validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;
        final RelatedQuery relatedQuery = getRelatedQuery(body).map(entity -> {
            try {
                relatedQueryService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);

    Logger logger = Logger.getLogger(ListenerCallQueue.class.getName());
    logger.setLevel(Level.SEVERE);
    TestLogHandler logHandler = new TestLogHandler();
    logger.addHandler(logHandler);
    try {
      queue.dispatch();
    } finally {
      logger.removeHandler(logHandler);
    }

    assertEquals(1, logHandler.getStoredLogRecords().size());
    assertEquals(

    Logger logger = Logger.getLogger(ListenerCallQueue.class.getName());
    logger.setLevel(Level.SEVERE);
    TestLogHandler logHandler = new TestLogHandler();
    logger.addHandler(logHandler);
    try {
      queue.dispatch();
    } finally {
      logger.removeHandler(logHandler);
    }

    assertEquals(1, logHandler.getStoredLogRecords().size());
    assertEquals(

     * @see FileOutputStream#FileOutputStream(File)
     */
    public static FileOutputStream create(final File file) {
        assertArgumentNotNull("file", file);

        try {
            return new FileOutputStream(file);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Flushes the {@link OutputStream}.
     *

     * @see FileInputStream#FileInputStream(File)
     */
    public static FileInputStream create(final File file) {
        assertArgumentNotNull("file", file);

        try {
            return new FileInputStream(file);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Gets a byte array from an {@link InputStream}.

     * @return {@link ZipEntry}
     * @see ZipInputStream#getNextEntry()
     */
    public static ZipEntry getNextEntry(final ZipInputStream zis) {
        assertArgumentNotNull("zis", zis);

        try {
            return zis.getNextEntry();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**

     *             If a {@link NoSuchAlgorithmException} occurs
     */
    public static MessageDigest getInstance(final String algorithm) {
        assertArgumentNotEmpty("algorithm", algorithm);

        try {
            return MessageDigest.getInstance(algorithm);
        } catch (final NoSuchAlgorithmException e) {
            throw new NoSuchAlgorithmRuntimeException(e);
        }
    }

    /**

      try {
        logger
            .get()
            .log(
                SEVERE,
                String.format(Locale.ROOT, "Caught an exception in %s.  Shutting down.", t),
                e);
      } catch (Throwable errorInLogging) { // sneaky checked exception
        // If logging fails, e.g. due to missing memory, at least try to log the

        logger.info(content);
        assertTrue(content.contains("テスト"));
        assertTrue(content.contains("テキスト"));
    }

    public void test_getText_maxSize() throws IOException {
        try (final InputStream in = ResourceUtil.getResourceAsStream("extractor/lha/test.lzh")) {
            lhaExtractor.setMaxContentSize(100);
            lhaExtractor.getText(in, null);
            fail();

In your WebSocket route you can `await` for messages and send messages.

{* ../../docs_src/websockets/tutorial001.py hl[48:52] *}

You can receive and send binary, text, and JSON data.

## Try it { #try-it }

If your file is named `main.py`, run your application with:

<div class="termy">

```console
$ fastapi dev main.py