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Hi i am Using following setup

Spring version 2.0.5 jar
[b]Hibernate version:3.2
Hibernate-annotations- version 3.3.0.ga.jar
Hibernate-entityManager version 3.3.1ga.jar

when i am trying to to lock a row using the annotation
@Transactional(isolation = Isolation.SERIALIZABLE) in Manager giving me the error
"Standard JPA does not support custom isolation levels - use a special JpaDialect "

I am not getting how to implement Pessimistic Lock by using these setup...

Urgent

Thanks in Advance

Solutions to Spring specific features issues are to be answered on their forum

Hi ,
But as far as my knowledge it is better to implement Pessimistic lock in Dao layer.................... can u suggest how we can implement Pessimistic Lock in this layer