Hi everybody,
I’m doing a migration of a webapp which uses EJB 2.1 and CMP from Weblogic
to Tomee 1.7.2.
After rewriting the ejb-jar.xml and doing the right mapping with the
database in the orm.xml the server works quite well on everything regarding
SELECTS and so on, but when I try to create a Bean to be inserted in the
database I get the OutOf Memory - Java Heap error.
Everything, until now, has gone more or less alright but now I’m in one
point I’m blocked and I’m not sure on how to continue.
I’ve done debug on the OpenEJB sources and I’ve found the cause is in the
bean which is being created, in the ejbPostCreate, when it tries to assign a
variable which is another bean.
/**
* The container invokes this method immediately after it calls
ejbCreate.
*/
public void ejbPostCreate(...)
throws javax.ejb.CreateException {
this.setArticle(article); //The out of memory error is right
here
...
}
>From the log I can get the SELECT query that’s is run in the database for
assigning that bean and it returns ~700.000 rows so, my guess is that the
server tries to create all of those objects and that’s why I get that
OutOfMemoryError (it takes a while until I get the error).
If I comment that line and all the set inside of ejbPostCreate it works, but
latter I get quite a lot of NullPointerExceptions because the variables
haven't been initialized.
I’ve set the memory limit to 512Mb and also I’ve also tried to set all the
relations with fetch=LAZY but without success.
Any ideas on what can be the problem? Is the approach of doing the
this.setArticle(...) inside the ejbPostCreate correct or it's deprecated?
Thank you very much for any help or advice you could give me.
Tomás
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