David Capwell created CASSANDRA-17908:
-----------------------------------------
Summary: IllegalArgumentException in Gossiper#order due to
concurrent mutations to elements being applied
Key: CASSANDRA-17908
URL: https://issues.apache.org/jira/browse/CASSANDRA-17908
Project: Cassandra
Issue Type: Bug
Components: Cluster/Gossip
Reporter: David Capwell
Assignee: David Capwell
org.apache.cassandra.gms.Gossiper#order was added due to sub-systems depending
on a happens-before relationship of events even though Gossip does not provide
such ordering… to help out we “order” the events discovered by gossip so we
apply them in a predictable order… This has been found to have issues where we
add the elements into the global state and under some conditions they get
mutated causing ordering to fail
{code}
ERROR 2022-09-01T19:04:24,789 [GossipStage:1]
org.apache.cassandra.service.CassandraDaemon:234 - Exception in thread
Thread[GossipStage:1,5,main]
java.lang.IllegalArgumentException: Comparison method violates its general
contract!
at java.util.TimSort.mergeLo(TimSort.java:777) ~[?:1.8.0_345]
at java.util.TimSort.mergeAt(TimSort.java:514) ~[?:1.8.0_345]
at java.util.TimSort.mergeForceCollapse(TimSort.java:457) ~[?:1.8.0_345]
at java.util.TimSort.sort(TimSort.java:254) ~[?:1.8.0_345]
at java.util.Arrays.sort(Arrays.java:1512) ~[?:1.8.0_345]
at java.util.ArrayList.sort(ArrayList.java:1464) ~[?:1.8.0_345]
at java.util.Collections.sort(Collections.java:177) ~[?:1.8.0_345]
at org.apache.cassandra.gms.Gossiper.order(Gossiper.java:1327)
~[cie-cassandra-3.0.24.41.jar:3.0.24.41]
at org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1334)
~[cie-cassandra-3.0.24.41.jar:3.0.24.41]
at
org.apache.cassandra.gms.GossipDigestAck2VerbHandler.doVerb(GossipDigestAck2VerbHandler.java:49)
~[cie-cassandra-3.0.24.41.jar:3.0.24.41]
at
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:70)
~[cie-cassandra-3.0.24.41.jar:3.0.24.41]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
~[?:1.8.0_345]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_345]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
~[?:1.8.0_345]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
~[?:1.8.0_345]
at
org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:116)
~[cie-cassandra-3.0.24.41.jar:3.0.24.41]
at java.lang.Thread.run(Thread.java:750) [?:1.8.0_345]
{code}
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