LdapConfigurationException exception2 = new LdapConfigurationException("Error 2");
        LdapConfigurationException exception3 = new LdapConfigurationException("Error 3");

        assertEquals("Error 1", exception1.getMessage());
        assertEquals("Error 2", exception2.getMessage());
        assertEquals("Error 3", exception3.getMessage());

        String message = "Script execution failed";
        Exception cause = new RuntimeException("Underlying error");
        ScriptEngineException exception = new ScriptEngineException(message, cause);

        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Underlying error", exception.getCause().getMessage());
    }

    @Test

 * This exception indicates that an external command or process execution encountered an error.
 */
public class CommandExecutionException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructor with error message.
     * @param message The error message describing the command execution failure.
     */
    public CommandExecutionException(final String message) {

     */
    public Integer order;

    // for error page

    /**
     * Query string parameter for error page fallback.
     * Contains the original search query if redirection fails.
     */
    public String q;

    /**
     * Number of results parameter for error page fallback.
     * Specifies how many results to display if redirection fails.
     */

        SuggestCreator.Options options = new SuggestCreator.Options();
        assertNotNull(options);
    }

    // Test create with error
    @Test
    public void test_create_withError() {
        // Test error handling during creation
        SuggestCreator.Options options = new SuggestCreator.Options();
        assertNotNull(options);
    }

                throw new RuntimeException("IO error occurred during delete operation");
            }
        };
        ComponentUtil.register(searchEngineClient, "searchEngineClient");

        // Execute the job
        String result = purgeDocJob.execute();

        // Assert error message is in the result
        assertTrue(result.contains("IO error occurred during delete operation"));
    }

    @Test

    /** 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
     */

        String message = "Storage error: \n\t\r\"'<>&";
        StorageException exception = new StorageException(message);

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

    @Test
    public void test_differentCauseTypes() {
        // Test with different types of causes
        StorageException exception1 = new StorageException("IO Error", new java.io.IOException("File not found"));

    /**
     * The search query string for error page display.
     */
    public String q;

    /**
     * The number of search results per page for error page display.
     */
    public String num;

    /**
     * The sort criteria for search results for error page display.
     */
    public String sort;

    /**
     * The language setting for error page display.
     */
    public String lang;

    }

    /**
     * Creates a synonym item from the provided form data with validation.
     *
     * @param form the create form containing synonym data
     * @param hook the validation error hook for handling errors
     * @return OptionalEntity containing the created synonym item or empty if creation failed
     */
    protected OptionalEntity<SynonymItem> createSynonymItem(final CreateForm form, final VaErrorHook hook) {