final IntervalControlHelper intervalControlHelper = ComponentUtil.getIntervalControlHelper();
            intervalControlHelper.checkCrawlerStatus();
            intervalControlHelper.delayByRules();
        } catch (final Exception e) {}

        super.delayForWaitingNewUrl();
    }

  private static final Logger logger = Logger.getLogger(SloppyTearDown.class.getName());

  @Override
  public final void tearDown() {
    try {
      sloppyTearDown();
    } catch (Throwable t) {
      logger.log(Level.INFO, "exception thrown during tearDown: " + t.getMessage(), t);
    }
  }

  public abstract void sloppyTearDown() throws Exception;

        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            return new ExtractData(new String(InputStreamUtil.getBytes(in), getEncoding()));
        } catch (final Exception e) {
            throw new ExtractException(e);
        }
    }

    public String getEncoding() {
        return encoding;
    }

    public void setEncoding(final String encoding) {

    }

    protected String decode(final String host) {
        if (host.indexOf('%') == -1) {
            return host;
        }
        try {
            return URLDecoder.decode(host, encoding);
        } catch (final UnsupportedEncodingException e) {
            return host;
        }
    }

    protected String toAscii(final String host) {
        return IDN.toASCII(decode(host), flag);
    }

            listener.cacheMiss(call)
          }
        }
      }

      if (HttpMethod.invalidatesCache(networkRequest.method)) {
        try {
          cache.remove(networkRequest)
        } catch (_: IOException) {
          // The cache cannot be written.
        }
      }
    }

    return response
  }

  /**

        } catch (IllegalArgumentException e) {
          if (!isNumeric) {
            // Android doesn't recognize %interface as valid
            continue;
          }
          throw e;
        }
        Inet6Address platformValue;
        try {
          platformValue = (Inet6Address) InetAddress.getByName(withScopeId);
        } catch (UnknownHostException e) {

		parity := commonParity(parities, 5)
		var match int
		for _, fi := range metaArr {
			if fi.Erasure.ParityBlocks == parity {
				match++
			}
		}
		if match < len(metaArr)-parity {
			t.Fatalf("Test %d: Expected %d drives with parity=%d, but got %d", idx, len(metaArr)-parity, parity, match)
		}
	}

            - iter_json
            - send_text
            - send_bytes
            - send_json
            - close

When a client disconnects, a `WebSocketDisconnect` exception is raised, you can catch it.

You can import it directly form `fastapi`:

```python
from fastapi import WebSocketDisconnect
```

::: fastapi.WebSocketDisconnect

## WebSockets - additional classes

errors.invalid_kuromoji_token={0} is invalid.
errors.invalid_kuromoji_segmentation=The number of segmentations {0} does not the match number of readings {1}.
errors.invalid_str_is_included="{1}" in "{0}" is invalid.
errors.blank_password=Password is required.
errors.invalid_confirm_password=Confirm Password does not match.
errors.cannot_delete_doc_because_of_running=Crawler is running. The document cannot be deleted.

errors.invalid_kuromoji_token={0} is invalid.
errors.invalid_kuromoji_segmentation=The number of segmentations {0} does not the match number of readings {1}.
errors.invalid_str_is_included="{1}" in "{0}" is invalid.
errors.blank_password=Password is required.
errors.invalid_confirm_password=Confirm Password does not match.
errors.cannot_delete_doc_because_of_running=Crawler is running. The document cannot be deleted.