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From "Erick Tryzelaar (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-988) DatacenterEndPointSnitch does not work with RackAwareStrategy
Date Fri, 16 Apr 2010 05:09:26 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857674#action_12857674
] 

Erick Tryzelaar commented on CASSANDRA-988:
-------------------------------------------

It looks like things aren't completely fixed yet. I'm now getting this assertion on a couple
of my nodes:

java.lang.AssertionError
	at org.apache.cassandra.locator.TokenMetadata.removeEndpoint(TokenMetadata.java:192)
	at org.apache.cassandra.locator.TokenMetadata.cloneAfterAllLeft(TokenMetadata.java:296)
	at org.apache.cassandra.service.StorageService.calculatePendingRanges(StorageService.java:725)
	at org.apache.cassandra.service.StorageService.calculatePendingRanges(StorageService.java:703)
	at org.apache.cassandra.service.StorageService.handleStateNormal(StorageService.java:571)
	at org.apache.cassandra.service.StorageService.onChange(StorageService.java:514)
	at org.apache.cassandra.service.StorageService.onJoin(StorageService.java:881)
	at org.apache.cassandra.gms.Gossiper.handleMajorStateChange(Gossiper.java:588)
	at org.apache.cassandra.gms.Gossiper.handleNewJoin(Gossiper.java:563)
	at org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:630)
	at org.apache.cassandra.gms.Gossiper$GossipDigestAck2VerbHandler.doVerb(Gossiper.java:1016)
	at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:41)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:636)


> DatacenterEndPointSnitch does not work with RackAwareStrategy
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-988
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-988
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7, 0.8
>            Reporter: Erick Tryzelaar
>         Attachments: 0001-Rename-AbstractEndpointSnitch-to-AbstractEndPointSni.patch,
0002-Fix-RackAwareStrategy-to-work-with-DatacenterEndPoin.patch
>
>
> RackAwareStrategy explicitly tests for the snitch to be a subclass of EndPointSnitch,
but DatacenterEndPointSnitch doesn't subclass from it, but rather AbstractEndPointSnitch.

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