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https://issues.apache.org/jira/browse/CASSANDRA-8072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14580409#comment-14580409
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Andreas Schnitzerling edited comment on CASSANDRA-8072 at 6/10/15 11:16 AM:
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I tried severel times to switch between 2.0.15 and 2.1.6 (start bootstr at 
2.0.15, stop, copy data to 2.1.6) but 2.1.6 doesn't start probably. One time, 
2.1.6 had seen only other nodes, not himself. Now I deleted all data again on 
that node, removed the node with nodetool and now the bootstrap w/ 2.0.15 works 
well in write survey mode. I'll wait until bootstrap finished and then I try to 
upgrade the same node to 2.1.6 w/ write survey as well. Seems like 2.1.6 is not 
backward compatible bootstrapping to a 2.0.x cluster.


was (Author: andie78):
I tried severel times to switch between 2.0.15 and 2.1.6 (start bootstr at 
2.0.15, stop, copy data to 2.1.6) but 2.1.6 don't start probably. One time, 
2.1.6 have seen only other nodes, not himself. Now I deleted all again on that 
node, removed the node with nodetool and now the bootstrap w/ 2.0.15 works well 
in write survey mode. I'll wait until bootstrap finished and then I try to 
upgrade the same node to 2.1.6 w/ write survey as well. Seems like 2.1.6 is not 
backward compatible bootstrapping to a 2.0.x cluster.

> Exception during startup: Unable to gossip with any seeds
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-8072
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8072
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Ryan Springer
>            Assignee: Brandon Williams
>             Fix For: 2.1.x, 2.0.x
>
>         Attachments: cas-dev-dt-01-uw1-cassandra-seed01_logs.tar.bz2, 
> cas-dev-dt-01-uw1-cassandra-seed02_logs.tar.bz2, 
> cas-dev-dt-01-uw1-cassandra02_logs.tar.bz2, 
> casandra-system-log-with-assert-patch.log, trace_logs.tar.bz2
>
>
> When Opscenter 4.1.4 or 5.0.1 tries to provision a 2-node DSC 2.0.10 cluster 
> in either ec2 or locally, an error occurs sometimes with one of the nodes 
> refusing to start C*.  The error in the /var/log/cassandra/system.log is:
> ERROR [main] 2014-10-06 15:54:52,292 CassandraDaemon.java (line 513) 
> Exception encountered during startup
> java.lang.RuntimeException: Unable to gossip with any seeds
>         at org.apache.cassandra.gms.Gossiper.doShadowRound(Gossiper.java:1200)
>         at 
> org.apache.cassandra.service.StorageService.checkForEndpointCollision(StorageService.java:444)
>         at 
> org.apache.cassandra.service.StorageService.prepareToJoin(StorageService.java:655)
>         at 
> org.apache.cassandra.service.StorageService.initServer(StorageService.java:609)
>         at 
> org.apache.cassandra.service.StorageService.initServer(StorageService.java:502)
>         at 
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:378)
>         at 
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:496)
>         at 
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:585)
>  INFO [StorageServiceShutdownHook] 2014-10-06 15:54:52,326 Gossiper.java 
> (line 1279) Announcing shutdown
>  INFO [StorageServiceShutdownHook] 2014-10-06 15:54:54,326 
> MessagingService.java (line 701) Waiting for messaging service to quiesce
>  INFO [ACCEPT-localhost/127.0.0.1] 2014-10-06 15:54:54,327 
> MessagingService.java (line 941) MessagingService has terminated the accept() 
> thread
> This errors does not always occur when provisioning a 2-node cluster, but 
> probably around half of the time on only one of the nodes.  I haven't been 
> able to reproduce this error with DSC 2.0.9, and there have been no code or 
> definition file changes in Opscenter.
> I can reproduce locally with the above steps.  I'm happy to test any proposed 
> fixes since I'm the only person able to reproduce reliably so far.



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