fier">set_exception_handler</span></code>
            method, this function will be called with no arguments from a <code class="computeroutput"><span class="keyword">catch</span></code> block if an exception occurs during
            record processing in the backend or during the sink-specific filtering.
            The exception handler is free to rethrow an exception or to suppress
            it. In the former case the exception is propagated to the core, where
            another layer of exception han