}
    }

    @Test
    public void testFileBasedCacheWithEmptyFile() throws IOException {
        tempFile = File.createTempFile("empty", ".tmp", Curl.tmpDir);
        // File is created but empty

        ContentCache cache = new ContentCache(tempFile);

        try (InputStream stream = cache.getInputStream()) {
            assertNotNull(stream);

        LogStream.setInstance(stream1);
        LogStream instance1 = LogStream.getInstance();

        LogStream.setInstance(stream2);
        LogStream instance2 = LogStream.getInstance();

        // Each setInstance should create a new LogStream
        assertNotNull(instance1);
        assertNotNull(instance2);

      return javaNetSocket.isHealthy(socket.source)
    }

    return true
  }

  /** Refuse incoming streams. */
  @Throws(IOException::class)
  override fun onStream(stream: Http2Stream) {
    stream.close(ErrorCode.REFUSED_STREAM, null)
  }

  /** When settings are received, adjust the allocation limit. */
  override fun onSettings(

			for req := range reqT {
				b, err := req.MarshalMsg(GetByteBufferCap(req.Msgsize()))
				if err != nil {
					gridLogOnceIf(ctx, err, err.Error())
				}
				h.PutRequest(req)
				stream.Requests <- b
			}
		}()
	} else if stream.Requests != nil {
		xioutil.SafeClose(stream.Requests)
	}

	return &TypedStream[Req, Resp]{responses: stream, newResp: h.NewResponse, Requests: reqT}, nil

}

// NewStream creates a new stream.
// Initial payload can be reused by the caller.
func (c *Connection) NewStream(ctx context.Context, h HandlerID, payload []byte) (st *Stream, err error) {
	if !h.valid() {
		return nil, ErrUnknownHandler
	}
	if c.State() != StateConnected {
		return nil, ErrDisconnected
	}
	handler := c.handlers.streams[h]
	if handler == nil {
		return nil, ErrUnknownHandler

Dies wäre bei großen oder unendlichen Streams noch wichtiger.

///

/// tip | Tipp

Anstatt eine `StreamingResponse` direkt zurückzugeben, sollten Sie wahrscheinlich dem Stil in [Daten streamen](./stream-data.md) folgen. Das ist wesentlich bequemer und behandelt den Abbruch im Hintergrund für Sie.

Wenn Sie JSON Lines streamen, folgen Sie dem Tutorial [JSON Lines streamen](../tutorial/stream-json-lines.md).

///

            logger.debug("Backup download requested: id={}", id);
        }

        if (stream(fessConfig.getIndexBackupAllTargets()).get(stream -> stream.anyMatch(s -> s.equals(id)))) {
            if ("system.properties".equals(id)) {
                return asStream(id).contentTypeOctetStream().stream(out -> {
                    try (final ByteArrayOutputStream baos = new ByteArrayOutputStream()) {

     *
     * @param id the backup file ID to download
     * @return stream response containing the backup file data
     */
    // GET /api/admin/backup/file/{id}
    @Execute
    public StreamResponse get$file(final String id) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (stream(fessConfig.getIndexBackupAllTargets()).get(stream -> stream.anyMatch(s -> s.equals(id)))) {

  }

  /**
   * Concatenates multiple {@link ByteSource} instances into a single source. Streams returned from
   * the source will contain the concatenated data from the streams of the underlying sources.
   *
   * <p>Only one underlying stream will be open at a time. Closing the concatenated stream will
   * close the open underlying stream.
   *
   * @param sources the sources to concatenate

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