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Need Complete Example in EJB3 Tresaction Handling

Eranga Kodikara
Posts: 2
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Hello Everyone

Currently i am developing Simple Banking Application in JAVA(EJB3)..so i have problem in Transaction handling in my Application

My scenario :
there is Joint A/C access tow users at same time different Machine

User A Withdraw money
User B also Withdraw money and also ..My Database updated

There is Sequence Number in master Transaction Table inside my Database
it is increment every transaction will happen

in my Current System if Both of user perform a transaction ... my sequence number is Duplicate

so how can i overcome above kind of problem please help me

Is there any sample code or application



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