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Posted to commits@cassandra.apache.org by "Jonathan Ellis (Resolved) (JIRA)" <ji...@apache.org> on 2011/10/13 23:54:12 UTC

[jira] [Resolved] (CASSANDRA-3014) AnitEntropy/MerkleTree Error

     [ https://issues.apache.org/jira/browse/CASSANDRA-3014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis resolved CASSANDRA-3014.
---------------------------------------

    Resolution: Cannot Reproduce
    
> AnitEntropy/MerkleTree Error
> ----------------------------
>
>                 Key: CASSANDRA-3014
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3014
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.8.0
>            Reporter: Hefeng Yuan
>            Priority: Minor
>
> Hi,
> We are seeing some AntiEntropy error in our production servers, since it's hard to repro in other env, pasting the stack track here for some clue. 
> We're using a cluster of 2 data centers, 9 nodes, 6 for online traffic, 3 for Brisk BI. Our RF is Cassandra:5, Brisk:1.
> Our Cassandra server version is 0.8.0. Data is written using Hector 0.7.0-20 and cassandra 0.7.2 library.
> Partitioner is random.
> Our nodetool repair is scheduled once per week.
> The exception stack is appended in the end.
> Any help is appreciated.
> Thanks,
> Hefeng
> ERROR [AntiEntropyStage:2] 2011-08-08 04:24:39,556 AbstractCassandraDaemon.java (line 113) Fatal exception in thread Thread[AntiEntropyStage:2,5,main]
> java.lang.AssertionError
> 	at org.apache.cassandra.utils.MerkleTree.inc(MerkleTree.java:154)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:262)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.difference(MerkleTree.java:244)
> 	at org.apache.cassandra.service.AntiEntropyService$Differencer.run(AntiEntropyService.java:458)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:619)
> ERROR [AntiEntropyStage:1] 2011-08-08 04:24:39,580 AbstractCassandraDaemon.java (line 113) Fatal exception in thread Thread[AntiEntropyStage:1,5,main]
> java.lang.AssertionError
> 	at org.apache.cassandra.utils.MerkleTree.inc(MerkleTree.java:154)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:262)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:284)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.differenceHelper(MerkleTree.java:273)
> 	at org.apache.cassandra.utils.MerkleTree.difference(MerkleTree.java:244)
> 	at org.apache.cassandra.service.AntiEntropyService$Differencer.run(AntiEntropyService.java:458)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:619)

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