1.FoundationError
NS_ENUM(NSInteger) {/* File system and file I/O related errors,
with NSFilePathErrorKey or NSURLErrorKey containing path or URL*/
NSFileNoSuchFileError = 4,
// Attempt to do a file system operation on a non-existent file
NSFileLockingError = 255,
// Couldn't get a lock on file
NSFileReadUnknownError = 256,
// Read error (reason unknown)
NSFileReadNoPermissionError = 257,
// Read error (permission problem)
NSFileReadInvalidFileNameError = 258,
// Read error (invalid file name)
NSFileReadCorruptFileError = 259,
// Read error (file corrupt, bad format, etc)
NSFileReadNoSuchFileError = 260,
// Read error (no such file)
NSFileReadInapplicableStringEncodingError = 261,
// Read error (string encoding not applicable) also NSStringEncodingErrorKey
NSFileReadUnsupportedSchemeError = 262,
// Read error (unsupported URL scheme)
NSFileReadTooLargeError NS_ENUM_AVAILABLE(10_5, 2_0) = 263,
// Read error (file too large)
NSFileReadUnknownStringEncodingError NS_ENUM_AVAILABLE(10_5, 2_0) = 264,
// Read error (string encoding of file contents could not be determined)
NSFileWriteUnknownError = 512,
// Write error (reason unknown)
NSFileWriteNoPermissionError = 513,
// Write error (permission problem)
NSFileWriteInvalidFileNameError = 514,
// Write error (invalid file name)
NSFileWriteFileExistsError NS_ENUM_AVAILABLE(10_7, 5_0) = 516,
// Write error (file exists)
NSFileWriteInapplicableStringEncodingError = 517,
// Write error (string encoding not applicable) also NSStringEncodingErrorKey
NSFileWriteUnsupportedSchemeError = 518,
// Write error (unsupported URL scheme)
NSFileWriteOutOfSpaceError = 640,
// Write error (out of disk space)
NSFileWriteVolumeReadOnlyError NS_ENUM_AVAILABLE(10_6, 4_0) = 642,
// Write error (readonly volume)
// NSFileManager unmount errors
NSFileManagerUnmountUnknownError NS_ENUM_AVAILABLE(10_11, NA) = 768,
// The volume could not be unmounted (reason unknown)
NSFileManagerUnmountBusyError NS_ENUM_AVAILABLE(10_11, NA) = 769,
// The volume could not be unmounted because it is in use
// Other errors
NSKeyValueValidationError = 1024,
// KVC validation error
NSFormattingError = 2048,
// Formatting error
NSUserCancelledError = 3072,
// User cancelled operation (this one often doesn't deserve a panel and might be a good one to special case)
NSFeatureUnsupportedError NS_ENUM_AVAILABLE(10_8, 6_0) = 3328,
// Feature unsupported error
// Executable loading errors
NSExecutableNotLoadableError NS_ENUM_AVAILABLE(10_5, 2_0) = 3584,
// Executable is of a type that is not loadable in the current process
NSExecutableArchitectureMismatchError NS_ENUM_AVAILABLE(10_5, 2_0) = 3585,
// Executable does not provide an architecture compatible with the current process
NSExecutableRuntimeMismatchError NS_ENUM_AVAILABLE(10_5, 2_0) = 3586,
// Executable has Objective C runtime information incompatible with the current process
NSExecutableLoadError NS_ENUM_AVAILABLE(10_5, 2_0) = 3587,
// Executable cannot be loaded for some other reason, such as a problem with a library it depends on
NSExecutableLinkError NS_ENUM_AVAILABLE(10_5, 2_0) = 3588,
// Executable fails due to linking issues
// Inclusive error range definitions, for checking future error codes
NSFileErrorMinimum = 0,
NSFileErrorMaximum = 1023,
NSValidationErrorMinimum = 1024,
NSValidationErrorMaximum = 2047,
NSExecutableErrorMinimum NS_ENUM_AVAILABLE(10_5, 2_0) = 3584,
