[jira] [Updated] (CASSANDRA-17908) IllegalArgumentException in Gossiper#order due to concurrent mutations to elements being applied

2022-10-10 Thread David Capwell (Jira)


 [ 
https://issues.apache.org/jira/browse/CASSANDRA-17908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

David Capwell updated CASSANDRA-17908:
--
  Fix Version/s: 4.2
 (was: 4.1.x)
  Since Version: 4.2
Source Control Link: 
https://github.com/apache/cassandra/commit/af9439bcd781756a0d845215c4c03c5fd8e74b86
 Resolution: Fixed
 Status: Resolved  (was: Ready to Commit)

> 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
>Priority: Normal
> Fix For: 4.2
>
>
> 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) 
> at java.util.TimSort.mergeAt(TimSort.java:514) 
> at java.util.TimSort.mergeForceCollapse(TimSort.java:457) 
> at java.util.TimSort.sort(TimSort.java:254) 
> at java.util.Arrays.sort(Arrays.java:1512) 
> at java.util.ArrayList.sort(ArrayList.java:1464) 
> at java.util.Collections.sort(Collections.java:177) 
> at org.apache.cassandra.gms.Gossiper.order(Gossiper.java:1327) 
> at org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1334) 
> at 
> org.apache.cassandra.gms.GossipDigestAck2VerbHandler.doVerb(GossipDigestAck2VerbHandler.java:49)
>  
> at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:70) 
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  
> at 
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:116)
>  
> at java.lang.Thread.run(Thread.java:750) [?:1.8.0_345]
> {code}



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[jira] [Updated] (CASSANDRA-17908) IllegalArgumentException in Gossiper#order due to concurrent mutations to elements being applied

2022-10-10 Thread Blake Eggleston (Jira)


 [ 
https://issues.apache.org/jira/browse/CASSANDRA-17908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Blake Eggleston updated CASSANDRA-17908:

Status: Ready to Commit  (was: Review In Progress)

+1

> 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
>Priority: Normal
> Fix For: 4.1.x
>
>
> 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) 
> at java.util.TimSort.mergeAt(TimSort.java:514) 
> at java.util.TimSort.mergeForceCollapse(TimSort.java:457) 
> at java.util.TimSort.sort(TimSort.java:254) 
> at java.util.Arrays.sort(Arrays.java:1512) 
> at java.util.ArrayList.sort(ArrayList.java:1464) 
> at java.util.Collections.sort(Collections.java:177) 
> at org.apache.cassandra.gms.Gossiper.order(Gossiper.java:1327) 
> at org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1334) 
> at 
> org.apache.cassandra.gms.GossipDigestAck2VerbHandler.doVerb(GossipDigestAck2VerbHandler.java:49)
>  
> at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:70) 
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  
> at 
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:116)
>  
> at java.lang.Thread.run(Thread.java:750) [?:1.8.0_345]
> {code}



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[jira] [Updated] (CASSANDRA-17908) IllegalArgumentException in Gossiper#order due to concurrent mutations to elements being applied

2022-10-10 Thread Blake Eggleston (Jira)


 [ 
https://issues.apache.org/jira/browse/CASSANDRA-17908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Blake Eggleston updated CASSANDRA-17908:

Reviewers: Blake Eggleston

> 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
>Priority: Normal
> Fix For: 4.1.x
>
>
> 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) 
> at java.util.TimSort.mergeAt(TimSort.java:514) 
> at java.util.TimSort.mergeForceCollapse(TimSort.java:457) 
> at java.util.TimSort.sort(TimSort.java:254) 
> at java.util.Arrays.sort(Arrays.java:1512) 
> at java.util.ArrayList.sort(ArrayList.java:1464) 
> at java.util.Collections.sort(Collections.java:177) 
> at org.apache.cassandra.gms.Gossiper.order(Gossiper.java:1327) 
> at org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1334) 
> at 
> org.apache.cassandra.gms.GossipDigestAck2VerbHandler.doVerb(GossipDigestAck2VerbHandler.java:49)
>  
> at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:70) 
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  
> at 
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:116)
>  
> at java.lang.Thread.run(Thread.java:750) [?:1.8.0_345]
> {code}



