if (e != null) {
            if (e instanceof MetadataNotFoundException) {
                logger.debug(e.getMessage());
            } else if (logger.isDebugEnabled()) {
                logger.warn(e.getMessage(), e);
            } else {
                logger.warn(e.getMessage());
            }
        }
    }

    @Override
    public void metadataInvalid(RepositoryEvent event) {

            for (Exception e : exceptions) {
                msg.append("\t").append(e.getMessage()).append(System.lineSeparator());
            }
        }

        for (Exception exception : result.getCollectionErrors()) {
            msg.append(exception.getMessage()).append(System.lineSeparator());
            if (exception.getCause() != null) {
                msg.append("\tCaused by: ")

    private final Plugin plugin;

    public PluginResolutionException(Plugin plugin, Throwable cause) {
        super(
                "Plugin " + plugin.getId() + " or one of its dependencies could not be resolved: " + cause.getMessage(),
                cause);
        this.plugin = plugin;
    }

    public PluginResolutionException(Plugin plugin, List<Exception> exceptions, Throwable cause) {
        super(

                }
            }

            message = "The build could not read " + children.size() + " project" + (children.size() == 1 ? "" : "s");
        } else {
            message = getMessage(message, exception);
        }

        return new ExceptionSummary(exception, message, reference, children);
    }

    private ExceptionSummary handle(ProjectBuildingResult result) {

                + "\n" + failure.getMessage(), failure);
        } else if (failure instanceof UnsupportedOperationConfigurationException) {
            return new UnsupportedOperationConfigurationException(connectionFailureMessage(failure)
                + "\n" + failure.getMessage(), failure.getCause());
        } else if (failure instanceof GradleConnectionException) {

              public String getMessage() { return "hello"; }
            }
        """

        file("plugin1.gradle") << """
            task sayMessageFrom1 { doLast { println new pkg.Thing().getMessage() } }
            apply from: 'plugin2.gradle'
        """

        file("plugin2.gradle") << """
            task sayMessageFrom2 { doLast { println new pkg.Thing().getMessage() } }
            apply from: 'plugin3.gradle'

        if (t instanceof IOException) {
            if (preserveMessage) {
                throw new UncheckedIOException(t.getMessage(), t);
            } else {
                throw new UncheckedIOException(t);
            }
        }
        if (preserveMessage) {
            throw new UncheckedException(t.getMessage(), t);
        } else {
            throw new UncheckedException(t);
        }
    }

        });
        // aggregate all exceptions
        if (!prerequisiteExceptions.isEmpty()) {
            String messages = prerequisiteExceptions.stream()
                    .map(IllegalStateException::getMessage)
                    .collect(Collectors.joining(", "));
            PluginIncompatibleException pie = new PluginIncompatibleException(
                    pluginDescriptor.getPlugin(),

            if (Objects.equal(e.getMessage(), "An existing connection was forcibly closed by the remote host")) {
                return true;
            }
            if (Objects.equal(e.getMessage(), "An established connection was aborted by the software in your host machine")) {
                return true;
            }
            if (Objects.equal(e.getMessage(), "Connection reset by peer")) {

            Throwable cause = throwable.getCause();
            if (cause == null || cause.getMessage() == null || cause == throwable) {
                return false;
            }
            return throwable.getMessage() == null || !throwable.getMessage().contains(cause.getMessage());
        }

    }

    public static class FileLocationAdapter extends TypeAdapter<FileLocation> {