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https://issues.apache.org/jira/browse/CASSANDRA-18944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ekaterina Dimitrova updated CASSANDRA-18944:
--------------------------------------------
Resolution: Duplicate
Status: Resolved (was: Open)
> Test failure:
> org.apache.cassandra.simulator.test.ShortPaxosSimulationTest.simulationTest
> -----------------------------------------------------------------------------------------
>
> Key: CASSANDRA-18944
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18944
> Project: Cassandra
> Issue Type: Bug
> Components: Test/unit
> Reporter: Andres de la Peña
> Priority: Normal
> Fix For: 5.0-rc, 5.x
>
>
> The simulator test
> {{org.apache.cassandra.simulator.test.ShortPaxosSimulationTest#simulationTest}}
> is flaky on 5.0 and trunk:
> *
> https://app.circleci.com/pipelines/github/mike-tr-adamson/cassandra/332/workflows/946e28f4-2dec-4384-ac38-de011093f6c6/jobs/25735/tests
> *
> https://app.circleci.com/pipelines/github/adelapena/cassandra/3253/workflows/e48b49e9-cf36-412a-a811-d813031e6f01/jobs/83735/tests
> *
> https://app.circleci.com/pipelines/github/adelapena/cassandra/3254/workflows/69f451ef-fb39-48e4-b1d1-40ee4141b0c1/jobs/83739/tests
> {code}
> org.apache.cassandra.simulator.SimulationException: Failed on seed
> 0xb01206bb3b021127
> Caused by: java.lang.ClassCastException: class
> org.apache.cassandra.net.NoPayload cannot be cast to class
> org.apache.cassandra.gms.GossipShutdown (org.apache.cassandra.net.NoPayload
> and org.apache.cassandra.gms.GossipShutdown are in unnamed module of loader
> org.apache.cassandra.distributed.shared.InstanceClassLoader @68801feb)
> at
> org.apache.cassandra.gms.GossipShutdown$Serializer.serialize(GossipShutdown.java:41)
> at
> org.apache.cassandra.net.Message$Serializer.serialize(Message.java:722)
> at
> org.apache.cassandra.distributed.impl.Instance.serializeMessage(Instance.java:427)
> at
> org.apache.cassandra.distributed.impl.Instance.lambda$registerOutboundFilter$5(Instance.java:370)
> at
> org.apache.cassandra.net.OutboundSink$Filtered.accept(OutboundSink.java:54)
> at org.apache.cassandra.net.OutboundSink.accept(OutboundSink.java:70)
> at
> org.apache.cassandra.net.MessagingService.send(MessagingService.java:449)
> at
> org.apache.cassandra.net.MessagingService.send(MessagingService.java:419)
> at
> org.apache.cassandra.gms.Gossiper.unsafeSendShutdown(Gossiper.java:2634)
> at
> org.apache.cassandra.simulator.cluster.OnInstanceSendShutdown.lambda$invokableSendShutdown$1(OnInstanceSendShutdown.java:48)
> at org.apache.cassandra.concurrent.FutureTask$1.call(FutureTask.java:96)
> at org.apache.cassandra.concurrent.FutureTask.call(FutureTask.java:61)
> at org.apache.cassandra.concurrent.FutureTask.run(FutureTask.java:71)
> at org.apache.cassandra.concurrent.FutureTask$1.call(FutureTask.java:96)
> at
> org.apache.cassandra.concurrent.SyncFutureTask$1.call(SyncFutureTask.java:46)
> at
> org.apache.cassandra.concurrent.SyncFutureTask.run(SyncFutureTask.java:68)
> at
> org.apache.cassandra.simulator.systems.InterceptingExecutor$AbstractSingleThreadedExecutorPlus.lambda$new$0(InterceptingExecutor.java:584)
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.base/java.lang.Thread.run(Thread.java:829)
> {code}
> The test failure can easily be reproduced on CircleCI with:
> {code}
> .circleci/generate.sh -sp \
> -e
> REPEATED_SIMULATOR_DTESTS=org.apache.cassandra.simulator.test.ShortPaxosSimulationTest
> \
> -e REPEATED_SIMULATOR_DTESTS_COUNT=100
> {code}
> Flakiness seems ~18%.
> The test failure is not reported on Butler because simulator tests are not
> run by Jenkins.
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