[infinispan-issues] [JBoss JIRA] (ISPN-7526) Write skew check throws even if the previous value was not read

[Pedro Ruivo (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-7526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pedro Ruivo updated ISPN-7526:
------------------------------
           Status: Resolved  (was: Pull Request Sent)
    Fix Version/s: 9.0.0.Final
       Resolution: Done


> Write skew check throws even if the previous value was not read
> ---------------------------------------------------------------
>
>                 Key: ISPN-7526
>                 URL: https://issues.jboss.org/browse/ISPN-7526
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core, Transactions
>    Affects Versions: 9.0.0.CR2, 8.2.6.Final
>            Reporter: Radim Vansa
>            Assignee: Radim Vansa
>             Fix For: 9.0.0.Final
>
>
> When the entry was overwritten without reading previous value and then we read it (this read is handled from the current context), write skew check is still applied and can fail, despite that it's unnecessary.
> {code:java}
> cache.put("k", "init");
> tm.begin();
> cache.getAdvancedCache().withFlags(Flag.IGNORE_RETURN_VALUES).put("k", "v1");
> assertEquals("v1", cache.put("k", "v2"));
> Transaction tx = tm.suspend();
> assertEquals("init", cache.put("k", "other"));
> tm.resume(tx);
> tm.commit(); // fails with WriteSkewCheckException
> {code}



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