NSExecutableErrorMaximum NS_ENUM_AVAILABLE(10_5, 2_0) = 3839,
NSFormattingErrorMinimum = 2048,
NSFormattingErrorMaximum = 2559,
NSPropertyListReadCorruptError NS_ENUM_AVAILABLE(10_6, 4_0) = 3840,
// Error parsing a property list
NSPropertyListReadUnknownVersionError NS_ENUM_AVAILABLE(10_6, 4_0) = 3841,
// The version number in the property list is unknown
NSPropertyListReadStreamError NS_ENUM_AVAILABLE(10_6, 4_0) = 3842,
// Stream error reading a property list
NSPropertyListWriteStreamError NS_ENUM_AVAILABLE(10_6, 4_0) = 3851,
// Stream error writing a property list
NSPropertyListWriteInvalidError NS_ENUM_AVAILABLE(10_10, 8_0) = 3852,
// Invalid property list object or invalid property list type specified when writing
NSPropertyListErrorMinimum NS_ENUM_AVAILABLE(10_6, 4_0) = 3840,
NSPropertyListErrorMaximum NS_ENUM_AVAILABLE(10_6, 4_0) = 4095,
NSXPCConnectionInterrupted NS_ENUM_AVAILABLE(10_8, 6_0) = 4097,
NSXPCConnectionInvalid NS_ENUM_AVAILABLE(10_8, 6_0) = 4099,
NSXPCConnectionReplyInvalid NS_ENUM_AVAILABLE(10_8, 6_0) = 4101,
NSXPCConnectionErrorMinimum NS_ENUM_AVAILABLE(10_8, 6_0) = 4096,
NSXPCConnectionErrorMaximum NS_ENUM_AVAILABLE(10_8, 6_0) = 4224,
NSUbiquitousFileUnavailableError NS_ENUM_AVAILABLE(10_9, 7_0) = 4353,
// NSURLUbiquitousItemDownloadingErrorKey contains an error with this code when the item has not been uploaded to iCloud by the other devices yet
NSUbiquitousFileNotUploadedDueToQuotaError NS_ENUM_AVAILABLE(10_9, 7_0) = 4354,
// NSURLUbiquitousItemUploadingErrorKey contains an error with this code when the item has not been uploaded to iCloud because it would make the account go over-quota
NSUbiquitousFileUbiquityServerNotAvailable NS_ENUM_AVAILABLE(10_9, 7_0) = 4355,
// NSURLUbiquitousItemDownloadingErrorKey and NSURLUbiquitousItemUploadingErrorKey contain an error with this code when connecting to the iCloud servers failed
NSUbiquitousFileErrorMinimum NS_ENUM_AVAILABLE(10_9, 7_0) = 4352,
NSUbiquitousFileErrorMaximum NS_ENUM_AVAILABLE(10_9, 7_0) = 4607,
NSUserActivityHandoffFailedError NS_ENUM_AVAILABLE(10_10, 8_0) = 4608,
// The data for the user activity was not available (e.g. if the remote device became unavailable.)
NSUserActivityConnectionUnavailableError NS_ENUM_AVAILABLE(10_10, 8_0) = 4609,
// The user activity could not be continued because a required connection was not available
NSUserActivityRemoteApplicationTimedOutError NS_ENUM_AVAILABLE(10_10, 8_0) = 4610,
// The remote application failed to send data in time
NSUserActivityHandoffUserInfoTooLargeError NS_ENUM_AVAILABLE(10_10, 8_0) = 4611,
// The NSUserActivity userInfo dictionary was too large to receive
NSUserActivityErrorMinimum NS_ENUM_AVAILABLE(10_10, 8_0) = 4608,
NSUserActivityErrorMaximum NS_ENUM_AVAILABLE(10_10, 8_0) = 4863,
NSCoderReadCorruptError NS_ENUM_AVAILABLE(10_11, 9_0) = 4864,
// Error parsing data during decode
NSCoderValueNotFoundError NS_ENUM_AVAILABLE(10_11, 9_0) = 4865,
// Data requested was not found
NSCoderErrorMinimum NS_ENUM_AVAILABLE(10_11, 9_0) = 4864,
NSCoderErrorMaximum NS_ENUM_AVAILABLE(10_11, 9_0) = 4991,
NSBundleErrorMinimum NS_ENUM_AVAILABLE(10_11, 9_0) = 4992,
NSBundleErrorMaximum NS_ENUM_AVAILABLE(10_11, 9_0) = 5119,
NSBundleOnDemandResourceOutOfSpaceError NS_ENUM_AVAILABLE(NA, 9_0) = 4992,
// There was not enough space available to download the requested On Demand Resources.
