[jbosscache-issues] [JBoss JIRA] Created: (JBCACHE-1408) Optimistic locking + JDBC cache loader + DataSources

[Mircea Markus (JIRA)]

Optimistic locking + JDBC cache loader + DataSources
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                 Key: JBCACHE-1408
                 URL: https://jira.jboss.org/jira/browse/JBCACHE-1408
             Project: JBoss Cache
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 3.0.0.ALPHA1, 2.2.0.GA
            Reporter: Mircea Markus
            Assignee: Manik Surtani


CacheStoreInterceptor.handleCommitCommand calls CacheStoreInterceptor.storeInternalState.
In the optimistic scenario, this will try to add the version of the node (internal state) to the previously stored nodes (nodes are being called in handlePrepareCommand). 
The problem is that handleCommitCommand is called in an transaction having the status Status.COMMITTED, and when trying to fetch a Connection, org.jboss.resource.connectionmanager.TxConnectionManager checks for current tx status and throws an exception if running tx is not active. 
Solution: move the code which stores additional info in handlePrepareCommand. This should also bring important performance gains, as for each node a new DB call is made in order to add the version (see CacheStoreInterceptor.storeInternalState).

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