[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-1956) Interceptor.afterTransactionCompletion not called with JTATransaction (CacheSynchronization.hibernateTransaction not set)

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole resolved HHH-1956.
---------------------------------

    Resolution: Fixed

trunk / 3.2

the code which registers the Hibernate synch was changed to also now create a Hibernate Transaction instance at the same time...

> Interceptor.afterTransactionCompletion not called with JTATransaction (CacheSynchronization.hibernateTransaction not set)
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HHH-1956
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1956
>             Project: Hibernate3
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.1.2
>         Environment: JBoss 4.0.3SP1 under Windows XP
>            Reporter: Eric Sword
>            Assignee: Steve Ebersole
>             Fix For: 3.2.6, 3.3
>
>
> interceptor.afterTransactionCompletion should be invoked in SessionImpl.afterTransactionCompletion, but it is only called if the tx parameter is not null.  When running under a JTA environment, that parameter will always be null.  This is the stack which leads to the call (line numbers are from v3.1.2 code):
> org.hibernate.impl.SessionImpl.afterTransactionCompletion(boolean, org.hibernate.Transaction) line: 442
> org.hibernate.jdbc.JDBCContext.afterTransactionCompletion(boolean, org.hibernate.Transaction) line: 205
> org.hibernate.transaction.CacheSynchronization.afterCompletion(int) line: 85
> org.jboss.tm.TransactionImpl.doAfterCompletion() line: 1508
> org.jboss.tm.TransactionImpl.completeTransaction() line: 1180
> org.jboss.tm.TransactionImpl.commit() line: 359
> org.jboss.tm.TxManager.commit() line: 224
> org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit() line: 126
> org.hibernate.transaction.JTATransaction.commit() line: 146
> The problem is that the hibernateTransaction member variable of the CacheSynchronization object is never set.  Here is the call stack for how that object is created:
> org.hibernate.transaction.CacheSynchronization.<init>(org.hibernate.transaction.TransactionFactory$Context, org.hibernate.jdbc.JDBCContext, javax.transaction.Transaction, org.hibernate.Transaction) line: 34
> org.hibernate.jdbc.JDBCContext.registerSynchronizationIfPossible() line: 149
> org.hibernate.transaction.JTATransaction.begin() line: 102
> org.hibernate.impl.SessionImpl.beginTransaction() line: 1309
> com.osc.util.hibernate.HibernateManager.getSession(org.hibernate.Interceptor) line: 204
> You can see in the JDBCContext.registerSynchronizationIfPossible() method that the parameter to set the transaction is always null, even though the JDBCContext object does have a reference to the hibernateTransaction at that point.  The CacheSynchronization only uses that reference for beforeTransactionCompletion and afterTransactionCompletion calls.  The beforeTransactionCompletion works because the SessionImpl.beforeTransactionCompletion call doesn't check if the tx is null, while the afterTransactionCompletion does.

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