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Posted to issues@ignite.apache.org by "Amelchev Nikita (Jira)" <ji...@apache.org> on 2020/04/21 15:21:00 UTC

[jira] [Updated] (IGNITE-12927) The CacheGroupsMetricsRebalanceTest.testRebalancingLastCancelledTime is flacky

     [ https://issues.apache.org/jira/browse/IGNITE-12927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amelchev Nikita updated IGNITE-12927:
-------------------------------------
    Description: 
The {{CacheGroupsMetricsRebalanceTest.testRebalancingLastCancelledTime}} is flacky.
[TC history.|https://ci.ignite.apache.org/project.html?projectId=IgniteTests24Java8&testNameId=-448222889376376497&branch=%3Cdefault%3E&tab=testDetails]

{noformat}
java.lang.IllegalStateException: Duplicate key 1472820775 (attempted merging values 1472820775 and 1472820775)
	at java.base/java.util.stream.Collectors.duplicateKeyException(Collectors.java:133)
	at java.base/java.util.stream.Collectors.lambda$uniqKeysMapAccumulator$1(Collectors.java:180)
	at java.base/java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
	at java.base/java.util.stream.IntPipeline$1$1.accept(IntPipeline.java:180)
	at java.base/java.util.Random$RandomIntsSpliterator.forEachRemaining(Random.java:1044)
	at java.base/java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:699)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
	at org.apache.ignite.internal.processors.cache.CacheGroupsMetricsRebalanceTest.testRebalancingLastCancelledTime(CacheGroupsMetricsRebalanceTest.java:315)
{noformat}
The reason is that randomly generated keys can be duplicated and cant be collected from stream . 

  was:
The {{CacheGroupsMetricsRebalanceTest.testRebalancingLastCancelledTime}} is flacky.
[TC history.|https://ci.ignite.apache.org/project.html?projectId=IgniteTests24Java8&testNameId=-448222889376376497&branch=%3Cdefault%3E&tab=testDetails]

{noformat}
java.lang.IllegalStateException: Duplicate key 1472820775 (attempted merging values 1472820775 and 1472820775)
	at java.base/java.util.stream.Collectors.duplicateKeyException(Collectors.java:133)
	at java.base/java.util.stream.Collectors.lambda$uniqKeysMapAccumulator$1(Collectors.java:180)
	at java.base/java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
	at java.base/java.util.stream.IntPipeline$1$1.accept(IntPipeline.java:180)
	at java.base/java.util.Random$RandomIntsSpliterator.forEachRemaining(Random.java:1044)
	at java.base/java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:699)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
	at org.apache.ignite.internal.processors.cache.CacheGroupsMetricsRebalanceTest.testRebalancingLastCancelledTime(CacheGroupsMetricsRebalanceTest.java:315)
{noformat}
The reason is that random generated keys can be duplicated and cant be collected from stream . 


> The CacheGroupsMetricsRebalanceTest.testRebalancingLastCancelledTime is flacky
> ------------------------------------------------------------------------------
>
>                 Key: IGNITE-12927
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12927
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Amelchev Nikita
>            Assignee: Amelchev Nikita
>            Priority: Minor
>
> The {{CacheGroupsMetricsRebalanceTest.testRebalancingLastCancelledTime}} is flacky.
> [TC history.|https://ci.ignite.apache.org/project.html?projectId=IgniteTests24Java8&testNameId=-448222889376376497&branch=%3Cdefault%3E&tab=testDetails]
> {noformat}
> java.lang.IllegalStateException: Duplicate key 1472820775 (attempted merging values 1472820775 and 1472820775)
> 	at java.base/java.util.stream.Collectors.duplicateKeyException(Collectors.java:133)
> 	at java.base/java.util.stream.Collectors.lambda$uniqKeysMapAccumulator$1(Collectors.java:180)
> 	at java.base/java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
> 	at java.base/java.util.stream.IntPipeline$1$1.accept(IntPipeline.java:180)
> 	at java.base/java.util.Random$RandomIntsSpliterator.forEachRemaining(Random.java:1044)
> 	at java.base/java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:699)
> 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
> 	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
> 	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
> 	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> 	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
> 	at org.apache.ignite.internal.processors.cache.CacheGroupsMetricsRebalanceTest.testRebalancingLastCancelledTime(CacheGroupsMetricsRebalanceTest.java:315)
> {noformat}
> The reason is that randomly generated keys can be duplicated and cant be collected from stream . 



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