TsgcWebSocketHTTPServer › Events › OnException

OnException Event

Fires whenever an unhandled exception is raised while processing a client connection.

Syntax

property OnException: TsgcExceptionEvent;
// TsgcExceptionEvent = procedure(Connection: TsgcWSConnection; E: Exception) of object

Default Value

—

Remarks

OnException is raised whenever an exception escapes internal processing, either on the WebSocket side or while dispatching an HTTP request (OnCommandGet/OnCommandOther, session management, static file serving, HTTP/2 streaming...). The E parameter exposes the exception instance so the application can log the message or react to specific classes. By default a disconnection raises an exception here; set Options.RaiseDisconnectExceptions to False to suppress those disconnect-related exceptions. For HTTP requests the server still returns a 500 response to the client even when the handler logs or swallows the error.

Example

procedure OnException(Connection: TsgcWSConnection; E: Exception);
begin
  WriteLn('#exception: ' + E.Message);
end;

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