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https://issues.apache.org/jira/browse/CASSANDRA-6966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sylvain Lebresne updated CASSANDRA-6966:
----------------------------------------
Reviewer: Aleksey Yeschenko
> Errors with Super Columns, mixup of 1.2 and 2.0
> -----------------------------------------------
>
> Key: CASSANDRA-6966
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6966
> Project: Cassandra
> Issue Type: Bug
> Reporter: Nicolas Lalevée
> Assignee: Sylvain Lebresne
> Fix For: 2.0.7
>
> Attachments: 6966.txt
>
>
> On our test cluster, we tried a upgrade of Cassandra from 1.2.11 to 2.0.6.
> During the time we were running with 2 different versions of cassandra, there
> was errors in the logs:
> ERROR [WRITE-/10.10.0.41] 2014-03-19 11:23:27,523 OutboundTcpConnection.java
> (line 234) error writing to /10.10.0.41
> java.lang.RuntimeException: Cannot convert filter to old super column format.
> Update all nodes to Cassandra 2.0 first.
> at
> org.apache.cassandra.db.SuperColumns.sliceFilterToSC(SuperColumns.java:357)
> at
> org.apache.cassandra.db.SuperColumns.filterToSC(SuperColumns.java:258)
> at
> org.apache.cassandra.db.ReadCommandSerializer.serializedSize(ReadCommand.java:192)
> at
> org.apache.cassandra.db.ReadCommandSerializer.serializedSize(ReadCommand.java:134)
> at org.apache.cassandra.net.MessageOut.serialize(MessageOut.java:116)
> at
> org.apache.cassandra.net.OutboundTcpConnection.writeInternal(OutboundTcpConnection.java:251)
> at
> org.apache.cassandra.net.OutboundTcpConnection.writeConnected(OutboundTcpConnection.java:203)
> at
> org.apache.cassandra.net.OutboundTcpConnection.run(OutboundTcpConnection.java:151)
> I confirm we do have old style super columns which were designed when
> cassandra was 1.0.x.
> Since in our test cluster the replication factor is 1, I can see errors on
> the client side, since 1 node among 2 was down. So I don't know for sure if
> this error in cassandra affected the client, the time frame is too short to
> be sure from the logs.
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