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https://issues.apache.org/jira/browse/CASSANDRA-5197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Williams updated CASSANDRA-5197:
----------------------------------------

    Attachment: 5197.txt

If you restart a 1.2 node in a mixed cluster, it assumes all hosts have a 
hostId, but the 1.1 nodes will not.
                
> Loading persisted ring state in a mixed cluster can throw AE
> ------------------------------------------------------------
>
>                 Key: CASSANDRA-5197
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5197
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.2.1
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>             Fix For: 1.2.2
>
>         Attachments: 5197.txt
>
>
> {noformat}
>  INFO 02:07:16,263 Loading persisted ring state
> java.lang.AssertionError
>         at 
> org.apache.cassandra.locator.TokenMetadata.updateHostId(TokenMetadata.java:221)
>         at 
> org.apache.cassandra.service.StorageService.initServer(StorageService.java:451)
>         at 
> org.apache.cassandra.service.StorageService.initServer(StorageService.java:406)
>         at 
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:282)
>         at 
> org.apache.cassandra.service.CassandraDaemon.init(CassandraDaemon.java:315)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at 
> org.apache.commons.daemon.support.DaemonLoader.load(DaemonLoader.java:212)
> {noformat}
> We assume every host has a hostid, but this is not always true.

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