assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "LDAP error occurred";
        LdapOperationException exception = new LdapOperationException(message, null);

        assertEquals(message, exception.getMessage());

        String message1 = "First exception";
        String message2 = "Second exception";

        UnsupportedSearchException exception1 = new UnsupportedSearchException(message1);
        UnsupportedSearchException exception2 = new UnsupportedSearchException(message2);

        assertNotSame(exception1, exception2);
        assertEquals(message1, exception1.getMessage());

    private static final long serialVersionUID = 1L;

    /** Message code for localized error messages */
    private final transient VaMessenger<FessMessages> messageCode;

    /**
     * Creates a new InvalidQueryException with message code, message, and cause.
     *
     * @param messageCode the message code for localized error messages
     * @param message the detailed error message
     * @param cause the cause of the exception
     */

    /** The message code for internationalized error messages. */
    private final transient VaMessenger<FessMessages> messageCode;

    /**
     * Constructs a new SSO message exception with message code, detailed message, and cause.
     *
     * @param messageCode The message code for internationalized error display
     * @param message The detailed error message

   * that enqueued messages were not transmitted.
   */
  fun queueSize(): Long

  /**
   * Attempts to enqueue `text` to be UTF-8 encoded and sent as a the data of a text (type `0x1`)
   * message.
   *
   * This method returns true if the message was enqueued. Messages that would overflow the outgoing
   * message buffer will be rejected and trigger a [graceful shutdown][close] of this web socket.

     *            Simple message with arguments expanded
     * @return Message with message code
     */
    public static String getFormattedMessage(final String messageCode, final String simpleMessage) {
        return "[" + messageCode + "]" + simpleMessage;
    }

    /**
     * Expands arguments and returns a simple message without a message code.
     *
     * @param messageCode
     *            Message code
     * @param args

     * @param validationMessagesLambda lambda function that adds validation messages
     * @return concatenated string of localized validation messages separated by spaces
     */
    protected String getMessage(final VaMessenger<FessMessages> validationMessagesLambda) {
        final FessMessages messages = new FessMessages();
        validationMessagesLambda.message(messages);

 * This validator provides validation functionality for Fess web actions with custom
 * message handling and runtime group validation.
 *
 * @param <MESSAGES> the type of user messages used by this validator
 */
public class FessActionValidator<MESSAGES extends UserMessages> extends ActionValidator<MESSAGES> {

    /**
     * Constructs a new FessActionValidator with the specified components.
     *

     */
    private final Object[] args;

    /**
     * The formatted message.
     */
    private final String message;

    /**
     * The simple message without the message code.
     */
    private final String simpleMessage;

    /**
     * Creates {@link ClRuntimeException}.
     *
     * @param messageCode message code
     */

  }

  fun assertFailure(
    cls: Class<out IOException?>?,
    vararg messages: String,
  ) {
    val event = nextEvent() as Failure
    assertThat(event.response).isNull()
    assertThat(event.t.javaClass).isEqualTo(cls)
    if (messages.isNotEmpty()) {
      assertThat(messages).contains(event.t.message)
    }
  }

  fun assertFailure() {
    nextEvent() as Failure
  }