[jboss-user] [JBoss Cache: Core Edition] - Re: JPA/Hibernate JBC usage

"zeravlai" wrote : 1- If the transaction already has a read lock on the entity (which is acquired by an EntityManager.find() ) the read lock will be INMEDIATELY upgraded to write lock, EVEN if there's a concurrent transaction which already has a read lock on the same entity. | Can you confirm that this is with R_R or R_C? Also, could you pls confirm the JBC version used and that you are using pessimistic locking? Do you also have this problem with MVCC? Cheers Manik View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4223255#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...