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[jira] [Updated] (CASSANDRA-17908) IllegalArgumentException in Gossiper#order due to concurrent mutations to elements being applied

2022-10-10 Thread Blake Eggleston (Jira)


 [ 
https://issues.apache.org/jira/browse/CASSANDRA-17908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Blake Eggleston updated CASSANDRA-17908:

Reviewers: Blake Eggleston, Blake Eggleston  (was: Blake Eggleston)
   Blake Eggleston, Blake Eggleston  (was: Blake Eggleston)
   Status: Review In Progress  (was: Patch Available)

> 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
>Priority: Normal
> Fix For: 4.1.x
>
>
> 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) 
> at java.util.TimSort.mergeAt(TimSort.java:514) 
> at java.util.TimSort.mergeForceCollapse(TimSort.java:457) 
> at java.util.TimSort.sort(TimSort.java:254) 
> at java.util.Arrays.sort(Arrays.java:1512) 
> at java.util.ArrayList.sort(ArrayList.java:1464) 
> at java.util.Collections.sort(Collections.java:177) 
> at org.apache.cassandra.gms.Gossiper.order(Gossiper.java:1327) 
> at org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1334) 
> at 
> org.apache.cassandra.gms.GossipDigestAck2VerbHandler.doVerb(GossipDigestAck2VerbHandler.java:49)
>  
> at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:70) 
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  
> at 
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:116)
>  
> at java.lang.Thread.run(Thread.java:750) [?:1.8.0_345]
> {code}



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[jira] [Updated] (CASSANDRA-17908) IllegalArgumentException in Gossiper#order due to concurrent mutations to elements being applied

2022-09-20 Thread David Capwell (Jira)


 [ 
https://issues.apache.org/jira/browse/CASSANDRA-17908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

David Capwell updated CASSANDRA-17908:
--
Description: 
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) 
at java.util.TimSort.mergeAt(TimSort.java:514) 
at java.util.TimSort.mergeForceCollapse(TimSort.java:457) 
at java.util.TimSort.sort(TimSort.java:254) 
at java.util.Arrays.sort(Arrays.java:1512) 
at java.util.ArrayList.sort(ArrayList.java:1464) 
at java.util.Collections.sort(Collections.java:177) 
at org.apache.cassandra.gms.Gossiper.order(Gossiper.java:1327) 
at org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1334) 
at 
org.apache.cassandra.gms.GossipDigestAck2VerbHandler.doVerb(GossipDigestAck2VerbHandler.java:49)
 
at 
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:70) 
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
at 
org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:116)
 
at java.lang.Thread.run(Thread.java:750) [?:1.8.0_345]
{code}

  was:
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}


> 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
>Priority: Normal
> Fix For: 4.1.x
>
>
> 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 

[jira] [Updated] (CASSANDRA-17908) IllegalArgumentException in Gossiper#order due to concurrent mutations to elements being applied

2022-09-20 Thread David Capwell (Jira)


 [ 
https://issues.apache.org/jira/browse/CASSANDRA-17908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

David Capwell updated CASSANDRA-17908:
--
Test and Documentation Plan: existing tests
 Status: Patch Available  (was: Open)

> 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
>Priority: Normal
> Fix For: 4.1.x
>
>
> 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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[jira] [Updated] (CASSANDRA-17908) IllegalArgumentException in Gossiper#order due to concurrent mutations to elements being applied

2022-09-20 Thread David Capwell (Jira)


 [ 
https://issues.apache.org/jira/browse/CASSANDRA-17908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

David Capwell updated CASSANDRA-17908:
--
 Bug Category: Parent values: Availability(12983)Level 1 values: Process 
Crash(12992)
   Complexity: Low Hanging Fruit
Discovered By: User Report
Fix Version/s: 4.1.x
 Severity: Critical
   Status: Open  (was: Triage Needed)

> 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
>Priority: Normal
> Fix For: 4.1.x
>
>
> 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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