// Test with URL, message, and exception (abort defaults to false)
        String url = "http://example.com/test";
        String message = "Test error message";
        Exception cause = new RuntimeException("Root cause");

        DataStoreCrawlingException exception = new DataStoreCrawlingException(url, message, cause);

        assertEquals(url, exception.getUrl());

    }

    /**
     * Gets the next message in the compound chain.
     *
     * @return the next message or null if this is the last message
     */
    protected ServerMessageBlock2 getNext() {
        return this.next;
    }

    /**
     * Sets the next message in the compound chain.
     *
     * @param n the next message
     */
    protected void setNext(final ServerMessageBlock2 n) {

    public void test_constructor_withMessage() {
        // Test constructor with message only
        String message = "Command execution failed";
        CommandExecutionException exception = new CommandExecutionException(message);

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

    @Test
    @DisplayName("Should create RuntimeCIFSException with message")
    void testConstructorWithMessage() {
        // Given
        String message = "CIFS runtime error occurred";

        // When
        RuntimeCIFSException exception = new RuntimeCIFSException(message);

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

          message.startsWith("System property ") -> Type.Setup
          message.startsWith("Reload ") -> Type.Setup
          message == "No session to resume." -> Type.Handshake
          message.startsWith("Consuming ") -> Type.Handshake
          message.startsWith("Produced ") -> Type.Handshake
          message.startsWith("Negotiated ") -> Type.Handshake

            // Then: Should have correct values
            assertEquals(0x3e, message.getOpnum());
            assertEquals("system", message.system_name);
            assertEquals(456, message.unknown);
            assertEquals(123, message.access_mask);
            assertEquals(mockPolicyHandle, message.handle);
        }

        @Test
        @DisplayName("Should encode input with non-null system name")

        messages.add(message);
    }

    @Override
    public String toString() {
        return render("");
    }

    public String render(String indentation) {
        if (messages.isEmpty()) {
            return indentation + "There were no validation errors.";
        }

        StringBuilder message = new StringBuilder();
        for (int i = 0; i < messages.size(); i++) {

            // Create and populate the RPC message
            WitnessHeartbeatMessage message = new WitnessHeartbeatMessage();
            message.setContextHandle(request.getContextHandle());
            message.setSequenceNumber(request.getSequenceNumber());

            // Send the RPC request
            rpcHandle.sendrecv(message);

            // Create response from RPC message results

        // Setup
        final String message = "";
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

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

        // Verify empty message is preserved
        assertNotNull(exception);

        logger.error(message, t);
    }

    @Override
    public boolean isWarnEnabled() {
        return logger.isWarnEnabled();
    }

    @Override
    public void warn(final String message) {
        logger.warn(message);
    }

    @Override
    public void warn(final String message, final Throwable t) {
        logger.warn(message, t);
    }