Annotation Interface OnError


@Retention(RUNTIME) @Target(METHOD) public @interface OnError
This method level annotation can be used to decorate a Java method that wishes to be called in order to handle errors. See Endpoint.onError(jakarta.websocket.Session, java.lang.Throwable) for a description of the different categories of error.

The method may only take the following parameters:-

  • optional Session parameter
  • a Throwable parameter
  • Zero to n String parameters annotated with the jakarta.websocket.server.PathParam annotation

The parameters may appear in any order.