handler.setLevel(Level.ALL);
        rootLogger.addHandler(handler);
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
        // close runner
        runner.close();
        // delete all files
        runner.clean();
    }

    public void test_executeTx() throws Exception {
        final CrawlerWebServer server = new CrawlerWebServer(7070);

        // TODO transaction?
        urlQueueService.delete(sessionId);
        dataService.delete(sessionId);
        urlFilter.clear();
    }

    @Override
    public void close() {
        clientFactory.close();
    }

    public void addIncludeFilter(final String regexp) {
        if (StringUtil.isNotBlank(regexp)) {
            urlFilter.addInclude(regexp);
        }
    }

    runs-on: ubuntu-latest
    steps:
      - uses: dessant/lock-threads@v3
        with:
          github-token: ${{ github.token }}
          issue-inactive-days: '365'
          exclude-any-issue-labels: 'do-not-close'
          issue-lock-reason: 'resolved'

    private String encoding;

    private Exception contentException;

    private Map<String, List<String>> headers;

    @Override
    public void close() throws IOException {
        if (contentCache != null) {
            contentCache.close();
        }
    }

    public <T> T getContent(final Function<CurlResponse, T> parser) {
        return parser.apply(this);
    }

        while (off < length) {
            off += in.readDirect(buf, off, length - off);
        }
    }
    public void close() throws IOException {
        state = 0;
        if (out != null)
            out.close();
    }

	return d.disk.Hostname()
}

func (d *naughtyDisk) Healing() *healingTracker {
	return d.disk.Healing()
}

func (d *naughtyDisk) Close() (err error) {
	if err = d.calcError(); err != nil {
		return err
	}
	return d.disk.Close()
}

func (d *naughtyDisk) calcError() (err error) {
	d.mu.Lock()
	defer d.mu.Unlock()
	d.callNR++
	if err, ok := d.errors[d.callNR]; ok {
		return err
	}

With that you can connect the WebSocket and then send and receive messages:

<img src="/img/tutorial/websockets/image05.png">

## Handling disconnections and multiple clients

When a WebSocket connection is closed, the `await websocket.receive_text()` will raise a `WebSocketDisconnect` exception, which you can then catch and handle like in this example.

//// tab | Python 3.9+

```Python hl_lines="79-81"

    SerializableTester.reserializeAndAssert(emptyRangeMap);

    ImmutableRangeMap<Integer, Integer> nonEmptyRangeMap =
        new ImmutableRangeMap.Builder<Integer, Integer>()
            .put(Range.closed(2, 4), 5)
            .put(Range.open(6, 7), 3)
            .put(Range.closedOpen(8, 10), 4)
            .put(Range.openClosed(15, 17), 2)
            .build();

			return store.ErrNotConnected
		}
		return err
	}

	// Delete the event from store.
	return target.store.Del(key)
}

// Close - does nothing and available for interface compatibility.
func (target *ElasticsearchTarget) Close() error {
	close(target.quitCh)
	if target.client != nil {
		// Stops the background processes that the client is running.
		target.client.stop()
	}
	return nil
}

If you want to ask how to do something, or to understand why something isn't working the way you expect it to, use Stack Overflow. https://stackoverflow.com/questions/tagged/okhttp