"Your build is requesting parallel execution, but this project contains the following "
                                + "plugin(s) that have goals not marked as thread-safe to support parallel execution.",
                        "While this /may/ work fine, please look for plugin updates and/or "
                                + "request plugins be made thread-safe.",

    //    {
    //        ProxyInfo proxyInfo = new ProxyInfo();
    //        proxyInfo.setHost( host );
    //        proxyInfo.setType( protocol );
    //        proxyInfo.setPort( port );
    //        proxyInfo.setNonProxyHosts( nonProxyHosts );
    //        proxyInfo.setUserName( username );
    //        proxyInfo.setPassword( password );
    //

            return ValidationReportLevel.valueOf(level.toUpperCase(Locale.ENGLISH));
        } catch (IllegalArgumentException e) {
            logger.warn(
                    "Invalid value specified for property {}: '{}'. Supported values are (case insensitive): {}",
                    MAVEN_PLUGIN_VALIDATION_KEY,
                    level,
                    Arrays.toString(ValidationReportLevel.values()));

 * <tr><td><code>*</code></td>                 <td></td>               <td>system properties</td></tr>
 * </table>
 * <i>Notice:</i> <code>reports</code> was supported in Maven 2.x but was removed in Maven 3
 *
 * @see MavenSession
 * @see MojoExecution
 */
public class PluginParameterExpressionEvaluator implements TypeAwareExpressionEvaluator {
    private MavenSession session;

        } catch (DependencyResolutionException e) {
            result = e.getResult();

            /*
             * MNG-2277, the check below compensates for our bad plugin support where we ended up with aggregator
             * plugins that require dependency resolution although they usually run in phases of the build where project

                // Translate to proper resolver configuration properties as well (as Plexus XML above is Wagon specific
                // only) but support only configuration/httpConfiguration/all, see
                // https://maven.apache.org/guides/mini/guide-http-settings.html
                Map<String, String> headers = null;
                Integer connectTimeout = null;

    public void validate(Settings settings, boolean isProjectSettings, List<BuilderProblem> problems) {
        if (isProjectSettings) {
            String msgS = "is not supported on project settings.";
            String msgP = "are not supported on project settings.";
            if (settings.getLocalRepository() != null
                    && !settings.getLocalRepository().isEmpty()) {

        try {
            wagon = container.lookup(Wagon.class, hint);
        } catch (ComponentLookupException e) {
            throw new UnsupportedProtocolException(
                    "Cannot find wagon which supports the requested protocol: " + protocol, e);
        }

        return wagon;
    }

                if (proxy != null) {
                    Proxy p = new Proxy();
                    p.setHost(proxy.getHost());
                    p.setProtocol(proxy.getType());
                    p.setPort(proxy.getPort());
                    if (proxy.getAuthentication() != null) {
                        repo = new RemoteRepository.Builder(repo)
                                .setProxy(proxy)

                IllegalArgumentException.class, () -> systemSessionFactory.newRepositorySession(request));
        assertEquals(
                "Unknown resolver transport 'illegal'. Supported transports are: wagon, apache, jdk, auto",
                exception.getMessage());
        properties.remove("maven.resolver.transport");
    }

    @Test