[jira] [Commented] (IGNITE-7898) IgniteCachePartitionLossPolicySelfTest is flaky on TC

["Dmitriy Pavlov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-7898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16389454#comment-16389454 ] 

Dmitriy Pavlov commented on IGNITE-7898:
----------------------------------------

Hi [~Jokser], thank you for continuing to improve Ignite.

please consider closing IGNITE-5148 if your new change will help to solve the problem

> IgniteCachePartitionLossPolicySelfTest is flaky on TC
> -----------------------------------------------------
>
>                 Key: IGNITE-7898
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7898
>             Project: Ignite
>          Issue Type: Bug
>          Components: cache
>    Affects Versions: 2.4
>            Reporter: Pavel Kovalenko
>            Assignee: Pavel Kovalenko
>            Priority: Major
>              Labels: MakeTeamcityGreenAgain
>
> Affected tests:
> testReadOnlyAll
> testReadWriteSafe
> Exception:
> {code:java}
> junit.framework.AssertionFailedError: Failed to find expected lost partition [exp=0, lost=[]]
>     at org.apache.ignite.internal.processors.cache.distributed.IgniteCachePartitionLossPolicySelfTest.verifyCacheOps(IgniteCachePartitionLossPolicySelfTest.java:219)
>     at org.apache.ignite.internal.processors.cache.distributed.IgniteCachePartitionLossPolicySelfTest.checkLostPartition(IgniteCachePartitionLossPolicySelfTest.java:166)
>     at org.apache.ignite.internal.processors.cache.distributed.IgniteCachePartitionLossPolicySelfTest.testReadWriteSafe(IgniteCachePartitionLossPolicySelfTest.java:114)
> {code}
> The problem of failure:
> After we prepare topology and shutdown the node containing lost partition we start to check it immediately on all nodes (cache.lostPartitions() method). Sometimes we invoke this method on client node where last PME is not even started and getting empty list of lost partitions because we haven't received it yet on PME.
> Possible solution:
> Wait for PME finishing on all nodes (including client) before start to check for lost partitions.



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