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From "Stanislav Lukyanov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-8486) Update ConcurrentLinkedDeque in Ignite's master repository to the latest JDK version
Date Tue, 15 May 2018 10:44:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-8486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16475647#comment-16475647
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Stanislav Lukyanov commented on IGNITE-8486:
--------------------------------------------

TC seems OK: https://ci.ignite.apache.org/viewLog.html?buildId=1289753&tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_RunAll

[~agura], could you please review?

> Update ConcurrentLinkedDeque in Ignite's master repository to the latest JDK version
> ------------------------------------------------------------------------------------
>
>                 Key: IGNITE-8486
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8486
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Stanislav Lukyanov
>            Assignee: Stanislav Lukyanov
>            Priority: Major
>             Fix For: 2.6
>
>
> Ignite still uses copies of several JSR 166 (j.u.concurrent) classes in it's sources.
Those copies are now outdated compared to the latest versions used in JDK.
> In particular, `ConcurrentLinkedDeque` has received a couple of correctness fixes recently
(https://bugs.openjdk.java.net/browse/JDK-8188900, https://bugs.openjdk.java.net/browse/JDK-8189387).
It would be good to have them in Ignite as well to protect ourselves from possible issues.
> The task is to update Ignite's `ConcurrentLinkedDeque8` to the latest version of `ConcurrentLinkedDeque`,
although keeping compatibility with earlier Java version (e.g. JDK's version now uses Java
9's VarHandles which we can't use yet).



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