String msg = str + " aggregator mojo is already being executed "
                            + "in this parallel build, those kind of mojos require exclusive access to "
                            + "reactor to prevent race conditions. This mojo execution will be blocked "
                            + "until the aggregator mojo is done.";
                    warn(msg);

                String msg = "The expression ${" + expression + "} is deprecated.";
                if (newPrefix != null && !newPrefix.isEmpty()) {
                    msg += " Please use ${" + newPrefix + expression.substring(bannedPrefix.length()) + "} instead.";
                }
                problems.add(BuilderProblem.Severity.WARNING, ModelProblem.Version.V20, msg);
            }

            return value;

        } catch (IOException e) {
            String msg = e.getMessage();
            if (msg == null || msg.isEmpty()) {
                // NOTE: There's java.nio.charset.MalformedInputException and sun.io.MalformedInputException
                if (e.getClass().getName().endsWith("MalformedInputException")) {
                    msg = "Some input bytes do not match the file encoding.";
                } else {

            } catch (PluginResolutionException e) {
                String msg = "Cannot setup plugin realm [mojoDescriptor=" + mojoDescriptor.getId()
                        + ", pluginDescriptor=" + pluginDescriptor.getId() + "]";
                throw new PluginConfigurationException(pluginDescriptor, msg, e);
            }
            pluginRealm = pluginDescriptor.getClassRealm();
        }

        assertEquals("reloc-aid", pom.getValue("distributionManagement/relocation/artifactId"));
        assertEquals("reloc-version", pom.getValue("distributionManagement/relocation/version"));
        assertEquals("project-reloc-msg", pom.getValue("distributionManagement/relocation/message"));

        assertEquals(1, ((List<?>) pom.getValue("modules")).size());
        assertEquals("sub", pom.getValue("modules[1]"));

    }

    @AfterEach
    void tearDown() throws Exception {
        validator = null;
    }

    private void assertContains(String msg, String substring) {
        assertTrue(msg.contains(substring), "\"" + substring + "\" was not found in: " + msg);
    }

    @Test
    void testValidate() {
        Profile prof = Profile.newBuilder().id("xxx").build();

    }

    public String getMessage() {
        String msg;

        if (message != null && !message.isEmpty()) {
            msg = message;
        } else {
            msg = exception.getMessage();

            if (msg == null) {
                msg = "";
            }
        }

        return msg;
    }

    public Severity getSeverity() {
        return severity;

        StringBuilder buffer = new StringBuilder(128);
        buffer.append('[').append(severity).append("]");
        String msg = message != null ? message : exception != null ? exception.getMessage() : null;
        if (msg != null && !msg.isEmpty()) {
            buffer.append(" ").append(msg);
        }
        String location = getLocation();
        if (!location.isEmpty()) {
            buffer.append(" @ ").append(location);

            }
        } catch (IOException e) {
            String msg = "Could not parse " + resource + ", Maven runtime information not available";
            if (logger.isDebugEnabled()) {
                logger.warn(msg, e);
            } else {
                logger.warn(msg);
            }
        }

        String version = props.getProperty("version", "").trim();

    @Override
    public String getMessage() {
        String msg = null;

        if (message != null && !message.isEmpty()) {
            msg = message;
        } else if (exception != null) {
            msg = exception.getMessage();
        }

        if (msg == null) {
            msg = "";
        }

        return msg;
    }

    @Override
    public Severity getSeverity() {