writer.print("encountered while building the effective toolchains");
        writer.println();

        for (Problem problem : problems) {
            writer.print("[");
            writer.print(problem.getSeverity());
            writer.print("] ");
            writer.print(problem.getMessage());
            String location = problem.getLocation();
            if (!location.isEmpty()) {
                writer.print(" @ ");

        StringBuilder msg = new StringBuilder(message);
        problems.problems().forEach(problem -> msg.append("\n * ")
                .append(problem.getSeverity().name())
                .append(": ")
                .append(problem.getMessage()));
        return msg.toString();
    }

    /**
     * Returns the problem collector associated with this exception.
     *

            writer.print(modelId);
        }
        writer.println();

        for (ModelProblem problem : problems) {
            writer.print("[");
            writer.print(problem.getSeverity());
            writer.print("] ");
            writer.print(problem.getMessage());
            writer.print(" @ ");
            writer.println(ModelProblemUtils.formatLocation(problem, modelId));
        }

        List<Profile> profiles = profileSelector.getActiveProfiles(profilesById.values(), context, req -> {
            if (!ModelProblem.Severity.WARNING.equals(req.getSeverity())) {
                errors.add(new ProfileActivationException(req.getMessage(), req.getException()));
            }
        });

        if (!errors.isEmpty()) {
            throw errors.get(0);
        }

    }

    private boolean hasErrors(List<Problem> problems) {
        if (problems != null) {
            for (Problem problem : problems) {
                if (Problem.Severity.ERROR.compareTo(problem.getSeverity()) >= 0) {
                    return true;
                }
            }
        }

        return false;
    }

    private boolean hasErrors(List<SettingsProblem> problems) {
        if (problems != null) {
            for (SettingsProblem problem : problems) {
                if (SettingsProblem.Severity.ERROR.compareTo(problem.getSeverity()) >= 0) {
                    return true;
                }
            }
        }

        return false;
    }

    private Source getSettingsSource(File settingsFile, Source settingsSource) {

        return new ExceptionSummary(null, message, null, children);
    }

    private ExceptionSummary handle(ModelProblem problem, String projectId) {
        if (ModelProblem.Severity.ERROR.compareTo(problem.getSeverity()) >= 0) {
            String message = problem.getMessage();

            String location = ModelProblemUtils.formatLocation(problem, projectId);

            if (!location.isEmpty()) {

        Result<? extends ProjectDependencyGraph> graphResult = graphBuilder.build(session);
        for (ModelProblem problem : graphResult.getProblems()) {
            if (problem.getSeverity() == ModelProblem.Severity.WARNING) {
                logger.warn(problem.getMessage());
            } else {
                logger.error(problem.getMessage());
            }
        }