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From "Vitaliy Biryukov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-6445) IgniteTxManager.txLocksInfo method misses locks
Date Mon, 02 Oct 2017 13:20:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-6445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187997#comment-16187997
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Vitaliy Biryukov commented on IGNITE-6445:
------------------------------------------

[~agura], [Upsource Test|https://reviews.ignite.apache.org/ignite/review/IGNT-CR-355?filePath=/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxOptimisticDeadlockDetectionTest.java]
TxOptimisticDeadlockDetectionTest#testDeadlocksPartitionedNearTxOnPrimary in my commit reproduce
this bug with a probability of 99%(based on HashMap order).


> IgniteTxManager.txLocksInfo method misses locks
> -----------------------------------------------
>
>                 Key: IGNITE-6445
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6445
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.2
>            Reporter: Vitaliy Biryukov
>            Assignee: Vitaliy Biryukov
>             Fix For: 2.3
>
>
> In some cases "IgniteTxManager.txLocksInfo" method (searches for locks) misses locks.
> For example:
> # In case of a configuration with near cache, entries are created for the near cache
and for the ordinal cache. For each entry, their own MVCC candidates are created.
> # For non-custom objects of type (Integer, etc.), the entry stored in "GridNearTxLocal"
is not associated with MVCC candidates with which the same entity is associated in another
format stored in "GridDhtTxLocal"



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