Reads a signed 8-bit value from the bytes message stream.
 the next byte from the bytes message stream as a signed 8-bit sbyte
| Exception Type | Condition | 
|---|---|
| MessageException | if JMS fails to read the message due to some internal error. | 
| MessageEOFException | if unexpected end of bytes stream has been reached. | 
| MessageNotReadableException | if the message is in write-only mode. | 
IBytesMessage Interface | WebLogic.Messaging Namespace