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https://issues.apache.org/jira/browse/CASSANDRA-13043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16118667#comment-16118667
 ] 

Aleksey Yeschenko commented on CASSANDRA-13043:
-----------------------------------------------

I'll happily review a patch if you fix counter leader election, but will 
unlikely fix it myself soon, sorry.

> UnavailabeException caused by counter writes forwarded to leaders without 
> complete cluster view
> -----------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-13043
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13043
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: Debian
>            Reporter: Catalin Alexandru Zamfir
>
> In version 3.9 of Cassandra, we get the following exceptions on the 
> system.log whenever booting an agent. They seem to grow in number with each 
> reboot. Any idea where they come from or what can we do about them? Note that 
> the cluster is healthy (has sufficient live nodes).
> {noformat}
> 2/14/2016 12:39:47 PMINFO  10:39:47 Updating topology for /10.136.64.120
> 12/14/2016 12:39:47 PMINFO  10:39:47 Updating topology for /10.136.64.120
> 12/14/2016 12:39:47 PMWARN  10:39:47 Uncaught exception on thread 
> Thread[CounterMutationStage-111,5,main]: {}
> 12/14/2016 12:39:47 PMorg.apache.cassandra.exceptions.UnavailableException: 
> Cannot achieve consistency level LOCAL_QUORUM
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.db.ConsistencyLevel.assureSufficientLiveNodes(ConsistencyLevel.java:313)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.AbstractWriteResponseHandler.assureSufficientLiveNodes(AbstractWriteResponseHandler.java:146)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.StorageProxy.performWrite(StorageProxy.java:1054)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.StorageProxy.applyCounterMutationOnLeader(StorageProxy.java:1450)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.db.CounterMutationVerbHandler.doVerb(CounterMutationVerbHandler.java:48)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:64) 
> ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> ~[na:1.8.0_111]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:136)
>  [apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:109) 
> [apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at java.lang.Thread.run(Thread.java:745) 
> [na:1.8.0_111]
> 12/14/2016 12:39:47 PMWARN  10:39:47 Uncaught exception on thread 
> Thread[CounterMutationStage-118,5,main]: {}
> 12/14/2016 12:39:47 PMorg.apache.cassandra.exceptions.UnavailableException: 
> Cannot achieve consistency level LOCAL_QUORUM
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.db.ConsistencyLevel.assureSufficientLiveNodes(ConsistencyLevel.java:313)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.AbstractWriteResponseHandler.assureSufficientLiveNodes(AbstractWriteResponseHandler.java:146)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.StorageProxy.performWrite(StorageProxy.java:1054)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.StorageProxy.applyCounterMutationOnLeader(StorageProxy.java:1450)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.db.CounterMutationVerbHandler.doVerb(CounterMutationVerbHandler.java:48)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:64) 
> ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> ~[na:1.8.0_111]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:136)
>  [apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:109) 
> [apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at java.lang.Thread.run(Thread.java:745) 
> [na:1.8.0_111]
> 12/14/2016 12:39:47 PMWARN  10:39:47 Uncaught exception on thread 
> Thread[CounterMutationStage-164,5,main]: {}
> 12/14/2016 12:39:47 PMorg.apache.cassandra.exceptions.UnavailableException: 
> Cannot achieve consistency level LOCAL_QUORUM
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.db.ConsistencyLevel.assureSufficientLiveNodes(ConsistencyLevel.java:313)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.AbstractWriteResponseHandler.assureSufficientLiveNodes(AbstractWriteResponseHandler.java:146)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.StorageProxy.performWrite(StorageProxy.java:1054)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.StorageProxy.applyCounterMutationOnLeader(StorageProxy.java:1450)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.db.CounterMutationVerbHandler.doVerb(CounterMutationVerbHandler.java:48)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:64) 
> ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> ~[na:1.8.0_111]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:136)
>  [apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:109) 
> [apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at java.lang.Thread.run(Thread.java:745) 
> [na:1.8.0_111]
> 12/14/2016 12:39:47 PMWARN  10:39:47 Uncaught exception on thread 
> Thread[CounterMutationStage-117,5,main]: {}
> 12/14/2016 12:39:47 PMorg.apache.cassandra.exceptions.UnavailableException: 
> Cannot achieve consistency level LOCAL_QUORUM
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.db.ConsistencyLevel.assureSufficientLiveNodes(ConsistencyLevel.java:313)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.AbstractWriteResponseHandler.assureSufficientLiveNodes(AbstractWriteResponseHandler.java:146)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.StorageProxy.performWrite(StorageProxy.java:1054)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.service.StorageProxy.applyCounterMutationOnLeader(StorageProxy.java:1450)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.db.CounterMutationVerbHandler.doVerb(CounterMutationVerbHandler.java:48)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:64) 
> ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> ~[na:1.8.0_111]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
>  ~[apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:136)
>  [apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at 
> org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:109) 
> [apache-cassandra-3.9.jar:3.9]
> 12/14/2016 12:39:47 PM        at java.lang.Thread.run(Thread.java:745) 
> [na:1.8.0_111]
> {noformat}



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