NSBundleOnDemandResourceExceededMaximumSizeError NS_ENUM_AVAILABLE(NA, 9_0) = 4993,
// The application exceeded the amount of On Demand Resources content in use at one time
NSBundleOnDemandResourceInvalidTagError NS_ENUM_AVAILABLE(NA, 9_0) = 4994,
// The application specified a tag which the system could not find in the application tag manifest
};
2.NSURLError
NS_ENUM(NSInteger) {
NSURLErrorUnknown = -1,
NSURLErrorCancelled = -999,
NSURLErrorBadURL = -1000,
NSURLErrorTimedOut = -1001,
NSURLErrorUnsupportedURL = -1002,
NSURLErrorCannotFindHost = -1003,
NSURLErrorCannotConnectToHost = -1004,
NSURLErrorNetworkConnectionLost = -1005,
NSURLErrorDNSLookupFailed = -1006,
NSURLErrorHTTPTooManyRedirects = -1007,
NSURLErrorResourceUnavailable = -1008,
NSURLErrorNotConnectedToInternet = -1009,
NSURLErrorRedirectToNonExistentLocation = -1010,
NSURLErrorBadServerResponse = -1011,
NSURLErrorUserCancelledAuthentication = -1012,
NSURLErrorUserAuthenticationRequired = -1013,
NSURLErrorZeroByteResource = -1014,
NSURLErrorCannotDecodeRawData = -1015,
NSURLErrorCannotDecodeContentData = -1016,
NSURLErrorCannotParseResponse = -1017,
NSURLErrorAppTransportSecurityRequiresSecureConnection
NS_ENUM_AVAILABLE(10_11, 9_0) = -1022,
NSURLErrorFileDoesNotExist = -1100,
NSURLErrorFileIsDirectory = -1101,
NSURLErrorNoPermissionsToReadFile = -1102,
NSURLErrorDataLengthExceedsMaximum
NS_ENUM_AVAILABLE(10_5, 2_0) = -1103,
// SSL errors
NSURLErrorSecureConnectionFailed = -1200,
NSURLErrorServerCertificateHasBadDate = -1201,
NSURLErrorServerCertificateUntrusted = -1202,
NSURLErrorServerCertificateHasUnknownRoot = -1203,
NSURLErrorServerCertificateNotYetValid = -1204,
NSURLErrorClientCertificateRejected = -1205,
NSURLErrorClientCertificateRequired = -1206,
NSURLErrorCannotLoadFromNetwork = -2000,
// Download and file I/O errors
NSURLErrorCannotCreateFile = -3000,
NSURLErrorCannotOpenFile = -3001,
NSURLErrorCannotCloseFile = -3002,
NSURLErrorCannotWriteToFile = -3003,
NSURLErrorCannotRemoveFile = -3004,
NSURLErrorCannotMoveFile = -3005,
NSURLErrorDownloadDecodingFailedMidStream = -3006,
NSURLErrorDownloadDecodingFailedToComplete = -3007,
NSURLErrorInternationalRoamingOff
NS_ENUM_AVAILABLE(10_7, 3_0) = -1018,
NSURLErrorCallIsActive
NS_ENUM_AVAILABLE(10_7, 3_0) = -1019,
NSURLErrorDataNotAllowed
NS_ENUM_AVAILABLE(10_7, 3_0) = -1020,
NSURLErrorRequestBodyStreamExhausted
NS_ENUM_AVAILABLE(10_7, 3_0) = -1021,
NSURLErrorBackgroundSessionRequiresSharedContainer
NS_ENUM_AVAILABLE(10_10, 8_0) = -995,
NSURLErrorBackgroundSessionInUseByAnotherProcess
NS_ENUM_AVAILABLE(10_10, 8_0) = -996,
NSURLErrorBackgroundSessionWasDisconnected
NS_ENUM_AVAILABLE(10_10, 8_0)= -997,
};
