1# HTTP Error Codes
2
3> **NOTE**
4>
5> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md).
6
7## 2300001 Protocol Not Supported
8
9**Error Message**
10
11Unsupported protocol.
12
13**Description**
14
15This error code is reported if the input protocol version is not supported by the server.
16
17**Cause**
18
19The input protocol version is not supported by the server.
20
21**Solution**
22
23Specify a protocol version supported by the server.
24
25## 2300003 Incorrect URL Format
26
27**Error Message**
28
29Invalid URL format or missing URL.
30
31**Description**
32
33This error code is reported if the URL format is incorrect.
34
35**Cause**
36
37The format of the input URL is incorrect.
38
39**Solution**
40
41Specify a URL of the correct format.
42
43## 2300005 Failed to Resolve the Domain Name of the Proxy Server
44
45**Error Message**
46
47Failed to resolve the proxy name.
48
49**Description**
50
51This error code is reported if the domain name of the proxy server cannot be resolved.
52
53**Cause**
54
55This error code is reported if the URL of the proxy server is incorrect.
56
57**Solution**
58
59Specify a URL of the correct format.
60
61## 2300006 Failed to Resolve the Domain Name of the Host
62
63**Error Message**
64
65Failed to resolve the host name.
66
67**Description**
68
69This error code is reported if the domain name of the host cannot be resolved.
70
71**Cause**
72
731. The input URL is incorrect.
74
752. The network connection is abnormal.
76
77**Solution**
78
791. Specify a URL of the correct format.
80
812. Rectify network connection faults.
82
83## 2300007 Failed to Connect to the Server
84
85**Error Message**
86
87Failed to connect to the server.
88
89**Description**
90
91This error code is reported if the server connection failed.
92
93**Cause**
94
95The format of the input URL is incorrect.
96
97**Solution**
98
99Specify a URL of the correct format.
100
101## 2300008 Invalid Data Returned by the Server
102
103**Error Message**
104
105Invalid server response.
106
107**Description**
108
109This error code is reported if the data returned by the server is invalid.
110
111**Cause**
112
113The server encounters an error and returns data in non-HTTP format.
114
115**Solution**
116
117Check the server implementation.
118
119## 2300009 Access to Remote Resources Denied
120
121**Error Message**
122
123Access to the remote resource denied.
124
125**Description**
126
127This error code is reported if the access to remote resources is denied by the server.
128
129**Cause**
130
131The access to the specified resource is denied by the server.
132
133**Solution**
134
135Check whether access to the requested resource is allowed.
136
137## 2300016 HTT2 Framing Layer Error
138
139**Error Message**
140
141Error in the HTTP2 framing layer.
142
143**Description**
144
145This error code is reported if an error occurs on the HTTP2 framing layer.
146
147**Cause**
148
149HTTP2 is not supported by the server.
150
151**Solution**
152
153Capture and analyze packets to check whether HTTP2 is supported by the server.
154
155## 2300018 Incomplete Data Returned by the Server
156
157**Error Message**
158
159Transferred a partial file.
160
161**Description**
162
163This error code is reported if data returned by the server is incomplete.
164
165**Cause**
166
167This problem is probable due to server implementation.
168
169**Solution**
170
171Check the server implementation.
172
173## 2300023 Failed to Write Received Data to a Disk or Application
174
175**Error Message**
176
177Failed to write the received data to the disk or application.
178
179**Description**
180
181This error code is reported if an error occurs while writing received data to the disk or application.
182
183**Cause**
184
185- The application does not have the permission to write files or the file to be downloaded exceeds 5 MB.
186- The **destroy** function is called before the data of the last request is fully received.
187
188**Solution**
189
190Check the application permission and the size of the file to be downloaded.
191
192## 2300025 Failed to Upload Data
193
194**Error Message**
195
196Upload failed.
197
198**Description**
199
200This error code is reported if data upload fails.
201
202**Cause**
203
204The file is too large or the network is faulty. The server may reject the **STOR** command if FTP is used.
205
206**Solution**
207
208Check the file size and network status.
209
210## 2300026 Failed to Open or Read Local Data from a File or Application
211
212**Error Message**
213
214Failed to open or read local data from the file or application.
215
216**Description**
217
218This error code is reported if an error occurs while opening or reading local data from a file or application.
219
220**Cause**
221
222The application does not have the data read permission.
223
224**Solution**
225
226Check the permissions granted to the application.
227
228## 2300027 Insufficient Memory
229
230**Error Message**
231
232Out of memory.
233
234**Description**
235
236This error code is reported if the memory is insufficient.
237
238**Cause**
239
240This error code is reported if the memory is insufficient.
241
242**Solution**
243
244Check the system memory.
245
246## 2300028 Operation Timeout
247
248**Error Message**
249
250Operation timeout.
251
252**Description**
253
254This error code is reported if the operation times out.
255
256**Cause**
257
258The TCP connection or the read/write operation times out.
259
260**Solution**
261
262Check whether the network is stable and the signal strength is strong. If the network is normal, check whether the server is overloaded or service processing is slow.
263
264## 2300047 Maximum Redirections Reached
265
266**Error Message**
267
268The number of redirections reaches the maximum allowed.
269
270**Description**
271
272This error code is reported if the number of redirections reaches the maximum.
