WebSocket 1001 Going Away vs 1003 Unsupported Data
Both WebSocket 1001 (Going Away) and 1003 (Unsupported Data) belong to the WebSocket Close Codes category. 1001 indicates that an endpoint is going away, such as a server shutting down or a browser navigating away from the page. The connection must be closed. Meanwhile, 1003 means that an endpoint received a type of data it cannot accept. For example, a text-only endpoint received a binary message, or vice versa.
Descrição
An endpoint is going away, such as a server shutting down or a browser navigating away from the page. The connection must be closed.
Quando você o vê
The server is shutting down for maintenance, or the user navigated away from the page or closed the browser tab while a WebSocket was open.
Como corrigir
Implement automatic reconnection logic with exponential backoff in your client. If the server is restarting, the client should retry after a short delay.
Descrição
An endpoint received a type of data it cannot accept. For example, a text-only endpoint received a binary message, or vice versa.
Quando você o vê
The client sent a binary frame to a server that only handles text, or a text frame to a binary-only endpoint. The receiver does not know how to process this data type.
Como corrigir
Verify the message type (text vs binary) matches what the server expects. Update your client to send the correct opcode for the data format.
Diferenças principais
WebSocket 1001: An endpoint is going away, such as a server shutting down or a browser navigating away from the page. The connection must be closed.
WebSocket 1003: An endpoint received a type of data it cannot accept. For example, a text-only endpoint received a binary message, or vice versa.
You encounter 1001 when the server is shutting down for maintenance, or the user navigated away from the page or closed the browser tab while a WebSocket was open.
You encounter 1003 when the client sent a binary frame to a server that only handles text, or a text frame to a binary-only endpoint. The receiver does not know how to process this data type.
Quando usar qual
For 1001 (Going Away): Implement automatic reconnection logic with exponential backoff in your client. If the server is restarting, the client should retry after a short delay. For 1003 (Unsupported Data): Verify the message type (text vs binary) matches what the server expects. Update your client to send the correct opcode for the data format.