ConnectException connEx = new ConnectException("Connection refused: connect");
        IOException ioEx = new IOException("Unable to establish loopback connection", connEx);
        MojoExecutionException mojoEx =
                new MojoExecutionException("Error executing Jetty: Unable to establish loopback connection", ioEx);

        ExceptionHandler exceptionHandler = new DefaultExceptionHandler();

                    return xml.read(is, request.isStrict(), source);
                }
            }
        } catch (Exception e) {
            throw new XmlReaderException("Unable to read model: " + getMessage(e), getLocation(e), e);
        }
    }

    @Override
    public void write(XmlWriterRequest<Model> request) throws XmlWriterException {
        nonNull(request, "request");

                    Key.of(mojoDescriptor.getImplementationClass(), mojoDescriptor.getRoleHint())));

        } catch (Exception e) {
            throw new PluginContainerException(mojoDescriptor, pluginRealm, "Unable to lookup Mojo", e);
        }

        XmlNode dom = mojoExecution.getConfiguration() != null
                ? mojoExecution.getConfiguration().getDom()
                : null;

    }

    private static boolean repositoryPolicyEquals(ArtifactRepositoryPolicy p1, ArtifactRepositoryPolicy p2) {
        if (p1 == p2) {
            return true;
        }

        return p1.isEnabled() == p2.isEnabled() && Objects.equals(p1.getUpdatePolicy(), p2.getUpdatePolicy());
    }

    private static boolean repositoriesEquals(List<ArtifactRepository> r1, List<ArtifactRepository> r2) {
        if (r1.size() != r2.size()) {

      assertBitEquals(prev, at.get());
      assertTrue(at.compareAndSet(prev, x));
      assertBitEquals(x, at.get());
      prev = x;
    }
  }

  /** compareAndSet in one thread enables another waiting for value to succeed */
  public void testCompareAndSetInMultipleThreads() throws Exception {
    final AtomicDouble at = new AtomicDouble(1.0);
    Thread t =
        newStartedThread(

   *
   * @param key the non-null key whose value should be loaded
   * @return the value associated with {@code key}; <b>must not be null</b>
   * @throws Exception if unable to load the result
   * @throws InterruptedException if this method is interrupted. {@code InterruptedException} is
   *     treated like any other {@code Exception} in all respects except that, when it is caught,

                    for (Plugin unsafePlugin : unsafePlugins) {
                        logger.warn("  " + unsafePlugin.getId());
                    }
                    logger.warn("");
                    logger.warn("Enable verbose output (-X) to see precisely which goals are not marked as"
                            + " thread-safe.");
                }
                logger.warn(MultilineMessageHelper.separatorLine());
            }

            try {
                String version = resolveVersion(artifact, request);
                if (Artifact.LATEST_VERSION.equals(version)) {
                    throw new ArtifactNotFoundException("Unable to determine the latest version", artifact);
                }

                artifact.setBaseVersion(version);
                artifact.updateVersion(version, request.getLocalRepository());

    implements ListenableFuture<V> {

  static final boolean GENERATE_CANCELLATION_CAUSES = false;

  /**
   * Tag interface marking trusted subclasses. This enables some optimizations. The implementation
   * of this interface must also be an AbstractFuture and must not override or expose for overriding
   * any of the public methods of ListenableFuture.
   */

                    paths.put(artifact, path);
                }
            }
            return () -> paths;
        } catch (ArtifactResolutionException e) {
            throw new ArtifactResolverException("Unable to resolve artifact: " + e.getMessage(), e);
        }
    }