Stop message being redelivered to MDB

Consider the following scenario :

I have a MDB that receives a message. On receiving this message is triggers a series of operations.Some calls are isolated in EJB's that have Requires_New as a transaction attribute and they开发者_运维百科 all succeed. At the very end of the transaction I call sessionContext.setRollbackOnly().

Will this cause the message to be redelivered again to the MDB ?

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It depends what acknowledge mode you use with your mdb session. You can see a full article regarding this topic here