Re: [Boost-users] [boost.asio] string iterator not dereferencable using message in async_send_to

John Urberg wrote:

I'm using async_send_to to send multicast messages. When I try to send data in a std::string, I always get a 'string iterator not dereferencable' assertion failure. I'm using boost 1.35 and VC9. Here's the code:

// instance variable string buffer;

// code in method buffer = BuildHailMessage(); socket.async_send_to( boost::asio::buffer(buffer), endpoint, boost::bind( &MulticastServer::HandleSendTo, this, boost::asio::placeholders::error));

Do you keep the "buffer" string available until async_send_to has actually completed? / Johan