[jira] [Updated] (IGNITE-3312) [Test] HadoopMapReduceEmbeddedSelfTest.testMultiReducerWholeMapReduceExecution flakily fails.

["Ivan Veselovsky (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-3312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Veselovsky updated IGNITE-3312:
------------------------------------
         Labels: test  (was: )
    Component/s: IGFS

> [Test] HadoopMapReduceEmbeddedSelfTest.testMultiReducerWholeMapReduceExecution flakily fails.
> ---------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-3312
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3312
>             Project: Ignite
>          Issue Type: Bug
>          Components: IGFS
>            Reporter: Ivan Veselovsky
>            Assignee: Ivan Veselovsky
>              Labels: test
>
> HadoopMapReduceEmbeddedSelfTest.testMultiReducerWholeMapReduceExecution fails with ~20% probability . 
> Failure cause is either the 1st or 2nd marked line in the following code (org.apache.ignite.internal.processors.igfs.IgfsMetaManager#create) :
> {code}
>                             // Check: can we overwrite it?
>                             if (!overwrite)
>                                 throw new IgfsPathAlreadyExistsException("Failed to create a file: " + path); // ***** #1
>                             // Check if file already opened for write.
>                             if (oldInfo.lockId() != null)
>                                 throw new IgfsException("File is already opened for write: " + path); // ***** #2
> {code}
> Diagnostic shows that the same file really attempted to be created several times on one thread.



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