[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - Re: Transaction is not active

[HoleInOne]

Well, this value is basically to protect you from never ending operations. (deadlocks) 
So fill in a value (in seconds) after which your longest transaction cannot possibly return a valid value. 
For instance: say your longest transaction takes at most 10 minutes to complete. Then, after say 15 minutes, you can be reasonably sure the transaction failed. You fill in 15*60=900 seconds.

Hugo
p.s. this will also mean that a transaction normally taking millisecond to complete will also only timeout after 15 minutes .... A lot can go wrong in 15 minutes.
As a  rule of the thub: always make your transactions as short as possible! Please check to see if you can re-design your application such that you do not need to adjust this value. 

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