.getPluginDescriptor()
                            .getLifecycleMappings()
                            .values()));
                } catch (Exception e) {
                    throw new RuntimeException("Unable to load plugin lifecycles", e);
                }
            }

            @Override
            public ClassLoader getClassLoader() {
                return delegate.getMojoDescriptor().getRealm();

                    new ProjectExecutionEvent(session, currentProject, t));

            // rethrow original errors and runtime exceptions
            if (t instanceof RuntimeException) {
                throw (RuntimeException) t;
            }
            if (t instanceof Error) {
                throw (Error) t;
            }
        } finally {
            session.setCurrentProject(null);

    void testHandleExceptionLoopInCause() {
        // Some broken exception that does return "this" as getCause
        AtomicReference<Throwable> causeRef = new AtomicReference<>(null);
        Exception cause2 = new RuntimeException("loop") {
            @Override
            public synchronized Throwable getCause() {
                return causeRef.get();
            }
        };
        causeRef.set(cause2);

                try {
                    return supplier.load();
                } catch (PluginResolutionException | PluginContainerException e) {
                    throw new RuntimeException(e);
                }
            });
        } catch (RuntimeException e) {
            if (e.getCause() instanceof PluginResolutionException) {
                throw (PluginResolutionException) e.getCause();
            }

 * Currently, this modification would create compatibility problems for existing plugins.
 */
public class DuplicateArtifactAttachmentException extends RuntimeException {

    private static final String DEFAULT_MESSAGE = "Duplicate artifact attachment detected.";

    private Artifact artifact;

    private final MavenProject project;

                        rr.getPolicy(true).getUpdatePolicy(),
                        rr.getPolicy(false).getChecksumPolicy());

            } catch (Exception e) {
                throw new RuntimeException("Unable to create repository", e);
            }
        } else {
            // TODO
            throw new UnsupportedOperationException("Not yet implemented");
        }
    }

/**
 * Exception thrown when the identity of an artifact can not be established,
 * e.g. one of groupId, artifactId, version or type is null.
 */
public class InvalidArtifactRTException extends RuntimeException {

    private final String groupId;
    private final String artifactId;
    private final String version;
    private final String type;
    private final String baseMessage;

        try {
            transporter.get(getTask);
            return true;
        } catch (Exception e) {
            if (Transporter.ERROR_NOT_FOUND != transporter.classify(e)) {
                throw new RuntimeException(e);
            }
            return false;
        }
    }

    @Override
    public Optional<byte[]> getBytes(URI relativeSource) {
        try {
            Path tempPath = null;
            try {

import org.apache.maven.api.annotations.Experimental;

/**
 * Base class for all maven exceptions.
 *
 * @since 4.0.0
 */
@Experimental
public class MavenException extends RuntimeException {
    public MavenException() {}

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

    public MavenException(String message, Throwable cause) {
        super(message, cause);

     *
     * @throws RuntimeException If PUT fails for any reason.
     */
    void put(@Nonnull Path source, @Nonnull URI relativeTarget);

    /**
     * PUTs the source byte array to target URI. The target MUST BE relative from the
     * {@link RemoteRepository#getUrl()} root.
     *
     * @throws RuntimeException If PUT fails for any reason.
     */
    void putBytes(@Nonnull byte[] source, @Nonnull URI relativeTarget);

    /**