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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
29URL using bad/illegal 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
47Couldn't resolve 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
65Couldn't resolve 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
87Couldn't connect to 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
105Weird server reply.
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 denied to remote resource.
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 writing received data to disk/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
185The application does not have the data write permission.
186
187**Solution**
188
189Check the permissions granted to the application.
190
191## 2300025 Failed to Upload Data
192
193**Error Message**
194
195Upload failed.
196
197**Description**
198
199This error code is reported if data upload fails.
200
201**Cause**
202
203The file is too large or the network is faulty. The server may reject the **STOR** command if FTP is used.
204
205**Solution**
206
207Check the file size and network status.
208
209## 2300026 Failed to Open or Read Local Data from a File or Application
210
211**Error Message**
212
213Failed to open/read local data from file/application.
214
215**Description**
216
217This error code is reported if an error occurs while opening or reading local data from a file or application.
218
219**Cause**
220
221The application does not have the data read permission.
222
223**Solution**
224
225Check the permissions granted to the application.
226
227## 2300027 Insufficient Memory
228
229**Error Message**
230
231Out of memory.
232
233**Description**
234
235This error code is reported if the memory is insufficient.
236
237**Cause**
238
239This error code is reported if the memory is insufficient.
240
241**Solution**
242
243Check the system memory.
244
245## 2300028 Operation Timeout
246
247**Error Message**
248
249Timeout was reached.
250
251**Description**
252
253This error code is reported if the operation times out.
254
255**Cause**
256
257The TCP connection or the read/write operation times out.
258
259**Solution**
260
261Rectify network faults.
262
263## 2300047 Maximum Redirections Reached
264
265**Error Message**
266
267Number of redirects hit maximum amount.
268
269**Description**
270
271This error code is reported if the number of redirections reaches the maximum.
272
273**Cause**
274
275Redirection is performed too frequently.
276
277**Solution**
278
279Check the server implementation.
280
281## 2300052 No Content Returned by the Server
282
283**Error Message**
284
285Server returned nothing (no headers, no data).
286
287**Description**
288
289This error code is reported if no content is returned by the server.
290
291**Cause**
292
293This problem is probable due to server implementation.
294
295**Solution**
296
297Check the server implementation.
298
299## 2300055 Failed to Send Network Data
300
301**Error Message**
302
303Failed sending data to the peer.
304
305**Description**
306
307This error code is reported if an error occurs while sending network data to the peer end.
308
309**Cause**
310
311This problem is probable due to a network fault.
312
313**Solution**
314
315Rectify network faults.
316
317## 2300056 Failed to Receive Network Data
318
319**Error Message**
320
321Failure when receiving data from the peer.
322
323**Description**
324
325This error code is reported if an error occurs while receiving network data from the peer end.
326
327**Cause**
328
329This problem is probable due to a network fault.
330
331**Solution**
332
333Rectify network faults.
334
335## 2300058 Local SSL Certificate Error
336
337**Error Message**
338
339Problem with the local SSL certificate.
340
341**Description**
342
343This error code is reported if the local SSL certificate is incorrect.
344
345**Cause**
346
347The format of the SSL certificate is incorrect.
348
349**Solution**
350
351Check the format of the SSL certificate.
352
353## 2300059 Failed to Use the Specified SSL Cipher Algorithm
354
355**Error Message**
356
357Couldn't use specified SSL cipher.
358
359**Description**
360
361This error code is reported if the specified SSL cipher algorithm cannot be used.
362
363**Cause**
364
365The system does not support the cipher algorithm negotiated between the client and server.
366
367**Solution**
368
369Capture and analyze packets to check whether the cipher algorithm is supported.
370
371## 2300060 Incorrect SSL Certificate or SSH Key of the Remote Server
372
373**Error Message**
374
375SSL peer certificate or SSH remote key was not OK.
376
377**Description**
378
379This error code is reported if the SSL certificate or SSH key of the remote server is incorrect.
380
381**Cause**
382
383It is probable that the server identity verification fails because the certificate has expired.
384
385**Solution**
386
387Check whether the certificate is valid.
388
389## 2300061 Unrecognized or Incorrect HTTP Encoding Format
390
391**Error Message**
392
393Unrecognized or bad HTTP Content or Transfer-Encoding.
394
395**Description**
396
397This error code is reported if the HTTP encoding format cannot be identified or is incorrect.
398
399**Cause**
400
401The HTTP encoding format is incorrect.
402
403**Solution**
404
405Check the server implementation. Currently, only gzip encoding is supported.
406
407## 2300063 Maximum File Size Exceeded
408
409**Error Message**
410
411Maximum file size exceeded.
412
413**Description**
414
415This error code is reported if the maximum file size is exceeded.
416
417**Cause**
418
419The downloaded file is too large.
420
421**Solution**
422
423Check the server implementation.
424
425## 2300070 Insufficient Server Disk Space
426
427**Error Message**
428
429Remote disk full or allocation exceeded.
430
431**Description**
432
433This error code is reported if the server disk space is insufficient.
434
435**Cause**
436
437The server disk is full.
438
439**Solution**
440
441Check the server disk space.
442
443## 2300073 Uploaded File Already Exists
444
445**Error Message**
446
447Remote file already exists.
448
449**Description**
450
451This error code is reported if the server finds that the uploaded file already exists.
452
453**Cause**
454
455The uploaded file already exists.
456
457**Solution**
458
459Check the server for files that already exist.
460
461## 2300077 No SSL CA Certificate or Access Permission
462
463**Error Message**
464
465Problem with the SSL CA cert (path? access rights?).
466
467**Description**
468
469This error code is reported if the SSL CA certificate does not exist or the access permission is not available.
470
471**Cause**
472
473The SSL CA certificate is not available or the access permission is not granted.
474
475**Solution**
476
477Check whether the SSL CA certificate exists or the access permission is granted.
478
479## 2300078 URL Requested File Not Found
480
481**Error Message**
482
483Remote file not found.
484
485**Description**
486
487This error code is reported if the file requested by the specified URL does not exist.
488
489**Cause**
490
491The file requested by the specified URL does not exist.
492
493**Solution**
494
495Check whether the file requested by the specified URL exists.
496
497## 2300094 Identity Verification Failed
498
499**Error Message**
500
501An authentication function returned an error.
502
503**Description**
504
505This error code is reported if identity verification fails.
506
507**Cause**
508
509The specified identity verification field does not match that on the server.
510
511**Solution**
512
513Check whether the specified identity verification field matches that on the server.
514
515## 2300999 Unknown Error
516
517**Error Message**
518
519Unknown Other Error.
520
521**Description**
522
523This error code is reported if an unknown error occurs.
524
525**Cause**
526
527An unknown error occurs.
528
529**Solution**
530
531Try again or contact technical support.
532