if (reactorBuildStatus.isHalted()) {
                        break;
                    }
                } catch (Exception e) {
                    break; // Why are we just ignoring this exception? Are exceptions are being used for flow control
                }
            }
        }
    }

                    }
                } catch (ModelParserException e) {
                    exceptions.add(e);
                }
            }
            try {
                return doRead(request);
            } catch (IOException e) {
                exceptions.forEach(e::addSuppressed);
                throw e;
            }
        } else {
            return doRead(request);

                            // as it would pull in dependency on:
                            // - maven-plugin-api (for model)
                            // - Plexus Container (for model supporting classes and exceptions)
                            XmlNode root = XmlNodeStaxBuilder.build(is, null);
                            String groupId = root.getChild("groupId").getValue();

                    "The plugin " + pluginDescriptor.getId() + " has unmet prerequisites: " + messages,
                    prerequisiteExceptions.get(0));
            // the first exception is added as cause, all other ones as suppressed exceptions
            prerequisiteExceptions.stream().skip(1).forEach(pie::addSuppressed);
            throw pie;
        }
    }

    @Override
    @Deprecated

     *
     * @param exceptions the exceptions that occurred while building the dependency graph
     * @param root the root node of the dependency graph
     * @param count estimated number of dependencies
     */
    DefaultDependencyResolverResult(List<Exception> exceptions, Node root, int count) {
        this.exceptions = exceptions;
        this.root = root;
        nodes = new ArrayList<>(count);

class Expand { private java.io.File dest; private java.io.File source; private boolean overwrite; public void Expand(); public void execute() throws Exception; protected void expandFile(java.io.File, java.io.File) throws Exception; protected void extractFile(java.io.File, java.io.File, java.io.InputStream, String, java.util.Date, boolean) throws Exception; public void setDest(java.io.File); public void setSrc(java.io.File); public void setOverwrite(boolean); public java.io.File resolveFile(java.io.File,...

        assertEquals("b", pom.getValue("build/plugins[1]/executions[1]/goals[1]"));
        assertEquals("a", pom.getValue("build/plugins[1]/executions[1]/goals[2]"));
        assertEquals("d", pom.getValue("build/plugins[1]/executions[1]/goals[3]"));
        assertEquals("c", pom.getValue("build/plugins[1]/executions[1]/goals[4]"));
        assertEquals("e", pom.getValue("build/plugins[1]/executions[1]/goals[5]"));

     */
    public ProjectModelResolverTest() {
        super();
    }

    @Test
    void testResolveParentThrowsUnresolvableModelExceptionWhenNotFound() throws Exception {
        final Parent parent = new Parent();
        parent.setGroupId("org.apache");
        parent.setArtifactId("apache");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(

/**
 * The Exception class throw by the {@link Lookup} service.
 *
 * @since 4.0.0
 */
@Experimental
public class LookupException extends MavenException {

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

    /**
     * @param message the message to give
     * @param e the {@link Exception}
     */

    MetadataGraphVertex v3;
    MetadataGraphVertex v4;

    // ------------------------------------------------------------------------------------------
    @BeforeEach
    void setUp() throws Exception {
        graph = new MetadataGraph(4, 3);
        /*
         *       v2
         *   v1<
         *       v3-v4
         *
         */
        v1 = graph.addVertex(new ArtifactMetadata("g", "a1", "1.0"));