Socket Error Codes

NOTE

This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.

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

1. The memory is abnormal.

2. A null pointer is present.

Procedure

1. Check whether the memory space is sufficient. If not, clear the memory and try again.

2. Check whether the system is normal. If not, try again later or restart the device.

2301206 Failed to Connect to the Proxy Server via SOCKS5

Error Message

Socks5 failed to connect to the proxy server.

Description

This error code is reported if a SOCKS5 client fails to connect to the proxy server.

Cause

The proxy server address is incorrect.

Procedure

Check whether the proxy server address is correct.

2301207 Invalid User Name or Password for SOCKS5 Authentication

Error Message

Socks5 username or password is invalid.

Description

This error code is reported if the user name or password is invalid when the SOCKS5 client uses the password authentication mode.

Cause

The user name or password is incorrect.

Procedure

Check whether the user name and password are correct.

2301208 Failed to Connect to the Remote Server via SOCKS5

Error Message

Socks5 failed to connect to the remote server.

Description

This error code is reported if a SOCKS5 proxy fails to connect to the remote server.

Cause

The network of the remote server is faulty.

Procedure

Check the network status of the remote server.

2301209 Authentication Mode Negotiation Failed for SOCKS5

Error Message

Socks5 failed to negotiate the authentication method.

Description

This error code is reported if a SOCKS5 client fails to negotiate the authentication mode with the proxy server.

Cause

The proxy server does not support the authentication mode provided by the SOCKS5 client.

Procedure

Check whether the proxy server supports the authentication mode provided by the SOCKS5 client.

2301210 Failed to Send Messages via SOCKS5

Error Message

Socks5 failed to send the message.

Description

This error code is reported if a SOCKS5 client fails to send messages due to a system call error.

Cause

This problem is usually caused by memory overflows and invalid parameters. Check the log for Linux kernel errors.

Procedure

Create a socket and initiate a connection again.

2301211 Failed to Receive Messages via SOCKS5

Error Message

Socks5 failed to receive the message.

Description

This error code is reported if a SOCKS5 client fails to receive messages due to a system call error.

Cause

Errors such as memory overflow and invalid parameter have occurred. Check the log for Linux kernel errors.

Procedure

Create a socket and initiate a connection again.

2301212 Failed to Serialize Messages for SOCKS5

Error Message

Socks5 serialization error.

Description

This error code is reported if message fails to be serialized for a SOCKS5 client.

Cause

The user name or password is too long, or the address and protocol type of the proxy server and the remote server do not match.

Procedure

Check whether the user name and password exceed the length limit and whether the addresses and protocol types of the proxy server and remote server match.

2301213 Failed to Deserialize Messages for SOCKS5

Error Message

Socks5 deserialization error.

Description

This error code is reported if message fails to be deserialized for a SOCKS5 client.

Cause

The length of the response packets sent by the server does not comply with the protocol.

Procedure

Check the response data packets of the server.

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

Not a 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

Incorrect socket protocol type.

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

Address not available.

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.

2303200 Network Disabled

Error Message

Network is down.

Description

The network is disabled.

Cause

The network service is not started or has been stopped.

Procedure

Check the network connection.

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

An error occurred when reading data on the TLS socket.

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

An error occurred when writing data on the TLS socket.

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

An error occurred when verifying the X.509 certificate.

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

An 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

Failed to close the 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.

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