By either annotating a bean or its methods, the applicable methods will retry the operation if an EJBTransactionRolledbackException occurs.
@TransactionRetry(numRetries=4, waitTime=1, waitTimeUnit=TimeUnit.SECONDS)

numRetries specifies how many times an operation will be tried.
waitTime specified the amount of time to wait before retrying with the unit of time specified in waitTimeUnit.

Default is 3 retries and 1000 milliseconds wait time after an EJBTransactionRolledbackException.