[jboss-jira] [JBoss JIRA] (WFLY-3682) SFSB DistributedCache doesn't commit when get(...) and release/discard(...) use different threads

[Paul Ferraro (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-3682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Ferraro updated WFLY-3682:
-------------------------------

    Git Pull Request: https://github.com/wildfly/wildfly/pull/6541, https://github.com/wildfly/wildfly/pull/6543  (was: https://github.com/wildfly/wildfly/pull/6541)


> SFSB DistributedCache doesn't commit when get(...) and release/discard(...) use different threads
> -------------------------------------------------------------------------------------------------
>
>                 Key: WFLY-3682
>                 URL: https://issues.jboss.org/browse/WFLY-3682
>             Project: WildFly
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Clustering
>    Affects Versions: 8.1.0.Final
>            Reporter: Paul Ferraro
>            Assignee: Paul Ferraro
>             Fix For: 8.2.0.CR1, 9.0.0.CR1
>
>
> While investigating failures in org.jboss.as.test.manualmode.ejb.client.cluster.EJBClientClusterConfigurationTestCase following the upgrade to JGroups 3.5, I uncovered a number of critical bugs in the DistributedCache logic.
>  * DistributedCache uses a thread-local stack to store the reference to a Batch across invocations of Cache get/release/discard(...).  Consequently, Infinispan's transaction won't commit if Cache.get(...) was called from a different thread than Cache.release(...) or Cache.discard(...)
>  * The implementation of the Batch SPI uses Infinispan's BatchContainer, which itself relies on thread locals to store references to the Transaction across calls to startBatch()/endBatch().
>  * Once the above issues were address, I got an NPE in InfinispanBeanEntryExternalizer.writeObject(...) when the lastAccessedTime is null (which is the case following creation).



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