verify(mockRpc).register(any(WitnessRegisterRequest.class));

        client.close();
    }

    @Test
    void testFailedRegistration() throws Exception {
        // Setup mock RPC response for failure
        WitnessRegisterResponse mockResponse = mock(WitnessRegisterResponse.class);
        when(mockResponse.isSuccess()).thenReturn(false);
        when(mockResponse.getError()).thenReturn("Registration failed");

    Validator(GetCheckedTypeValidator validator) {
      this.validator = validator;
    }
  }

  private enum Result {
    SUCCESS(immediateFuture(new Object())),
    FAILURE(immediateFailedFuture(new Exception()));

    final Future<Object> future;

    Result(Future<Object> result) {
      this.future = result;
    }
  }

  private enum ExceptionType {

                    try {
                        keys = new KerberosCredentials().getKeys();
                    } catch (LoginException e) {
                        throw new PACDecodingException("Login failure", e);
                    }
                }

                Map<Integer, KerberosKey> keysByAlgo = new HashMap<>();
                for (KerberosKey key : keys) {

 *     .build();
 * client.newCall(request).execute();
 * ```
 *
 * As expected, this fails with a certificate pinning exception:
 *
 * ```java
 * javax.net.ssl.SSLPeerUnverifiedException: Certificate pinning failure!
 * Peer certificate chain:
 *     sha256/afwiKY3RxoMmLkuRW1l7QsPZTJPwDS2pdDROQjXw8ig=: CN=publicobject.com, OU=PositiveSSL
 *     sha256/klO23nT2ehFDXCfx3eHTDRESMz3asj1muO+4aIdjiuY=: CN=COMODO RSA Secure Server CA

            logger
                .get()
                .log(
                    Level.WARNING,
                    "Error while attempting to shut down the service after failure.",
                    ignored);
          }
          notifyFailed(t);
          // requireNonNull is safe now, just as it was above.
          requireNonNull(runningTask).cancel(false); // prevent future invocations.

    delegate.addRelatedGroup(group);
    items.addAll(ImmutableList.copyOf(group));
    return this;
  }

  /** Run tests on equivalence methods, throwing a failure on an invalid test */
  @CanIgnoreReturnValue
  public EquivalenceTester<T> test() {
    for (int run = 0; run < REPETITIONS; run++) {
      testItems();
      delegate.test();
    }
    return this;
  }

ECL0015=argument[{0}] which is null the index of array exceed the size of array[{1}].
ECL0016=key[{0}] is not included in this BeanMap : {1}.
ECL0017=Exception occurred, because {0}
ECL0041={0}''s creation failure, because {1}
ECL0040=IOException occurred, because {0}
ECL0042=An illegal access was generated by {0}, because {1}
ECL0043=The target which {0} invoked is illegal, because {1}
ECL0044=Class not found, details are {0}

            }
        }
        return urlSet;
    }

    /**
     * Processes the response data from a crawled URL, including failure handling.
     * This method extends the base response processing to handle Fess-specific failure
     * URL tracking when certain HTTP status codes are encountered.
     *
     * @param urlQueue the URL queue item that was processed

		t.Fatal(err)
	}

	_, owner, s3Err := checkKeyValid(req, globalActiveCred.AccessKey)
	if s3Err != ErrNone {
		t.Fatalf("Unexpected failure with %v", errorCodes.ToAPIErr(s3Err))
	}

	if !owner {
		t.Fatalf("Expected owner to be 'true', found %t", owner)
	}

	_, _, s3Err = checkKeyValid(req, "does-not-exist")
	if s3Err != ErrInvalidAccessKeyID {

		rv=$(check_online)
		if [ "$rv" != "1" ]; then
			# success
			break
		fi

		# Check if we should retry
		retry=$((retry + 1))
		if [ $retry -le 20 ]; then
			sleep 5
			continue
		fi

		# Failure
		fail
	done

	if ! ps -p $pid1 1>&2 >/dev/null; then
		echo "minio-server-1 is not running." && fail
	fi

	if ! ps -p $pid2 1>&2 >/dev/null; then
		echo "minio-server-2 is not running." && fail
	fi