[jira] [Created] (IGNITE-4760) Hibernate L2 cache stores value in wrong cache

[Anton Vinogradov (Jira)]

Semen Boikov created IGNITE-4760:
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             Summary: Hibernate L2 cache stores value in wrong cache
                 Key: IGNITE-4760
                 URL: https://issues.apache.org/jira/browse/IGNITE-4760
             Project: Ignite
          Issue Type: Bug
          Components: Hibernate L2 cache
            Reporter: Semen Boikov
             Fix For: 2.0


Issue is reported here:
http://apache-ignite-developers.2346864.n4.nabble.com/issue-with-Hibernate-2L-cache-region-factory-ignite-1-8-td14912.html

First it is necessary add JUnit test reproducing issue (see existing tests in IgniteHibernateTestSuite).

Currently Hibernate access strategies track updates using thread locals, and it looks like updates for different caches can be mixed. I think per-cache thread local can fix issue for HibernateNonStrictAccessStrategy, but per-cache thread local can not be used for HibernateReadWriteAccessStrategy, since it is assumed that all updates should be part of the same cross-cache ignite transaction.

So possible fix:
- use per-cache thread local for HibernateNonStrictAccessStrategy (or somehow track target cache in HibernateNonStrictAccessStrategy)
- use single thread local for HibernateReadWriteAccessStrategy



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