Amelchev Nikita created IGNITE-12927: ----------------------------------------
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 . -- This message was sent by Atlassian Jira (v8.3.4#803005)