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https://issues.apache.org/jira/browse/CASSANDRA-10298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14989584#comment-14989584
 ] 

Aleksey Yeschenko commented on CASSANDRA-10298:
-----------------------------------------------

Committed as 
[b6015fa4883182531d66527780fce34c9b125e46|https://github.com/apache/cassandra/commit/b6015fa4883182531d66527780fce34c9b125e46]
 to 2.1, merged with 2.2, 3.0, and trunk.

[~Stefania] [~dikanggu] There was an issue with braces/newlines that went 
against code style, I fixed that on commit. I hope nothing else was overlooked 
though.

> Replaced dead node stayed in gossip forever
> -------------------------------------------
>
>                 Key: CASSANDRA-10298
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10298
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Dikang Gu
>            Assignee: Dikang Gu
>             Fix For: 2.1.x
>
>         Attachments: CASSANDRA-10298.patch
>
>
> The dead node stayed in the nodetool status,
> DN  10.210.165.55                    379.76 GB  256     ?       null
> And in the log, it throws NPE when trying to remove it.
> {code}
> 2015-09-10_06:41:22.92453 ERROR 06:41:22 Exception in thread 
> Thread[GossipStage:1,5,main]
> 2015-09-10_06:41:22.92454 java.lang.NullPointerException: null
> 2015-09-10_06:41:22.92455       at 
> org.apache.cassandra.utils.UUIDGen.decompose(UUIDGen.java:100) 
> 2015-09-10_06:41:22.92455       at 
> org.apache.cassandra.db.HintedHandOffManager.deleteHintsForEndpoint(HintedHandOffManager.java:201)
>  
> 2015-09-10_06:41:22.92455       at 
> org.apache.cassandra.service.StorageService.excise(StorageService.java:1886) 
> 2015-09-10_06:41:22.92455       at 
> org.apache.cassandra.service.StorageService.excise(StorageService.java:1902) 
> 2015-09-10_06:41:22.92456       at 
> org.apache.cassandra.service.StorageService.handleStateLeft(StorageService.java:1805)
> 2015-09-10_06:41:22.92457       at 
> org.apache.cassandra.service.StorageService.onChange(StorageService.java:1473)
>  
> 2015-09-10_06:41:22.92457       at 
> org.apache.cassandra.service.StorageService.onJoin(StorageService.java:2099) 
> 2015-09-10_06:41:22.92457       at 
> org.apache.cassandra.gms.Gossiper.handleMajorStateChange(Gossiper.java:1009) 
> 2015-09-10_06:41:22.92458       at 
> org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:1085) 
> 2015-09-10_06:41:22.92458       at 
> org.apache.cassandra.gms.GossipDigestAck2VerbHandler.doVerb(GossipDigestAck2VerbHandler.java:49)
>  
> 2015-09-10_06:41:22.92458       at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:62) 
> 2015-09-10_06:41:22.92459       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>  ~[na:1.7.0_45]
> 2015-09-10_06:41:22.92460       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>  ~[na:1.7.0_45]
> {code}



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