WebSocket 1009 Message Too Big vs 1011 Internal Error
Both WebSocket 1009 (Message Too Big) and 1011 (Internal Error) belong to the WebSocket Close Codes category. 1009 indicates that an endpoint is terminating the connection because it received a message that is too large for it to process. Meanwhile, 1011 means that the server is terminating the connection because it encountered an unexpected condition that prevented it from fulfilling the request.
Descripción
An endpoint is terminating the connection because it received a message that is too large for it to process.
Cuándo lo verás
The message payload exceeded the server's configured maximum frame or message size limit. Common when uploading large files or sending huge JSON payloads over WebSocket.
Cómo solucionarlo
Reduce the message size by chunking large payloads into smaller frames. Alternatively, increase the server's max message size configuration if the large payload is expected.
Descripción
The server is terminating the connection because it encountered an unexpected condition that prevented it from fulfilling the request.
Cuándo lo verás
The server hit an unhandled exception or crashed while processing a WebSocket message. This is the WebSocket equivalent of HTTP 500 Internal Server Error.
Cómo solucionarlo
Check the server-side application logs for stack traces and exceptions. Fix the underlying bug that caused the crash and add proper error handling around message processing.
Diferencias clave
WebSocket 1009: An endpoint is terminating the connection because it received a message that is too large for it to process.
WebSocket 1011: The server is terminating the connection because it encountered an unexpected condition that prevented it from fulfilling the request.
You encounter 1009 when the message payload exceeded the server's configured maximum frame or message size limit. Common when uploading large files or sending huge JSON payloads over WebSocket.
You encounter 1011 when the server hit an unhandled exception or crashed while processing a WebSocket message. This is the WebSocket equivalent of HTTP 500 Internal Server Error.
Cuándo usar cada uno
For 1009 (Message Too Big): Reduce the message size by chunking large payloads into smaller frames. Alternatively, increase the server's max message size configuration if the large payload is expected. For 1011 (Internal Error): Check the server-side application logs for stack traces and exceptions. Fix the underlying bug that caused the crash and add proper error handling around message processing.