网络服务错误码

错误码

错误码名称

400

Bad Request

401

Unauthorized

402

Payment Required

403

Forbidden

404

Not Found

405

Method Not Allowed

406

Not Acceptable

407

Proxy Authentication Required

408

Request Time-out

409

Conflict

410

Gone

411

Length Required

412

Precondition Failed

413

Request Entity Too Large

414

Request-URI Too Large

415

Unsupported Media Type

416

Requested range not satisfiable

417

Expectation Failed

500

Internal Server Error

501

Not Implemented

502

Bad Gateway

503

Service Unavailable

504

Gateway Time-out

505

http version not supported

错误码

错误码名称

-1

Generic error

-2

Server or proxy hostname lookup failed

-3

Unsupported authentication scheme (not basic or digest) 

-4

User authentication failed on server

-5

User authentication failed on proxy 

-6

Failed to connect to the server

-7

Failed to read or write to the server

-8

Connection timed out

-9

Too many redirects 

-10

Unsupported URI scheme

-11

Failed to perform SSL handshake

-12

Malformed URL

-13

Generic file error

-14

File not found

-15

Too many requests during this load

-16

Resource load was cancelled by Safe Browsing 

1

The certificate has expired

2

Hostname mismatch

3

The certificate authority is not trusted

4

The date of the certificate is invalid

5

A generic error occurred

错误码

错误码名称

-1

NSURLErrorUnknown

-995

NSURLErrorBackgroundSessionRequiresSharedContainer

-996

NSURLErrorBackgroundSessionInUseByAnotherProcess

-997

NSURLErrorBackgroundSessionWasDisconnected

-999

NSURLErrorCancelled

-1000

NSURLErrorBadURL

-1001

NSURLErrorTimedOut

-1002

NSURLErrorUnsupportedURL

-1003

NSURLErrorCannotFindHost

-1004

NSURLErrorCannotConnectToHost

-1005

NSURLErrorNetworkConnectionLost

-1006

NSURLErrorDNSLookupFailed

-1007

NSURLErrorHTTPTooManyRedirects

-1008

NSURLErrorResourceUnavailable

-1009

NSURLErrorNotConnectedToInternet

-1010

NSURLErrorRedirectToNonExistentLocation

-1011

NSURLErrorBadServerResponse

-1012

NSURLErrorUserCancelledAuthentication

-1013

NSURLErrorUserAuthenticationRequired

-1014

NSURLErrorZeroByteResource

-1015

NSURLErrorCannotDecodeRawData

-1016

NSURLErrorCannotDecodeContentData

-1017

NSURLErrorCannotParseResponse

-1018

NSURLErrorInternationalRoamingOff

-1019

NSURLErrorCallIsActive

-1020

NSURLErrorDataNotAllowed

-1021

NSURLErrorRequestBodyStreamExhausted

-1022

NSURLErrorAppTransportSecurityRequiresSecureConnection

-1100

NSURLErrorFileDoesNotExist

-1101

NSURLErrorFileIsDirectory

-1102

NSURLErrorNoPermissionsToReadFile

-1103

NSURLErrorDataLengthExceedsMaximum

-1104

NSURLErrorFileOutsideSafeArea

-1200

NSURLErrorSecureConnectionFailed

-1201

NSURLErrorServerCertificateHasBadDate

-1202

NSURLErrorServerCertificateUntrusted

-1203

NSURLErrorServerCertificateHasUnknownRoot

-1204

NSURLErrorServerCertificateNotYetValid

-1205

NSURLErrorClientCertificateRejected

-1206

NSURLErrorClientCertificateRequired

-2000

NSURLErrorCannotLoadFromNetwork

-3000

NSURLErrorCannotCreateFile

-3001

NSURLErrorCannotOpenFile

-3002

NSURLErrorCannotCloseFile

-3003

NSURLErrorCannotWriteToFile

-3004

NSURLErrorCannotRemoveFile

-3005

NSURLErrorCannotMoveFile

-3006

NSURLErrorDownloadDecodingFailedMidStream

-3007

NSURLErrorDownloadDecodingFailedToComplete

1

invalidAddress

2

protectionFailure

3

noSpace

4

invalidArgument

5

failure

6

resourceShortage

7

notReceiver

8

noAccess

9

memoryFailure

10

memoryError

11

alreadyInSet

12

notInSet

13

nameExists

14

aborted

15

invalidName

16

invalidTask

17

invalidRight

18

invalidValue

19

userReferencesOverflow

20

invalidCapability

21

rightExists

22

invalidHost

23

memoryPresent

24

memoryDataMoved

25

memoryRestartCopy

26

invalidProcessorSet

27

policyLimit

28

invalidPolicy

29

invalidObject

30

alreadyWaiting

31

defaultSet

32

exceptionProtected

33

invalidLedger

34

invalidMemoryControl

35

invalidSecurity

36

notDepressed

37

terminated

38

lockSetDestroyed

39

lockUnstable

40

lockOwned

41

lockOwnedSelf

42

semaphoreDestroyed

43

rpcServerTerminated

44

rpcTerminateOrphan

45

rpcContinueOrphan

46

notSupported

47

nodeDown

48

notWaiting

49

operationTimedOut

50

codesignError

51

policyStatic

255

NSFileLockingError

256

NSFileReadUnknownError

257

NSFileReadNoPermissionError

258

NSFileReadInvalidFileNameError

259

NSFileReadCorruptFileError

260

NSFileReadNoSuchFileError

261

NSFileReadInapplicableStringEncodingError

262

NSFileReadUnsupportedSchemeError

263

NSFileReadTooLargeError

264

NSFileReadUnknownStringEncodingError

512

NSFileWriteUnknownError

513

NSFileWriteNoPermissionError

514

NSFileWriteInvalidFileNameError

516

NSFileWriteFileExistsError

517

NSFileWriteInapplicableStringEncodingError

518

NSFileWriteUnsupportedSchemeError

640

NSFileWriteOutOfSpaceError

642

NSFileWriteVolumeReadOnlyError

768

NSFileManagerUnmountUnknownError

769

NSFileManagerUnmountBusyError

1024

NSKeyValueValidationError

2048

NSFormattingError

3072

NSUserCancelledError

3328

NSFeatureUnsupportedError

3584

NSExecutableNotLoadableError

3585

NSExecutableArchitectureMismatchError

3586

NSExecutableRuntimeMismatchError

3587

NSExecutableLoadError

3588

NSExecutableLinkError

3840

NSPropertyListReadCorruptError

3841

NSPropertyListReadUnknownVersionError

3842

NSPropertyListReadStreamError

3851

NSPropertyListWriteStreamError

3852

NSPropertyListWriteInvalidError

4353

NSUbiquitousFileUnavailableError

4354

NSUbiquitousFileNotUploadedDueToQuotaError

4355

NSUbiquitousFileUbiquityServerNotAvailable

4864

NSCoderReadCorruptError

4865

NSCoderValueNotFoundError

4866

NSCoderInvalidValueError

4992

NSBundleOnDemandResourceOutOfSpaceError

4993

NSBundleOnDemandResourceExceededMaximumSizeError

4994

NSBundleOnDemandResourceInvalidTagError

5120

NSCloudSharingNetworkFailureError

5121

NSCloudSharingQuotaExceededError

5122

NSCloudSharingTooManyParticipantsError

5123

NSCloudSharingConflictError

5124

NSCloudSharingNoPermissionError

5375

NSCloudSharingOtherError