[infinispan-issues] [JBoss JIRA] (ISPN-2300) Versioned Transactional Cache issues

[Mircea Markus (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-2300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mircea Markus updated ISPN-2300:
--------------------------------

        Status: Resolved  (was: Pull Request Sent)
    Resolution: Done

    
> Versioned Transactional Cache issues
> ------------------------------------
>
>                 Key: ISPN-2300
>                 URL: https://issues.jboss.org/browse/ISPN-2300
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 5.2.0.Alpha3
>            Reporter: Pedro Ruivo
>            Assignee: Galder Zamarreño
>            Priority: Critical
>              Labels: Commands, Conditional, Transactions, Version
>             Fix For: 5.2.0.CR2, 5.2.0.Final
>
>
> Description from http://lists.jboss.org/pipermail/infinispan-dev/2012-September/011205.html
> 1) testPutIfAbsent, testRemoveIfPresent, testReplaceWithOldVal (methods 
> the test cases)
> In this tests, it was updating the cache entry with a null version. This 
> originates later a IllegalStateException when it tries to perform the 
> write skew check and the version is null.
> I have fixed this problem in this way: if the command fails (PutCommand, 
> RemoveCommand, ReplaceCommand), I unset the flag CHANGED in the 
> MvccEntry to avoid to update the entry in the DataContainer.
> 2) testClear in distributed mode
> I have no clear idea how to solve this problem but it looks like the 
> PrepareCommand (with the ClearCommand) is not sent to all the nodes in 
> the cluster. Then, when I do a get, a remote get is performed and the 
> key is still there. I think that it is not the desired behavior.
> 3) testRemoveUnexistingEntry
> In this test, it tries to remove a key that does not exists but it does 
> not success due to a NullPointerException. I have looked deeper and I 
> check that the transaction's lookup entries map has an entry with [key 
> => null] and when it tries to perform the write skew check in that key, 
> a NullPointerException is thrown in here [2] (line 80, WriteSkewHelper)
> [1] https://github.com/pruivo/infinispan/tree/t_replace_fix
> [2] https://github.com/pruivo/infinispan/blob/t_replace_fix/core/src/main/java/org/infinispan/transaction/WriteSkewHelper.java#L80

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