public static final String UPDATE_POLICY_INTERVAL = "interval";

    public static final String CHECKSUM_POLICY_FAIL = "fail";

    public static final String CHECKSUM_POLICY_WARN = "warn";

    public static final String CHECKSUM_POLICY_IGNORE = "ignore";

    public static final String DEFAULT_CHECKSUM_POLICY = CHECKSUM_POLICY_FAIL;

    private boolean enabled;

    private String updatePolicy;

    private String checksumPolicy;

        if (t instanceof RuntimeException || !(t instanceof Exception)) {
            // fail fast on RuntimeExceptions, Errors and "other" Throwables
            // assume these are system errors and further build is meaningless
            buildContext.getReactorBuildStatus().halt();
        } else if (MavenExecutionRequest.REACTOR_FAIL_NEVER.equals(rootSession.getReactorFailureBehavior())) {
            // continue the build

/**
 * ReactorManager - unused
 */
@Deprecated
public class ReactorManager {
    public static final String FAIL_FAST = "fail-fast";

    public static final String FAIL_AT_END = "fail-at-end";

    public static final String FAIL_NEVER = "fail-never";

    public static final String MAKE_MODE = "make";

    public static final String MAKE_DEPENDENTS_MODE = "make-dependents";

            // 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;
    }

     * {@link BuilderProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link ToolchainsBuilderException}.
     *
     * @return the problems that were encountered during the settings building, can be empty but never {@code null}
     */
    @Nonnull
    List<BuilderProblem> getProblems();

/**
 */
class DefaultExceptionHandlerTest {
    /**
     * Running Maven under JDK7 may cause connection issues because IPv6 is used by default.
     * <p>
     * e.g running mvn site:run will cause Jetty to fail.
     * </p>
     * <p>
     * The resolution is to add -Djava.net.preferIPv4Stack=true to the command line as documented in
     * http://cwiki.apache.org/confluence/display/MAVEN/ConnectException
     * </p>
     */

    @BeforeEach
    void setUp() throws Exception {
        source = new Source();

        projectArtifact = createArtifactSpec("project", "1.0", null);
    }

    @Test
    @Disabled("works, but we don't fail on cycles presently")
    void testCircularDependencyNotIncludingCurrentProject()
            throws ArtifactResolutionException, InvalidVersionSpecificationException {
        ArtifactSpec a = createArtifactSpec("a", "1.0");

import org.codehaus.plexus.testing.PlexusTest;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.junit.jupiter.api.BeforeEach;

import static org.junit.jupiter.api.Assertions.fail;
import static org.mockito.Mockito.mock;

/**
 */
@PlexusTest
@Deprecated
public abstract class AbstractMavenProjectTestCase {
    protected ProjectBuilder projectBuilder;

    @Inject

        private volatile MavenSession session;

        public void run() {
            try {
                latch.await();
            } catch (InterruptedException ignore) {
                // Test may fail if we get interrupted
            }
            session = defaultLegacySupport.getSession();
        }

        public MavenSession getSession() {
            return session;
        }
    }

    public void testValidationErrorUponNonUniqueDependencyKey()
        throws Exception
    {
        try
        {
            buildPom( "unique-dependency-key/deps" );
            fail( "Non-unique dependency keys did not cause validation error" );
        }
        catch ( ProjectBuildingException e )
        {
            // expected
        }
    }

    @Test