converterLookup, request.getBean(), classLoader, plexusConfig, evaluator, null);
        } catch (ComponentConfigurationException e) {
            throw new BeanConfigurationException(e.getMessage(), e);
        }
    }

    static class BeanExpressionEvaluator implements TypeAwareExpressionEvaluator {

        private final BeanConfigurationValuePreprocessor preprocessor;

        messages = new ArrayList<>();
    }

    public int getMessageCount() {
        return messages.size();
    }

    public String getMessage(int i) {
        return messages.get(i);
    }

    public List<String> getMessages() {
        return Collections.unmodifiableList(messages);
    }

    public void addMessage(String message) {
        messages.add(message);
    }

        } catch (final LoginFailureException lfe) {
            if (logger.isInfoEnabled()) {
                logger.info("Login failed for user: username={}, reason={}", username, lfe.getMessage());
            }
            activityHelper.loginFailure(OptionalThing.of(new LocalUserCredential(username, password)));

            PrintStream ps = new PrintStream(os);
            ps.println(
                    "A required class was missing while executing " + mojoDescriptor.getId() + ": " + e.getMessage());
            pluginRealm.display(ps);
            Exception wrapper = new PluginContainerException(mojoDescriptor, pluginRealm, os.toString(), e);

          "the hash (1) of TestObject{group=1, item=1} [group 1, item 1] must be "
              + "equal to the hash (2) of TestObject{group=1, item=2} [group 1, item 2]";
      if (!expected.getMessage().contains(expectedMessage)) {
        fail("<" + expected.getMessage() + "> expected to contain <" + expectedMessage + ">");
      }
      return;
    }
    fail();
  }

  /** An object with a friendly {@link #toString()}. */

          "the hash (1) of TestObject{group=1, item=1} [group 1, item 1] must be "
              + "equal to the hash (2) of TestObject{group=1, item=2} [group 1, item 2]";
      if (!expected.getMessage().contains(expectedMessage)) {
        fail("<" + expected.getMessage() + "> expected to contain <" + expectedMessage + ">");
      }
      return;
    }
    fail();
  }

  /** An object with a friendly {@link #toString()}. */

                MavenExecutionException.class,
                () -> sut.getRequiredProjectsBySelectors(mavenExecutionRequest, listOfProjects, selectors));
        assertTrue(exception.getMessage().contains("Could not find"));
        assertTrue(exception.getMessage().contains(":required"));
    }

    @Test
    void getRequiredProjectsBySelectorsReturnsProject() throws MavenExecutionException {

        ProjectBuildingException e = assertThrows(
                ProjectBuildingException.class, () -> getProject(f1), "Expected to fail for future versions");
        assertTrue(e.getMessage().contains("Building this project requires a newer version of Maven"));
    }

    @Test
    void testPastModelVersion() throws Exception {
        // a Maven 1.x pom will not even

     *            Exception. Must not be {@literal null}.
     */
    public void log(final Throwable throwable) {
        assertArgumentNotNull("throwable", throwable);

        error(throwable.getMessage(), throwable);
    }

    /**
     * Outputs a log entry.
     *
     * @param messageCode
     *            Message code. Must not be {@literal null} or empty string.
     * @param args

            return target.getClass().getSimpleName() + "[" + target.getMessage() + "]";
        }
        final StringBuilder sb = new StringBuilder();
        while (target != null) {
            sb.append(target.getClass().getSimpleName());
            if (target.getMessage() != null) {
                sb.append("[");
                sb.append(target.getMessage());
                sb.append("]");
            }