historyFile := pathJoin(minioConfigHistoryPrefix, uuidKV+kvPrefix)
	data, err := readConfig(ctx, objAPI, historyFile)
	if err != nil {
		return nil, err
	}

	return decryptData(data, historyFile)
}

func saveServerConfigHistory(ctx context.Context, objAPI ObjectLayer, kv []byte) error {
	uuidKV := mustGetUUID() + kvPrefix

   * writer each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned writer is closed.
   *
   * @throws IOException if an I/O error occurs while opening the writer
   */
  public abstract Writer openStream() throws IOException;

  /**
   * Opens a new buffered {@link Writer} for writing to this sink. The returned stream is not

		t.Fatalf("should raise error when create users without languages reference")
	}

	if err := DB.Create(&user.Languages).Error; err != nil {
		t.Fatalf("no error should happen when create languages, but got %v", err)
	}

	if err := DB.Omit("Languages.*").Create(&user).Error; err != nil {
		t.Fatalf("no error should happen when create user when languages exists, but got %v", err)
	}

        Exception cause = new RuntimeException("Image processing error");
        ThumbnailGenerationException exception = new ThumbnailGenerationException(message, cause);

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

    public void test_constructorWithNullMessage() {

        return LaRequestUtil.getOptionalRequest().map(req -> (T) req.getAttribute(name)).orElse(null);
    }

    /**
     * Sets an error in the current request with the specified status code and message.
     *
     * @param statusCode The HTTP status code
     * @param message The error message
     */
    public static void setError(final int statusCode, final String message) {

        // Test error paths
        assertEquals("/error/badRequest.jsp", FessHtmlPath.path_Error_BadRequestJsp.getRoutingPath());
        assertEquals("/error/error.jsp", FessHtmlPath.path_Error_ErrorJsp.getRoutingPath());
        assertEquals("/error/notFound.jsp", FessHtmlPath.path_Error_NotFoundJsp.getRoutingPath());
        assertEquals("/error/redirect.jsp", FessHtmlPath.path_Error_RedirectJsp.getRoutingPath());

        // Execute
        String result = purgeLogJob.execute();

        // Assert all error messages in result
        assertTrue(result.contains("Crawling error"));
        assertTrue(result.contains("Search error"));
        assertTrue(result.contains("Job error"));
        assertTrue(result.contains("Status error"));
    }

    // Test mixed success and skip
    public void test_execute_mixedSuccessAndSkip() {

        Throwable cause = new RuntimeException("Runtime error");
        CommandExecutionException exception = new CommandExecutionException(null, cause);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Runtime error", exception.getCause().getMessage());
    }

func (p *processor) Register(name string, fn func(*DB)) error {
	return (&callback{processor: p}).Register(name, fn)
}

func (p *processor) Remove(name string) error {
	return (&callback{processor: p}).Remove(name)
}

func (p *processor) Replace(name string, fn func(*DB)) error {
	return (&callback{processor: p}).Replace(name, fn)
}

func (p *processor) compile() (err error) {
	var callbacks []*callback

     */
    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.
     */