field.set(v4src, ModelProblemUtils.toId(model));
                } catch (Throwable t) {
                    // TODO: use a lazy source ?
                    throw new IllegalStateException("Unable to set modelId on InputSource", t);
                }
            }
        } catch (XmlReaderException e) {
            problems.add(
                    Severity.FATAL,

     * @throws IllegalStateException if the rootDirectory cannot be found
     */
    public Path getRootDirectory() {
        if (rootDirectory == null) {
            throw new IllegalStateException(RootLocator.UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE);
        }
        return rootDirectory;
    }

    public void setRootDirectory(Path rootDirectory) {
        this.rootDirectory = rootDirectory;
    }

            } else {
                return xml.read(inputStream, request.isStrict(), source);
            }
        } catch (Exception e) {
            throw new XmlReaderException("Unable to read settings", e);
        }
    }

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

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

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

            DeployResult result = session.getRepositorySystem().deploy(session.getSession(), deployRequest);
        } catch (DeploymentException e) {
            throw new ArtifactDeployerException("Unable to deploy artifacts", e);
        }
    }

        ClassLoader cloader = Thread.currentThread().getContextClassLoader();

        URL resourceUrl = cloader.getResource(resource);

        if (resourceUrl == null) {
            throw new FileNotFoundException("Unable to find: " + resource);
        }

        return new File(resourceUrl.toURI());
    }

    protected ArtifactRepository getLocalRepository() throws Exception {

            return properties;
        }

        try (Reader reader = Files.newBufferedReader(path)) {
            properties.load(reader);
        } catch (IOException e) {
            LOGGER.warn("Unable to read {}. The --resume / -r feature will not work.", path);
        }

        return properties;
    }

    // This method is made package-private for testing purposes

                                            throw new ArtifactResolutionException(
                                                    "Unable to get dependency information: " + e.getMessage(),
                                                    resetArtifact,
                                                    request.getRemoteRepositories(),

        e = assertInstanceOf(IntrospectionException.class, e.getCause());
        e = assertInstanceOf(IllegalStateException.class, e.getCause());
        assertEquals(RootLocator.UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE, e.getMessage());
    }

    @Test
    void testRootDirectory() throws Exception {
        this.rootDirectory = Paths.get("myRootDirectory");

            return (String) method.invoke(instance, message, possibleValues, defaultReply);
        } catch (Exception e) {
            throw new PrompterException("Unable to call prompter", e);
        }
    }

    @Override
    public String promptForPassword(String message) throws PrompterException {
        try {