Socket Error Codes

NOTE

The following describes only the error codes specific to the socket module. For details about common error codes, see Common Error Codes file.

2301001 Operation Not Allowed

Error Message

Operation not permitted.

Description

This error code is reported if an operation is not allowed.

Cause

The operation is illegal.

Procedure

Check the operation procedure.

2301002 File Not Exist

Error Message

No such file or directory.

Description

This error code is reported if the requested file does not exist.

Cause

The requested file does not exist.

Procedure

Check the file name or file path.

2301003 Process Not Exist

Error Message

No such process.

Description

This error code is reported if a process does not exist.

Cause

The process does not exist.

Procedure

Check the process information.

2301004 System Call Interrupted

Error Message

Interrupted system call.

Description

This error code is reported if the system call is interrupted.

Cause

The system call is interrupted.

Procedure

Rectify system call errors.

Description of TCP/UDP error codes:

Mapping format of other TCP/UDP Socket error codes: 2301000 + Linux kernel error code (errno). For details, see Linux kernel error codes.

2300002 System Internal Error

Error Message

System internal error.

Description

This error code is reported if a system internal error occurs.

Cause

The memory is abnormal.
A null pointer is present.

Procedure

Check whether the memory space is sufficient. If not, clear the memory and try again.
Check whether the system is normal. If not, try again later or restart the device.

2303104 System Call Interrupted

Error Message

Interrupted system call.

Description

This error code is reported if the system call is interrupted.

Cause

Calling the connect function may result in a long blocking time. In such a case, the system generates an interrupt signal and returns an EINTR error.

Procedure

Call the connect function to try network connection again.

2303109 Error File Number

Error Message

Bad file number.

Description

This error code is reported if an operation is performed on a locally closed socket.

Cause

The socket FD may be closed.

Procedure

Check whether the socket is closed unexpectedly.

2303111 Requested Resource Temporarily Unavailable

Error Message

Resource temporarily unavailable try again.

Description

This error code is reported if the requested system resource is temporarily unavailable.

Cause

The system resources are in use.

Procedure

Try again later.

2303188 Socket Operations on Non-Sockets

Error Message

Socket operation on non-socket.

Description

This error code is reported if a socket descriptor is not specified for the socket parameter.

Cause

A socket descriptor is not specified for the socket parameter.

Procedure

Check whether the descriptor is correctly obtained.

2303191 Incorrect Socket Protocol Type

Error Message

Protocol wrong type for socket.

Description

This error code is reported if the type of the specified socket protocol is incorrect.

Cause

The socket function is called with an unsupported socket protocol type. For example, the protocol type cannot be set to SOCK_STREAM socket for the the Internet UDP protocol.

Procedure

Check whether the socket protocol type is correct.

2303198 Network Address Already In Use

Error Message

Address already in use.

Description

This error code is reported if a network address has been used.

Cause

The probable cause can be any of the following: The application attempts to bind a socket to an IP address/port that has been used for an existing socket. The socket is not properly closed. The socket is still being closed.

Procedure

Try another network address.

2303199 Failed to Assign the Requested Address

Error Message

Cannot assign requested address.

Description

This error code is reported if the requested address is invalid in its context.

Cause

The remote address or port is invalid for the remote server.

Procedure

Check whether the address or port is correct.

2303210 Connection Timeout

Error Message

Connection timed out.

Description

This error code is reported if the connection to the remote server cannot be set up for a long time.

Cause

It is probable that a server breakdown has occurred.

Procedure

Contact the peer end to rectify the fault.

2303501 Null SSL

Error Message

SSL is null.

Description

This error code is reported if the SSL is null.

Cause

The returned error information is null when an internal function fails to be executed.

Procedure

Call the function again.

2303502 TLS Reading Error

Error Message

Error in tls reading.

Description

This error code is reported if an error occurs while reading data on the TLS socket.

Cause

The underlying socket is blocked.

Procedure

Perform data receiving again.

2303503 TLS Writing Error

Error Message

Error in tls writing.

Description

This error code is reported if an error occurs while writing data on the TLS socket.

Cause

When the send buffer is full, the underlying socket sends an EWOUDLBLOCK error, which means that the server does not read the data sent from the client.

Procedure

Rectify the fault on the server side.

2303504 x509 Failed to Look Up the x509 Certificate

Error Message

Error looking up x509.

Description

An error occurred when verifying the x509 certificate.

Cause

The local certificate does not match the server certificate.

Procedure

Check whether the local CA matches the server certificate.

2303505 TLS System Call Error

Error Message

Error occurred in the tls system call.

Description

This error code is reported if the TLS system call fails because of fatal I/O errors.

Cause

Network communication fails because of network faults.

Procedure

For details, see the Linux kernel error codes (errno).

2303506 Failed to Close TLS Connections

Error Message

Error clearing tls connection.

Description

This error code is reported if the TLS/SSL connection to be closed has been disabled.

Cause

The TLS/SSL connection to be closed has been disabled.

Procedure

Initiate a new TLS/SSL connection.