.build(pom, allowStub, configuration).getProject();
    }

    /**
     * Check that we can build ok from the middle pom of a (parent,child,grandchild) hierarchy
     *
     * @throws Exception in case of issue
     */
    @Test
    void testBuildFromMiddlePom() throws Exception {