* Returns the next message, waiting endlessly for it, if need be. If you
* are not sure whether a message will arrive, better use
* {@link #readMessage(long)} to only wait for a specific time.
* Returns the next message, waiting endlessly for it, if need be. If you
* are not sure whether a message will arrive, better use
* {@link #readMessage(long)} to only wait for a specific time.