} catch (Exception recoveryError) {
                log.warn("RDMA recovery attempt {} failed: {}", retryCount, recoveryError.getMessage());

                // If this was the last attempt, log the full error
                if (retryCount >= maxRetries) {
                    log.error("All RDMA recovery attempts failed", recoveryError);
                }
            }
        }

   * proxy server can issue an auth challenge and then close the connection.
   *
   * @return the next plan to attempt, or null if no further attempt should be made either because
   *     we've successfully connected or because no further attempts should be made.
   */
  @Throws(IOException::class)
  internal fun connectTunnel(): ConnectResult {
    val nextTunnelRequest =
      createTunnel()

    }

    /**
     * Create rate limiter with custom settings
     *
     * @param maxAttemptsPerAccount max failed attempts per account before lockout
     * @param maxAttemptsPerIp max attempts from single IP
     * @param maxGlobalAttemptsPerMinute max global attempts per minute
     * @param lockoutDuration duration to lock out account/IP
     * @param cleanupInterval interval for cleaning up old entries
     */

        logError();
    }

    /**
     * Create exception for retry attempt
     *
     * @param original the original exception
     * @param attemptNumber the current attempt number
     * @return new exception with updated attempt information
     */
    public static SmbOperationException forRetry(SmbOperationException original, int attemptNumber) {

                // Wait before retry (except first attempt)
                if (attempt > 0) {
                    Thread.sleep(retryDelay * attempt);
                }
                
                // Create reconnect context
                DurableHandleReconnect reconnectCtx = 
                    new DurableHandleReconnect(info.fileId);
                
                // Attempt to reopen with reconnect context

        String ip = "192.168.1.3";

        // Make attempts from same IP with different users
        for (int i = 1; i <= 5; i++) {
            assertTrue(rateLimiter.checkAttempt("user" + i, ip), "Attempt " + i + " should be allowed");
            rateLimiter.recordFailure("user" + i, ip);
        }

        // 6th attempt from same IP should be blocked

    val reuseCallConnection = planReuseCallConnection()
    if (reuseCallConnection != null) return reuseCallConnection

    // Attempt to get a connection from the pool.
    val pooled1 = planReusePooledConnection()
    if (pooled1 != null) return pooled1

    // Attempt a deferred plan before new routes.
    if (deferredPlans.isNotEmpty()) return deferredPlans.removeFirst()

// and are in quorum, if no formats are found attempt to initialize all of them for the first
// time. additionally make sure to close all the disks used in this attempt.
func connectLoadInitFormats(verboseLogging bool, firstDisk bool, storageDisks []StorageAPI, endpoints Endpoints, poolCount, setCount, setDriveCount int, deploymentID string) (format *formatErasureV3, err error) {
	// Attempt to load all `format.json` from all disks.

    )

    val call = client.newCall(Request(url))
    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("hello from IPv6")

    // In the process we made one successful connection attempt.
    assertThat(listener.recordedEventTypes().filter { it == "ConnectStart" }).hasSize(1)
    assertThat(listener.recordedEventTypes().filter { it == "ConnectFailed" }).hasSize(0)
  }

  @Test

          throw IOException("Canceled")
        }

        try {
          response = realChain.proceed(request)
          newRoutePlanner = true
        } catch (e: IOException) {
          // An attempt to communicate with a server failed. The request may have been sent.
          val isRecoverable = recover(e, call, request)
          call.eventListener.retryDecision(call, e, isRecoverable)