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Date: Tue, 14 Jun 2011 20:56:47 +0000 (UTC)
From: "Sasha Dolgy (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (CASSANDRA-2768) AntiEntropyService excluding
 nodes that are on version 0.7 or sooner
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    [ https://issues.apache.org/jira/browse/CASSANDRA-2768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13049411#comment-13049411 ] 

Sasha Dolgy commented on CASSANDRA-2768:
----------------------------------------

I can assure you they are all on 0.8.0 if the output of "nodetool version" is correct

cassandra@ip-10-128-34-18:~$ nodetool -h 10.128.34.18 -p 9090 ring
Address         Status State   Load            Owns    Token
                                                       170141183460469231731687303715884105726
10.128.103.148  Up     Normal  1.02 MB         11.22%  19095547144942516281182777765338228798
10.128.94.227   Up     Normal  667.56 KB       22.11%  56713727820156410577229101238628035242
10.128.34.18    Up     Normal  688.1 KB        33.33%  113427455640312821154458202477256070484
10.128.90.109   Up     Normal  1.11 MB         33.33%  170141183460469231731687303715884105726
cassandra@ip-10-128-34-18:~$

cassandra@ip-10-128-34-18:~$ nodetool -h 10.128.34.18 -p 9090 version
ReleaseVersion: 0.8.0
cassandra@ip-10-128-34-18:~$


cassandra@ip-10-128-94-227:~$ nodetool -h 10.128.94.227 -p 9090 version
ReleaseVersion: 0.8.0
cassandra@ip-10-128-94-227:~$


cassandra@ip-10-128-90-109:~$ nodetool -h 10.128.90.109 -p 9090 version
ReleaseVersion: 0.8.0
cassandra@ip-10-128-90-109:~$


cassandra@ip-10-128-103-148:~$ nodetool -h 10.128.103.148 -p 9090 version
ReleaseVersion: 0.8.0
cassandra@ip-10-128-103-148:~$


> AntiEntropyService excluding nodes that are on version 0.7 or sooner
> --------------------------------------------------------------------
>
>                 Key: CASSANDRA-2768
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2768
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.8.0
>         Environment: 4 node environment -- 
> Originally 0.7.6-2 with a Keyspace defined with RF=3
> Upgraded all nodes ( 1 at a time ) to version 0.8.0:  For each node, the node was shut down, new version was turned on, using the existing data files / directories and a nodetool repair was run.  
>            Reporter: Sasha Dolgy
>            Assignee: Brandon Williams
>
> When I run nodetool repair on any of the nodes, the /var/log/cassandra/system.log reports errors similar to:
> INFO [manual-repair-1c6b33bc-ef14-4ec8-94f6-f1464ec8bdec] 2011-06-13 21:28:39,877 AntiEntropyService.java (line 177) Excluding /10.128.34.18 from repair because it is on version 0.7 or sooner. You should consider updating this node before running repair again.
> ERROR [manual-repair-1c6b33bc-ef14-4ec8-94f6-f1464ec8bdec] 2011-06-13 21:28:39,877 AbstractCassandraDaemon.java (line 113) Fatal exception in thread Thread[manual-repair-1c6b33bc-ef14-4ec8-94f6-f1464ec8bdec,5,RMI Runtime]
> java.util.ConcurrentModificationException
>       at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
>       at java.util.HashMap$KeyIterator.next(HashMap.java:828)
>       at org.apache.cassandra.service.AntiEntropyService.getNeighbors(AntiEntropyService.java:173)
>       at org.apache.cassandra.service.AntiEntropyService$RepairSession.run(AntiEntropyService.java:776)
> The INFO message and subsequent ERROR message are logged for 2 nodes .. I suspect that this is because RF=3.  
> nodetool ring shows that all nodes are up.  
> Client connections (read / write) are not having issues..  
> nodetool version on all nodes shows that each node is 0.8.0
> At suggestion of some contributors, I have restarted each node and tried to run a nodetool repair again ... the result is the same with the messages being logged.

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