Ice Reference Documentation
<<< Previous | Slice Documentation | Next >>>

# `Ice::TwowayOnlyException`

## Overview

    local exception TwowayOnlyException

This exception is raised if an attempt is made to invoke an operation with `ice_oneway`, `ice_batchOneway`, `ice_datagram`, or `ice_batchDatagram` and the operation has a return value, out parameters, or an exception specification.

### Data Member Index

operation

  The name of the operation that was invoked.

## `operation`

    string operation;

The name of the operation that was invoked.

<<< Previous | Home | Next >>>
`Ice::TimeoutException` | Up | `Ice::UnknownException`