// The root locator can be used very early during the setup of Maven,
            // even before the arguments from the command line are parsed.  Any exception
            // that would happen here should cause the build to fail at a later stage
            // (when actually parsing the POM) and will lead to a better exception being
            // displayed to the user, so just bail out and return false.
        }
        return false;

     *
     * @return the location of the problem, never {@code null}
     */
    @Nonnull
    String getLocation();

    /**
     * Gets the exception that caused this problem (if any).
     *
     * @return the exception that caused this problem or {@code null} if not applicable
     */
    @Nullable
    Exception getException();

    /**
     * Gets the message that describes this problem.
     *

    }

    /* MNG-4193 */
    @Test
    void testValidationErrorUponNonUniqueArtifactRepositoryIdInProfile() throws Exception {
        assertThrows(
                ProjectBuildingException.class,
                () -> buildPom("unique-repo-id/artifact-repo-in-profile"),
                "Non-unique repository ids did not cause validation error");
    }

     * Gets the current mojo execution (if any).
     *
     * @return The current mojo execution or {@code null} if not applicable.
     */
    MojoExecution getMojoExecution();

    /**
     * Gets the exception that caused the event (if any).
     *
     * @return The exception or {@code null} if none.
     */
    Exception getException();

 * artifactId, and version for the plugin; at times, the goal name for which
 * execution failed; a message detailing the problem; the ClassRealm used to
 * look up the plugin; and the Plexus exception that caused this error.
 *
 *
 */
public class PluginContainerException extends PluginManagerException {

    private ClassRealm pluginRealm;

    public PluginContainerException(

        MavenSession session = mock(MavenSession.class);
        MavenExecutionRequest req = new DefaultMavenExecutionRequest();
        when(session.getRequest()).thenReturn(req);

        ToolchainPrivate basicToolchain = mock(ToolchainPrivate.class);
        when(toolchainFactory_basicType.createDefaultToolchain()).thenReturn(basicToolchain);
        ToolchainPrivate rareToolchain = mock(ToolchainPrivate.class);

        assertEquals(0, toolchains.size());
        verify(logger).error("Missing toolchain factory for type: unknown. Possibly caused by misconfigured project.");
    }

    @Test
    void testModelAndFactory() {
        MavenSession session = mock(MavenSession.class);
        MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();

            String locationInPom,
            String offendingVersion,
            File pomFile,
            InvalidVersionSpecificationException cause) {
        super(projectId, formatMessage(projectId, locationInPom, offendingVersion, cause), pomFile, cause);
        this.locationInPom = locationInPom;
        this.offendingVersion = offendingVersion;
    }

    private static String formatMessage(
            String projectId,

/**
 */
@Deprecated
public class ArtifactDeploymentException extends Exception {
    public ArtifactDeploymentException(String message) {
        super(message);
    }

    public ArtifactDeploymentException(Throwable cause) {
        super(cause);
    }

    public ArtifactDeploymentException(String message, Throwable cause) {
        super(message, cause);
    }

 *
 * @since 4.0.0
 */
public class SuperPomProviderException extends MavenException {

    public SuperPomProviderException() {
        super();
    }

    public SuperPomProviderException(String message) {
        super(message);
    }

    public SuperPomProviderException(String message, Throwable cause) {
        super(message, cause);
    }