String msg = str + " mojo is already being executed "
                            + "on the project " + session.getCurrentProject().getGroupId()
                            + ":" + session.getCurrentProject().getArtifactId() + ". "
                            + "This mojo execution will be blocked "
                            + "until the mojo is done.";
                    warn(msg);

        return type;
    }

    @Override
    public MavenSession getSession() {
        return session;
    }

    @Override
    public MavenProject getProject() {
        return session.getCurrentProject();
    }

    @Override
    public MojoExecution getMojoExecution() {
        return mojoExecution;
    }

    @Override
    public Exception getException() {
        return exception;
    }

        // [prefix]:[goal]

        if (session.getCurrentProject() != null) {
            try {
                lifecyclePluginResolver.resolveMissingPluginVersions(session.getCurrentProject(), session);
            } catch (PluginVersionResolutionException e) {
                // not critical here
                logger.debug(e.getMessage(), e);

    }

    /*
    @Test
    public void testExclusionsInDependencies()
        throws Exception
    {
        MavenSession session = createMavenSession( null );
        MavenProject project = session.getCurrentProject();

        Exclusion exclusion = new Exclusion();
        exclusion.setGroupId( "org.apache.maven.its" );
        exclusion.setArtifactId( "a" );

        return request;
    }

    public void setCurrentProject(MavenProject currentProject) {
        this.currentProject.set(currentProject);
    }

    public MavenProject getCurrentProject() {
        return currentProject.get();
    }

    public ProjectBuildingRequest getProjectBuildingRequest() {
        return request.getProjectBuildingRequest().setRepositorySession(getRepositorySession());

            DependencyFilter filter)
            throws PluginResolutionException, PluginContainerException {
        Plugin plugin = pluginDescriptor.getPlugin();
        MavenProject project = session.getCurrentProject();

        if (plugin.isExtensions()) {
            ExtensionRealmCache.CacheRecord extensionRecord;
            try {
                RepositorySystemSession repositorySession = session.getRepositorySession();

        File pom = getProject("project-basic");
        MavenSession session = createMavenSession(pom);
        assertEquals("project-basic", session.getCurrentProject().getArtifactId());
        assertEquals("1.0", session.getCurrentProject().getVersion());
        List<MojoExecution> executionPlan = getExecutions(calculateExecutionPlan(session, "resources:resources"));
        assertEquals(1, executionPlan.size());

            desc.setGroupId(PluginDescriptor.getDefaultPluginGroupId());
            desc.setArtifactId(PluginDescriptor.getDefaultPluginArtifactId("toolchains"));

            MavenProject current = session.getCurrentProject();

            if (current != null) {
                // TODO why is this using the context
                context = session.getPluginContext(desc, current);
            }
        }

            mergedSegment.getTasks().addAll(taskSegment.getTasks());
        }

        return lifecycleExecutionPlanCalculator.calculateExecutionPlan(
                session, session.getCurrentProject(), mergedSegment.getTasks(), setup);
    }

    public MavenExecutionPlan calculateExecutionPlan(MavenSession session, String... tasks)

 *                                             <td>{@link MavenSession#getRepositorySession()}</td></tr>
 * <tr><td><code>project</code></td>           <td></td>
 *                                             <td>{@link MavenSession#getCurrentProject()}</td></tr>
 * <tr><td><code>project.*</code></td>         <td></td>               <td></td></tr>
 * <tr><td><code>pom.*</code></td>             <td>(since Maven 3)</td><td>same as <code>project.*</code></td></tr>