Miklos Molnar [https://community.jboss.org/people/molnarmi] created the 
discussion

"JPA Entity(Hibernate) is not updated with REPL_SYNC cache mode"

To view the discussion, visit: https://community.jboss.org/message/772526#772526

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Dear JBoss users,

 I am using jboss AS 5.0 and I have the following issue :

I am working on POF with having stateless session bean in cluster (round robin) 
in front of the hibernate-jpa. The second level cache is turned on.
I have tried all cache configuration (optimistic-shared, pessimistic-shared, 
optimistic-entity, etc...), but I do experience in all cases that the Entity 
update does not get synced/invalidated on the other node. When a new item is 
added to the cache it is always replicated well, but the entity update does 
not. So this means that on only one node the second level cache is updated on 
the other node the old data remains. So when after the entity update I make the 
call to the session beans on the different nodes they return different data for 
the same entity. On the node which received the entity update call everything 
is fine, however the other node does not receive any notification about the 
update. I turned the org.hibernate.cache log to INFO and I see 
"externalPutRead" command notification when a new item is added to the cache on 
the other node, however I see nothing when the entity is updated by the other 
node. My JPA Entity's cache configuration is TRANSACTIONAL and the JPA 
EntityManager access is done in REQUIRED transaction in the session bean. Do I 
miss anything? 

Thanks for any comment. 

regards, Miklos
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