Hi
I'm writing an application that processes a huge amount of data. I want to kick
this off in the middle of the night with a timer service inside of the app
server so that the slsb can chew on the problem set for a few hours and shove
data into the database when needed.
Now, the issue is the transaction times out. It's a bad idea to extend the
transaction timeout to hours, so I figured I would bracket the database work by
opening and closing the transaction (since I know where the delimiters are).
Ok, so Seam isn't letting me do things like:
| while(moreDataToProcess) {
| someProcessing();
|
| entityManager.getTransaction().begin();
| ...
| entityManager.persist(obj);
| entityManager.getTransaction().commit();
|
| otherProcessing();
| }
|
giving an error of:
ERROR [org.jboss.ejb.txtimer.TimerImpl] Error invoking ejbTimeout:
javax.ejb.EJBException: java.lang.IllegalStateException: Illegal to call this
method from injected, managed EntityManage
There must be a way to tell Seam to quick trying to control the transaction
inside of a particular slsb (or for the whole app server) - but for the life of
me I can't find documentation or posts on how to do that.
Any pointers to docs or posts, or comments on how to approach this?
Thanks,
Greg
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