throw new IOException("Failed to establish session with " + this.address);
    }

    private SmbNegotiation negotiate(int prt) throws IOException {
        /*
         * We cannot use Transport.sendrecv() yet because
         * the Transport thread is not setup until doConnect()
         * returns and we want to suppress all communication
         * until we have properly negotiated.
         */

   *
   * <p>Entries in the map can be in the following states:
   *
   * <p>Valid: - Live: valid key/value are set
   *
   * <p>Invalid: - Collected: key/value was partially collected, but not yet cleaned up
   */
  interface InternalEntry<K, V, E extends InternalEntry<K, V, E>> {
    /** Gets the next entry in the chain. */
    E getNext();

    /** Gets the entry's hash. */
    int getHash();

 *  **TLSv1 and TLSv1.1 are no longer enabled by default.** Major web browsers are working towards
    removing these versions altogether in early 2020. If your servers aren't ready yet you can
    configure OkHttp 3.13 to allow TLSv1 and TLSv1.1 connections:

    ```
    OkHttpClient client = new OkHttpClient.Builder()
        .connectionSpecs(Arrays.asList(ConnectionSpec.COMPATIBLE_TLS))

   *   ClassLoader that is sometimes used as a system classloader. That's a problem because
   *   method-reference linking tries to look up the system classloader, and it fails because there
   *   isn't one yet.
   *
   * - lambda: Outside Google, we got a report of a similar problem in
   *   https://github.com/google/guava/issues/6565
   */
  @SuppressWarnings("AnonymousToLambda")

                        }
                        this.sessionKey = signingKey;
                    } else {
                        log.trace("Not yet initializing signing");
                    }

                    response = new SmbComSessionSetupAndXResponse(getContext().getConfig(), null);
                    response.setExtendedSecurity(true);

      if (super.cancel(interruptIfRunning)) {
        /*
         * requireNonNull is generally safe: If cancel succeeded, then this Future was still
         * pending, so its `state` field hasn't been nulled out yet.
         *
         * OK, it's technically possible for this to fail in the presence of unsafe publishing, as
         * discussed in the comments in TimeoutFuture. TODO(cpovirk): Maybe check for null before

                return;
            } catch (Exception e) {
                lastException = e;
                if (attempt % 10 == 0 || attempt < 5) {
                    log.debug("Server not ready yet (attempt {}): {}", attempt + 1, e.getMessage());
                }
                // Use exponential backoff for more efficient waiting
                if (attempt < 10) {

     * into any other.
     */
    SUBSUMED,

    /**
     * Some {@link ListenableFuture} has a callback attached that will close the {@link
     * CloseableList}, but it has not yet run. The {@link CloseableList} may not be subsumed.
     */
    WILL_CLOSE,

    /**
     * The callback that closes the {@link CloseableList} is running, but it has not completed. The

    // Note that although we have two routes available, we only use one. The retry is permitted
    // because there are routes available, but it chooses the existing connection since it isn't
    // yet considered unhealthy.
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(1)
  }

  @Test
  fun noRecoveryWhenRoutesExhausted() {
    client =
      client
        .newBuilder()

   *   ClassLoader that is sometimes used as a system classloader. That's a problem because
   *   method-reference linking tries to look up the system classloader, and it fails because there
   *   isn't one yet.
   *
   * - lambda: Outside Google, we got a report of a similar problem in
   *   https://github.com/google/guava/issues/6565
   */
  @SuppressWarnings("AnonymousToLambda")