Message
Unsupported protocol.
Description
The server does not support this protocol version.
Possible causes
The input protocol version is not supported by the server.
Solution
Specify a protocol version supported by the server.
Message
URL using bad/illegal format or missing URL.
Description
Invalid URL format.
Possible causes
The format of the input URL is incorrect.
Solution
Specify a URL of the correct format.
Message
Couldn't resolve proxy name.
Description
The domain name of the proxy server cannot be resolved.
Possible causes
The URL of the proxy server is incorrect.
Solution
Specify a URL of the correct format.
Message
Couldn't resolve host name.
Description
The domain name of the server cannot be resolved.
Possible causes
Solution
Message
Couldn't connect to server.
Description
The server cannot be connected.
Possible causes
The format of the input URL is incorrect.
Solution
Specify a URL of the correct format.
Message
Weird server reply.
Description
The server returned invalid data.
Possible causes
The server encountered an error and returned data in non-HTTP format.
Solution
Check the server implementation.
Message
Access denied to remote resource.
Description
Access to remote resources was rejected.
Possible causes
The access to the specified resource is rejected by the server.
Solution
Verify the HTTP request.
Message
Error in the HTTP2 framing layer.
Description
An error occurred on the HTTP2 framing layer.
Possible causes
The server does not support HTTP2.
Solution
Capture and analyze packets to check whether HTTP2 is supported by the server.
Message
Transferred a partial file.
Description
The data returned by the server is incomplete.
Possible causes
This problem is probable due to server implementation.
Solution
Check the server implementation.
Message
Upload failed.
Description
Upload failed.
Possible causes
The file is too large or the network is faulty. The server may reject the STOR command if FTP is used. The error buffer usually contains the reason from the server.
Solution
Check the file size and network status.
Message
Failed to open/read local data from file/application.
Description
Failed to open or read local data from a file or app.
Possible causes
No file reading permission.
Solution
Check the permissions granted to the app.
Message
Out of memory.
Description
The memory is insufficient.
Possible causes
The memory is insufficient.
Solution
Check the system memory.
Message
Timeout was reached.
Description
The operation timed out.
Possible causes
The TCP connection or the read/write operation times out.
Solution
Rectify the network connection error.
Message
Number of redirects hit maximum amount.
Description
The number of redirections has reached the maximum.
Possible causes
Redirections are too frequent.
Solution
Check the server implementation.
Message
Server returned nothing (no headers, no data).
Description
Nothing returned from server.
Possible causes
This problem is due to server implementation.
Solution
Check the server implementation.
Message
Failed sending data to the peer.
Description
An error occurred while sending network data to the peer end.
Possible causes
The network is faulty.
Solution
Rectify the network connection error.
Message
Failure when receiving data from the peer.
Description
An error occurred while receiving network data from the peer end.
Possible causes
The network is faulty.
Solution
Rectify the network connection error.
Message
Problem with the local SSL certificate.
Description
The local SSL certificate is incorrect.
Possible causes
The SSL certificate format is incorrect.
Solution
Check the format of the SSL certificate.
Message
Couldn't use specified SSL cipher.
Description
Cannot use the specified SSL password.
Possible causes
The system does not support the cipher algorithm negotiated between the client and server.
Solution
Capture and analyze packets to check whether the cipher algorithm is supported.
Message
SSL peer certificate or SSH remote key was not OK.
Description
The SSL certificate or SSH key of the remote server is incorrect.
Possible causes
It is probable that the server identity verification fails because the certificate has expired.
Solution
Check the validity period of the certificate.
Message
Unrecognized or bad HTTP Content or Transfer-Encoding.
Description
The HTTP encoding format cannot be identified or is incorrect.
Possible causes
The HTTP encoding format is incorrect.
Solution
Check the server implementation. Currently, only gzip encoding is supported.
Message
Maximum file size exceeded.
Description
The file size exceeded the maximum.
Possible causes
The size of the file to be downloaded exceeds 50 MB.
Solution
Check the server implementation.
Message
Disk full or allocation exceeded.
Description
The disk space of the server is insufficient.
Possible causes
The server disk is full.
Solution
Check the server disk space.
Message
Remote file already exists.
Description
The server finds that the uploaded file already exists.
Possible causes
The uploaded file already exists.
Solution
Check the server implementation.
Message
Problem with the SSL CA cert (path? access rights?).
Description
The SSL CA certificate does not exist or the access permission is not available.
Possible causes
The certificate does not exist or the access permission is not available.
Solution
Check whether the SSL CA certificate exists or the access permission is granted.
Message
Remote file not found.
Description
The file requested by the specified URL does not exist.
Possible causes
The file requested by the specified URL does not exist.
Solution
Check whether the file requested by the specified URL exists.
Message
An authentication function returned an error.
Description
Identity verification failed
Possible causes
The specified identity verification field does not match that on the server.
Solution
Check whether the specified identity verification field matches that on the server.
Message
Internal Error.
Description
An internal error occurred.
Possible causes
An unknown error occurs in the system, and the request cannot be ;processed.
Solution
Restart the app or contact technical support for help.
Message
Method not supported.
Description
The method is not supported.
Possible causes
An unsupported API method or protocol is used.
Solution
Check the code or app to ensure that the method and protocol used are correct.
Message
Invalid content type.
Description
Invalid content type
Possible causes
The request uses an unsupported data format or content type.
Solution
Ensure that the content type and data format in the request are correct.
Message
Proxy type not supported.
Description
The proxy type is not supported.
Possible causes
An unsupported proxy type is used.
Solution
Change the proxy type or disable the proxy, and try again.
Message
Get system proxy failed.
Description
Failed to obtain the system proxy.
Possible causes
The proxy is not configured correctly.
Solution
Ensure that the proxy is correctly configured.
Message
Session is closed.
Description
The session has been closed.
Possible causes
The session has been closed or is expired.
Solution
Open the session or create a new session, and try again.