273
274**Cause**
275
276Redirection is performed too frequently.
277
278**Solution**
279
280Check the server implementation.
281
282## 2300052 No Content Returned by the Server
283
284**Error Message**
285
286The server returned nothing (no header or data).
287
288**Description**
289
290This error code is reported if no content is returned by the server.
291
292**Cause**
293
294This problem is probable due to server implementation.
295
296**Solution**
297
298Check the server implementation.
299
300## 2300055 Failed to Send Network Data
301
302**Error Message**
303
304Failed to send data to the peer.
305
306**Description**
307
308This error code is reported if an error occurs while sending network data to the peer end.
309
310**Cause**
311
312This problem is probable due to a network fault.
313
314**Solution**
315
316Rectify network faults.
317
318## 2300056 Failed to Receive Network Data
319
320**Error Message**
321
322Failed to receive data from the peer.
323
324**Description**
325
326This error code is reported if an error occurs while receiving network data from the peer end.
327
328**Cause**
329
330This problem is probable due to a network fault.
331
332**Solution**
333
334Rectify network faults.
335
336## 2300058 Local SSL Certificate Error
337
338**Error Message**
339
340Local SSL certificate error.
341
342**Description**
343
344This error code is reported if the local SSL certificate is incorrect.
345
346**Cause**
347
348The format of the SSL certificate is incorrect.
349
350**Solution**
351
352Check the format of the SSL certificate.
353
354## 2300059 Failed to Use the Specified SSL Cipher Algorithm
355
356**Error Message**
357
358The specified SSL cipher cannot be used.
359
360**Description**
361
362This error code is reported if the specified SSL cipher algorithm cannot be used.
363
364**Cause**
365
366The system does not support the cipher algorithm negotiated between the client and server.
367
368**Solution**
369
370Capture and analyze packets to check whether the cipher algorithm is supported.
371
372## 2300060 Incorrect SSL Certificate or SSH Key of the Remote Server
373
374**Error Message**
375
376Invalid SSL peer certificate or SSH remote key.
377
378**Description**
379
380This error code is reported if the SSL certificate or SSH key of the remote server is incorrect.
381
382**Cause**
383
384It is probable that the server identity verification fails because the certificate has expired.
385
386**Solution**
387
388Check whether the certificate is valid.
389
390## 2300061 Unrecognized or Incorrect HTTP Encoding Format
391
392**Error Message**
393
394Invalid HTTP encoding format.
395
396**Description**
397
398This error code is reported if the HTTP encoding format cannot be identified or is incorrect.
399
400**Cause**
401
402The HTTP encoding format is incorrect.
403
404**Solution**
405
406Check the server implementation. Currently, only gzip encoding is supported.
407
408## 2300063 Maximum File Size Exceeded
409
410**Error Message**
411
412Maximum file size exceeded.
413
414**Description**
415
416This error code is reported if the maximum file size is exceeded.
417
418**Cause**
419
420The downloaded file is too large.
421
422**Solution**
423
424Check the server implementation.
425
426## 2300070 Insufficient Server Disk Space
427
428**Error Message**
429
430Remote disk full.
431
432**Description**
433
434This error code is reported if the server disk space is insufficient.
435
436**Cause**
437
438The server disk is full.
439
440**Solution**
441
442Check the server disk space.
443
444## 2300073 Uploaded File Already Exists
445
446**Error Message**
447
448Remote file already exists.
449
450**Description**
451
452This error code is reported if the server finds that the uploaded file already exists.
453
454**Cause**
455
456The uploaded file already exists.
457
458**Solution**
459
460Check the server for files that already exist.
461
462## 2300077 No SSL CA Certificate or Access Permission
463
464**Error Message**
465
466The SSL CA certificate does not exist or is unaccessible.
467
468**Description**
469
470This error code is reported if the SSL CA certificate does not exist or the access permission is not available.
471
472**Cause**
473
474The SSL CA certificate is not available or the access permission is not granted.
475
476**Solution**
477
478Check whether the SSL CA certificate exists or the access permission is granted.
479
480## 2300078 URL Requested File Not Found
481
482**Error Message**
483
484Remote file not found.
485
486**Description**
487
488This error code is reported if the file requested by the specified URL does not exist.
489
490**Cause**
491
492The file requested by the specified URL does not exist.
493
494**Solution**
495
496Check whether the file requested by the specified URL exists.
497
498## 2300094 Identity Verification Failed
499
500**Error Message**
501
502Authentication error.
503
504**Description**
505
506This error code is reported if identity verification fails.
507
508**Cause**
509
510The specified identity verification field does not match that on the server.
511
512**Solution**
513
514Check whether the specified identity verification field matches that on the server.
515
516## 2300998 Domain Access Denied
517
518**Error Message**
519
520It is not allowed to access this domain.
521
522**Description**
523
524This error code is reported if access to a certain domain is prohibited.
525
526**Cause**
527
528An incorrect server domain name is configured for the atomic service.
529
530**Solution**
531
532Configure a correct server domain name for the atomic service.
533
534## 2300999 Unknown Error
535
536**Error Message**
537
538Unknown error.
539
540**Description**
541
542This error code is reported if an unknown error occurs.
543
544**Cause**
545
546An unknown error occurs.
547
548**Solution**
549
550Try again or contact technical support.
551