Amelchev Nikita created IGNITE-12927:
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Summary: 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
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 .
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