if (streamId == 0) throw IOException("TYPE_RST_STREAM streamId == 0")
    val errorCodeInt = source.readInt()
    val errorCode =
      ErrorCode.fromHttp2(errorCodeInt) ?: throw IOException(
        "TYPE_RST_STREAM unexpected error code: $errorCodeInt",
      )
    handler.rstStream(streamId, errorCode)
  }

  @Throws(IOException::class)
  private fun readSettings(
    handler: Handler,
    length: Int,

    connection.newStream(headerEntries("b", "banana"), false)

    // Verify the peer received what was expected.
    assertThat(peer.takeFrame().type).isEqualTo(Http2.TYPE_HEADERS)
    assertThat(peer.takeFrame().errorCode).isEqualTo(ErrorCode.PROTOCOL_ERROR)
  }

  @Test fun pushPromiseStreamsAutomaticallyCancel() {
    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK

        System.out.println(message);
        assertContains(message, "ErrorCode=7650");
        assertContains(message, "SQLState=fooState");
        assertContains(message, "some reason");
        assertContains(message, "ErrorCode=7660");
        assertContains(message, "SQLState=barState");
        assertContains(message, "hoge reason");
        assertContains(message, "ErrorCode=7670");
        assertContains(message, "SQLState=bazState");

    frame.writeInt(ErrorCode.PROTOCOL_ERROR.httpCode)
    reader.nextFrame(
      requireSettings = false,
      object : BaseTestHandler() {
        override fun rstStream(
          streamId: Int,
          errorCode: ErrorCode,
        ) {
          assertThat(streamId).isEqualTo(expectedStreamId)
          assertThat(errorCode).isEqualTo(ErrorCode.PROTOCOL_ERROR)
        }
      },
    )

    mockWebServer: MockWebServer,
  ) {
    setUp(protocol, mockWebServer)
    noRecoveryFromErrorWithRetryDisabled(ErrorCode.CANCEL)
  }

  private fun noRecoveryFromErrorWithRetryDisabled(errorCode: ErrorCode?) {
    server.enqueue(
      MockResponse(socketPolicy = ResetStreamAtStart(errorCode!!.httpCode)),
    )
    server.enqueue(MockResponse(body = "abc"))
    client =
      client.newBuilder()

        }

        final String errorCode = UUID.randomUUID().toString();
        if (logger.isDebugEnabled()) {
            logger.debug("[{}] {}", errorCode, stacktraceString.get().replace("\n", "\\n"));
        } else {
            logger.warn("[{}] {}", errorCode, cause.getMessage());
        }
        return "error_code:" + errorCode;
    }

   * underlying input and output streams and shuts down internal task queues.
   */
  override fun close() {
    close(ErrorCode.NO_ERROR, ErrorCode.CANCEL, null)
  }

  internal fun close(
    connectionCode: ErrorCode,
    streamCode: ErrorCode,
    cause: IOException?,
  ) {
    this.assertThreadDoesntHoldLock()

    ignoreIoExceptions {
      shutdown(connectionCode)
    }

      this.data = source.readByteString(length.toLong()).toByteArray()
    }

    override fun rstStream(
      streamId: Int,
      errorCode: ErrorCode,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_RST_STREAM
      this.streamId = streamId
      this.errorCode = errorCode
    }

    override fun ping(
      ack: Boolean,
      payload1: Int,
      payload2: Int,
    ) {

  fun rstStream(
    streamId: Int,
    errorCode: ErrorCode,
  ) {
    this.withLock {
      if (closed) throw IOException("closed")
      require(errorCode.httpCode != -1)

      frameHeader(
        streamId = streamId,
        length = 4,
        type = TYPE_RST_STREAM,
        flags = FLAG_NONE,
      )
      sink.writeInt(errorCode.httpCode)
      sink.flush()
    }
  }

    streamId: Int,
    source: BufferedSource,
    byteCount: Int,
    last: Boolean,
  ): Boolean

  /** Indicates the reason why this stream was canceled. */
  fun onReset(
    streamId: Int,
    errorCode: ErrorCode,
  )

  companion object {
    @JvmField val CANCEL: PushObserver = PushObserverCancel()

    private class PushObserverCancel : PushObserver {
      override fun onRequest(
        streamId: Int,