// Test with very long message
        int statusCode = 413;
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("Very long error message content. ");
        }
        String message = longMessage.toString();

        WebApiException exception = new WebApiException(statusCode, message);

        for (int i = 0; i < 1000; i++) {
            sb.append("Long message part ").append(i).append(" ");
        }
        String longMessage = sb.toString();

        PluginException exception = new PluginException(longMessage);

        assertNotNull(exception);
        assertEquals(longMessage, exception.getMessage());
    }

    public void test_multiLevelExceptionChain() {
        // Test multi-level exception chain

    }

    public void test_longMessage() {
        // Test with very long message
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("Long SSO error message part ").append(i).append(" ");
        }
        String message = longMessage.toString();

        SsoLoginException exception = new SsoLoginException(message);

        }
        final String longMessage = longMessageBuilder.toString();
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute
        final InvalidQueryException exception = new InvalidQueryException(messageCode, longMessage);

        // Verify long message is handled correctly

        // Create a very long exception message
        StringBuilder longMessage = new StringBuilder("Error: ");
        for (int i = 0; i < 100; i++) {
            longMessage.append("This is a very long error message part ").append(i).append(". ");
        }
        final String errorMessage = longMessage.toString();

        // Create mock SearchEngineClient that throws exception with long message

            // Test with very long message
            StringBuilder longMessage = new StringBuilder();
            for (int i = 0; i < 1000; i++) {
                longMessage.append("This is a very long error message. ");
            }
            WebApiUtil.setError(500, longMessage.toString());

            // Test with special characters in message