* Sets up encoding mappings and default encoding from filter configuration.
     *
     * @param config the filter configuration containing initialization parameters
     * @throws ServletException if an error occurs during initialization
     */
    @Override
    public void init(final FilterConfig config) throws ServletException {
        servletContext = config.getServletContext();

import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;

/**
 * Action class for handling general error pages.
 * This action displays error pages when unhandled exceptions occur
 * during search operations or page navigation.
 */
public class ErrorAction extends FessSearchAction {

    /**
     * Default constructor for ErrorAction.
     */
    public ErrorAction() {
        super();
    }

 * Form class for editing stopwords dictionary entries in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing stopwords entries.
 * Stopwords are common words that are typically ignored during text indexing and search operations.
 *
 */
public class EditForm extends CreateForm {

    /**
     * Creates a new EditForm instance.
     */
    public EditForm() {
        super();
    }

                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

import jakarta.validation.constraints.Size;

/**
 * Form class for editing failure URL records in the admin interface.
 * This form handles the editing of URLs that failed during crawling operations,
 * providing details about the failure for debugging and troubleshooting purposes.
 */
public class EditForm {

    /**
     * Creates a new EditForm instance.
     */
    public EditForm() {

    /**
     * Performs a chat completion request.
     *
     * @param request the chat request containing messages and parameters
     * @return the chat response from the LLM
     * @throws LlmException if an error occurs during the request
     */
    LlmChatResponse chat(LlmChatRequest request);

    /**
     * Performs a streaming chat completion request.
     * The callback is invoked for each chunk of the response.
     *

      "Contributor" shall mean Licensor and any individual or Legal Entity
      on behalf of whom a Contribution has been received by Licensor and
      subsequently incorporated within the Work.

   2. Grant of Copyright License. Subject to the terms and conditions of
      this License, each Contributor hereby grants to You a perpetual,
      worldwide, non-exclusive, no-charge, royalty-free, irrevocable

     *
     * @param chunk the text chunk from the LLM response
     * @param done true if this is the final chunk
     */
    void onChunk(String chunk, boolean done);

    /**
     * Called when an error occurs during streaming.
     *
     * @param error the error that occurred
     */
    default void onError(final Throwable error) {
        // Default implementation does nothing
    }

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when a user is not found in the Fess system.
 * This exception is typically thrown during authentication or user lookup operations
 * when the specified user does not exist in the system.
 */
public class FessUserNotFoundException extends FessSystemException {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when theme-related operations fail.
 * This exception is used for errors during theme installation, uninstallation, or configuration.
 */
public class ThemeException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**