question: @ ExceptionHandler ( TypeNotFoundException . class ) @ ResponseStatus ( value = HttpStatus . NOT_FOUND ) public @ ResponseBody ErrorResponse resolveTypeDescriptorNotFoundException ( TypeNotFoundException e ) throws IOException { if ( logger . isLoggable ( Level . FINE ) ) logger . fine ( "type descriptor for typeName: " + e . getTypeName ( ) + " not found, returning error response" ) ; return new ErrorResponse ( new ErrorMessage ( "Type: " + e . getTypeName ( ) + " is not registered in space" ) ) ; }
target:  TypeNotFoundException Handler, returns an error response to the client