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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3256) AssertionError when repairing a node
Date Mon, 26 Sep 2011 13:10:26 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13114645#comment-13114645
] 

Jonathan Ellis commented on CASSANDRA-3256:
-------------------------------------------

+1

> AssertionError when repairing a node
> ------------------------------------
>
>                 Key: CASSANDRA-3256
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3256
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.5
>            Reporter: Jason Harvey
>            Assignee: Sylvain Lebresne
>            Priority: Minor
>              Labels: repair
>             Fix For: 0.8.7
>
>         Attachments: 3256.patch
>
>
> When repairing a node, the following exception was thrown two times:
> {code}
> ERROR [AntiEntropyStage:2] 2011-09-23 23:00:24,016 AbstractCassandraDaemon.java (line
139) Fatal exception in thread Thread[AntiEntropyStage:2,5,main]
> java.lang.AssertionError
>         at org.apache.cassandra.service.AntiEntropyService.rendezvous(AntiEntropyService.java:170)
>         at org.apache.cassandra.service.AntiEntropyService.access$100(AntiEntropyService.java:90)
>         at org.apache.cassandra.service.AntiEntropyService$TreeResponseVerbHandler.doVerb(AntiEntropyService.java:518)
>         at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:59)
>         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:662)
> {code}
> No other errors occurred on the node. From peeking at the code, this assertion appears
to simply check if an existing repair session could be found. Interestingly, the repair did
continue to run after this as evidenced by several other AntiEntropyService entires in the
log.
> 8 node ring with an RF of 3, if that matters at all. No other nodes in the ring threw
exceptions.

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