defaultLegacySupport.setSession(m1);

        MyRunnable myRunnable = new MyRunnable();
        Thread thread = new Thread(myRunnable);
        thread.start();

        MavenSession m2 = new MavenSession(null, null, mavenExecutionRequest, null);
        defaultLegacySupport.setSession(m2);
        latch.countDown();
        thread.join();
        assertNull(myRunnable.getSession());
    }

        }

        ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
        Thread.currentThread().setContextClassLoader(pluginRealm);

        MavenSession oldSession = legacySupport.getSession();

        scope.enter();

        try {
            scope.seed(MavenProject.class, project);
            scope.seed(MojoExecution.class, mojoExecution);
            scope.seed(

        }
    }

    public MavenSession getSession() {
        AtomicReference<MavenSession> currentSession = DefaultLegacySupport.SESSION.get();
        return currentSession != null ? currentSession.get() : null;
    }

    public RepositorySystemSession getRepositorySession() {
        MavenSession session = getSession();
        return (session != null) ? session.getRepositorySession() : null;
    }

     *
     * @param session The currently active session, may be {@code null}.
     */
    void setSession(MavenSession session);

    /**
     * Gets the currently active session.
     *
     * @return The currently active session or {@code null} if none.
     */
    MavenSession getSession();

    /**
     * Gets the currently active repository session.
     *

            session.setSession(defaultSessionFactory.newSession(session));

            sessionScope.seed(MavenSession.class, session);
            sessionScope.seed(Session.class, session.getSession());
            sessionScope.seed(InternalMavenSession.class, InternalMavenSession.from(session.getSession()));

            legacySupport.setSession(session);

        session.setAllProjects(session.getProjects());
        session.setSession(defaultSessionFactory.newSession(session));

        SessionScope sessionScope = getContainer().lookup(SessionScope.class);
        sessionScope.enter();
        sessionScope.seed(MavenSession.class, session);
        sessionScope.seed(Session.class, session.getSession());

            }, validationErrorLambda);
            return null;
        });
    }

    private OptionalThing<HttpSession> getSession() {
        final HttpSession session = request.getSession(false);
        if (session != null) {
            return OptionalEntity.of(session);
        }
        return OptionalEntity.empty();
    }

        nonNull(request, "request");
        InternalSession session = InternalSession.from(request.getSession());

        ArtifactType type = null;
        if (request.getType() != null) {
            type = session.getSession().getArtifactTypeRegistry().get(request.getType());
        }
        if (request.getCoordinateString() != null) {

            throws VersionRangeResolverException {
        nonNull(request, "request");
        InternalSession session = InternalSession.from(request.getSession());

        try {
            VersionRangeResult res = repositorySystem.resolveVersionRange(
                    session.getSession(),
                    new VersionRangeRequest(
                            session.toArtifact(request.getArtifactCoordinate()),

        resolve(artifact, remoteRepositories, getSession(localRepository));
    }

    public void resolveAlways(
            Artifact artifact, List<ArtifactRepository> remoteRepositories, ArtifactRepository localRepository)
            throws ArtifactResolutionException, ArtifactNotFoundException {
        resolve(artifact, remoteRepositories, getSession(localRepository));
    }

    private void resolve(