Reads a float from the bytes message stream. 
 the next four bytes from the bytes message stream, interpreted as a float
            
            
| 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