* @exception MessageEOFException Unexpected end of bytes array.
* @exception JMSException internal error
*/
public byte readByte() throws JMSException {
if (! RObody)
throw new MessageNotReadableException("Can't read the message body as"
+ " it is write-only.");
try {
inputStream.mark(inputStream.available());
byte type = inputStream.readByte();
if (type == BYTE)