* readers.
   */
  inner class FramingSource internal constructor(
    /** Maximum number of bytes to buffer before reporting a flow control error. */
    private val maxByteCount: Long,
    /**
     * True if either side has cleanly shut down this stream. We will receive no more bytes beyond
     * those already in the buffer.
     */

```

被替换为了以下文本格式的错误信息：

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)

```

### `RequestValidationError` vs `ValidationError`

/// warning | 警告

如果您觉得现在还用不到以下技术细节，可以先跳过下面的内容。

///

            
            // Start async change notification
            startAsyncNotification(handle);
            
        } catch (Exception e) {
            log.error("Failed to start directory watching for: " + directoryPath, e);
        }
    }
    
    public void stopWatching(String directoryPath) {
        ChangeNotificationHandle handle = activeWatchers.remove(directoryPath);

  }

  /**
   * Invoked immediately after sending request headers.
   *
   * This method is always invoked after [requestHeadersStart].
   *
   * @param request the request sent over the network. It is an error to access the body of this
   *     request.
   */
  open fun requestHeadersEnd(
    call: Call,
    request: Request,
  ) {
  }

  /**

     * @param params extraction parameters
     * @return the extracted text data
     * @throws CrawlerSystemException if the input stream is null
     * @throws ExtractException if an error occurs during extraction
     * @throws MaxLengthExceededException if the extracted content size exceeds the maximum limit
     */
    @Override

        IOException ioEx = new IOException("Unable to establish loopback connection", connEx);
        MojoExecutionException mojoEx =
                new MojoExecutionException("Error executing Jetty: Unable to establish loopback connection", ioEx);

        ExceptionHandler exceptionHandler = new DefaultExceptionHandler();
        ExceptionSummary exceptionSummary = exceptionHandler.handleException(mojoEx);

    fi
    if [ ! -x "$JAVACMD" ] ; then
        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME

Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
    fi
else
    JAVACMD=java
    if ! command -v java >/dev/null 2>&1
    then
        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

        // Execute and verify RuntimeException is thrown
        try {
            processor.process(responseData);
            fail("Should throw RuntimeException");
        } catch (RuntimeException e) {
            // Expected exception
            assertEquals("Parse error", e.getMessage());
        }
    }

                log.debug("Closing witness RPC client");
                rpcHandle.close();
                connected = false;
                rpcHandle = null;
            } catch (Exception e) {
                log.error("Error closing witness RPC client", e);
            }
        }
    }

     * may be necessary that an addition thread be used to read and
     * write to a Named Pipe.
     * @return the input stream for reading from this pipe
     * @throws IOException if an I/O error occurs
     */

    public InputStream getNamedPipeInputStream() throws IOException {
        if (pipeIn == null) {