int i1 = lifecyclePhases.indexOf(p1.executionPoint().prefix() + p1.phase());
        int i2 = lifecyclePhases.indexOf(p2.executionPoint().prefix() + p2.phase());
        if (i1 == -1 && i2 == -1) {
            // unknown phases, leave in existing order
            return 0;
        }
        if (i1 == -1) {
            // second one is known, so it comes first
            return 1;
        }
        if (i2 == -1) {

		if !ok {
			return Help{}, config.Errorf("unknown sub-system %s", subSys)
		}
	}

	h, ok := config.HelpSubSysMap[subSys]
	if !ok {
		return Help{}, config.Errorf("unknown sub-system %s", subSys)
	}
	if key != "" {
		value, ok := h.Lookup(key)
		if !ok {
			return Help{}, config.Errorf("unknown key %s for sub-system %s",
				key, subSys)
		}
		h = config.HelpKVS{value}

					DistributionAlgo string     `json:"distributionAlgo"`
				}{
					Version: "2",
				},
			},
			false,
		},
		// Invalid Erasure format "Unknown".
		{
			&formatErasureV3{
				formatMetaV1: formatMetaV1{
					Version: "1",
					Format:  "Unknown",
				},
				Erasure: struct {
					Version          string     `json:"version"`
					This             string     `json:"this"`

		return payload, 0, 0, fmt.Errorf("xlMeta: unknown XLv2 header, expected %v, got %v", xlHeader[:4], buf[:4])
	}

	if bytes.Equal(buf[4:8], []byte("1   ")) {
		// Set as 1,0.
		major, minor = 1, 0
	} else {
		major, minor = binary.LittleEndian.Uint16(buf[4:6]), binary.LittleEndian.Uint16(buf[6:8])
	}
	if major > xlVersionMajor {
		return buf[8:], major, minor, fmt.Errorf("xlMeta: unknown major version %d found", major)
	}

     *
     * @param cause the cause which is saved for later retrieval by the {@link #getCause()} method.
     *              A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.
     * @since 3.8.3
     */
    public MojoFailureException(Throwable cause) {
        super(cause);
    }

        // Given: No addresses returned
        when(nameSvc.getAllByName(eq("unknown.host"), eq(true))).thenReturn(new Address[0]);

        // When/Then: Should throw UnknownHostException
        assertThrows(UnknownHostException.class, () -> pool.getSmbTransport(ctx, "unknown.host", 445, false, false));
    }

    @Test
    @DisplayName("Should throw last IOException when all connections fail")

	if len(nfields) != 2 {
		err = fmt.Errorf("Unknown release information `%s`", releaseInfo)
		return releaseTime, err
	}
	if nfields[0] != "minio" {
		err = fmt.Errorf("Unknown release `%s`", releaseInfo)
		return releaseTime, err
	}

	releaseTime, err = releaseTagToReleaseTime(nfields[1])
	if err != nil {
		err = fmt.Errorf("Unknown release tag format. %w", err)
	}
	return releaseTime, err
}

        final String upper = typeStr.toUpperCase(Locale.ROOT);
        try {
            return StorageType.valueOf(upper);
        } catch (final IllegalArgumentException e) {
            logger.warn("Unknown storage type: {}, defaulting to S3_COMPAT", typeStr);
            return StorageType.S3_COMPAT;
        }
    }

          visitClass((Class<?>) type);
        } else if (type instanceof GenericArrayType) {
          visitGenericArrayType((GenericArrayType) type);
        } else {
          throw new AssertionError("Unknown type: " + type);
        }
        succeeded = true;
      } finally {
        if (!succeeded) { // When the visitation failed, we don't want to ignore the second.
          visited.remove(type);
        }
      }

            }
            log.warn("DiSNI RDMA provider requested but not available");
            break;

        case "tcp":
            return new TcpRdmaProvider();

        default:
            log.warn("Unknown RDMA provider preference: {}", preference);
            break;
        }

        return null;
    }

    /**
     * Get RDMA provider based on configuration
     *