import org.apache.maven.project.ProjectBuildingException;

/**
 */
public class MavenExecutionException extends Exception {
    private File pomFile;

    public MavenExecutionException(String message, File pomFile) {
        super(message);
        this.pomFile = pomFile;
    }

    public MavenExecutionException(String message, File pomFile, ProjectBuildingException cause) {
        super(message, cause);

 *
 * @since 4.0.0
 */
@Experimental
public class MavenExecutionException extends MavenException {

    /**
     * Constructs a new MavenExecutionException with the specified cause.
     *
     * @param cause The underlying exception that caused the execution failure
     */
    public MavenExecutionException(Throwable cause) {
        super(cause);
    }

     * before they are sorted and actual build execution starts.
     *
     * @param session the Maven session
     * @throws MavenExecutionException in case of issue
     */
    public void afterProjectsRead(MavenSession session) throws MavenExecutionException {
        // do nothing
    }

    /**
     * Invoked after MavenSession instance has been created.
     *

import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;

import org.apache.maven.MavenExecutionException;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.ProjectActivation;
import org.apache.maven.project.MavenProject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

                throw new MavenExecutionException(message, request.getPom());
            }
        }

        return result;
    }

    private List<MavenProject> includeAlsoMakeTransitively(
            List<MavenProject> projects, MavenExecutionRequest request, ProjectDependencyGraph graph)
            throws MavenExecutionException {
        List<MavenProject> result = projects;

        final MavenProject mavenProject = createMavenProject("maven-core");
        final List<MavenProject> listOfProjects = Collections.singletonList(mavenProject);

        final MavenExecutionException exception = assertThrows(
                MavenExecutionException.class,
                () -> sut.getRequiredProjectsBySelectors(mavenExecutionRequest, listOfProjects, selectors));
        assertTrue(exception.getMessage().contains("Could not find"));

        callListeners(session, AbstractMavenLifecycleParticipant::afterSessionEnd);
    }

    @FunctionalInterface
    interface ListenerMethod {
        void run(AbstractMavenLifecycleParticipant listener, MavenSession session) throws MavenExecutionException;
    }

    private void callListeners(MavenSession session, ListenerMethod method) throws MavenExecutionException {

                        .expectResult(MavenExecutionException.class, "empty reactor"),
                scenario("Excluded aggregator, but selected child")
                        .activeRequiredProjects(MODULE_C_1)
                        .inactiveRequiredProjects(MODULE_C)
                        .expectResult(MavenExecutionException.class, "empty reactor"),

import java.util.List;
import java.util.Map;

/**
 * Signals a collision of two or more projects with the same g:a:v during a reactor build.
 *
 */
public class DuplicateProjectException extends MavenExecutionException {

    private Map<String, List<File>> collisions;

    /**
     * Creates a new exception with specified details.
     *
     * @param message The message text, may be {@code null}.

 * under the License.
 */
package org.apache.maven;

/**
 * Signals an internal error in Maven itself, e.g. a programming bug.
 *
 */
public class InternalErrorException extends MavenExecutionException {

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