* @throws IOException if an I/O error occurs during transmission
     */
    protected abstract void doSendFragment(byte[] buf, int off, int length) throws IOException;

    /**
     * Receives a DCERPC fragment from the remote endpoint
     * @param buf the buffer to receive the fragment data
     * @return the number of bytes received
     * @throws IOException if an I/O error occurs during reception
     */

   * With regular request bodies it is not legal to write bytes to the sink passed to
   * [RequestBody.writeTo] after that method returns. For duplex requests bodies that condition is
   * lifted. Such writes occur on an application-provided thread and may occur concurrently with
   * reads of the [ResponseBody]. For duplex request bodies, [writeTo] should return
   * quickly, possibly by handing off the provided request body to another thread to perform
   * writing.

    // If we clip the safe range used during the per-character tests so it is
    // below the values of characters in surrogate pairs, this cannot occur.
    // This approach does mean that we break out of the fast path code in cases
    // where we don't strictly need to, but this situation will almost never
    // occur in practice.
    if (safeMin >= Character.MIN_HIGH_SURROGATE) {

     * delayMillisBeforeProcessing parameter.
     *
     * @throws InterruptedRuntimeException if the thread is interrupted during the delay
     * @throws CrawlerSystemException if an error occurs while processing the URL
     */
    @Override
    protected void delayBeforeProcessing() {
        final UrlQueue<?> urlQueue = CrawlingParameterUtil.getUrlQueue();
        if (urlQueue == null) {
            return;

 *
 * This class is tolerant of some I/O errors. If files are missing from the filesystem, the
 * corresponding entries will be dropped from the cache. If an error occurs while writing a cache
 * value, the edit will fail silently. Callers should handle other problems by catching
 * `IOException` and responding appropriately.
 *

     *
     * @param other the other resource locator to compare with
     * @return whether the paths share a common root
     * @throws CIFSException if an error occurs during comparison
     */
    boolean overlaps(SmbResourceLocator other) throws CIFSException;

    /**
     * Internal: for testing only
     *
     * @param dr the DFS referral data to process

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();

    /**
     * Constructs an LSA policy handle.
     *
     * @param handle the DCERPC handle
     * @param server the server name
     * @param access the access rights
     * @throws IOException if an I/O error occurs
     */
    public LsaPolicyHandle(final DcerpcHandle handle, String server, final int access) throws IOException {
        this.handle = handle;
        if (server == null) {
            server = "\\\\";
        }

     *
     * @param buffer the buffer containing the notification data
     * @param bufferIndex the starting index in the buffer
     * @param len the length of data to decode
     * @throws IOException if an I/O error occurs during decoding
     */
    public FileNotifyInformationImpl(final byte[] buffer, final int bufferIndex, final int len) throws IOException {
        decode(buffer, bufferIndex, len);
    }

    @Override

     * @return An ExtractData object containing the filename as content, or empty string if not found
     * @throws CrawlerSystemException if the input stream is null
     * @throws ExtractException if an unexpected error occurs during extraction
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);
        try {