dfbd1965_SOA__Java_and_JEE_In_Practice__Backward_Incompatible
[Service Definition] SOAP Attachment [Backward Compatible] Add an optional SOAP Attachment. [Backward Incompatible] 
Change or remove an optional SOAP Attachment. Add, change, or remove a required SOAP Attachment.
SOA, Java and JEE In Practice
Backward Incompatible