[jboss-user] [EJB/JBoss] - Atomic process in Local SSB -Urgent !!!!!!!

[sankul123]

Hi ALL,

I have a following process, to be done by (Local)SSB[Stateless Session Bean]-
<atomic operations in a method in SSL>
1. Persist [update] some values in database.
2. Some file operations , write some data to file.
</atomic operations>
I want  both operations to be atomic. My Local SSL EJB is a CMT and its method 'transaction' attribute is marked for new transaction.
void myAtomicProcess(String a, String b)throws MyException{
  | 
  | //1. update db...
  | 
  | //2. update file ...
  | 
  | }

If there is any exception while comitting[at the end of method] , I want to rolback my changes done to file i,e restore the file as it was.

Please help me to achieve this. 

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