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From "Sylvain Lebresne (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-8903) Super Columns exception during upgrade from C* 1.2.18 to C* 2.0.11
Date Mon, 01 Jun 2015 09:22:17 GMT


Sylvain Lebresne commented on CASSANDRA-8903:

Getting the actual query that produce this would be really helpful as a priori I can't find
any case that would trigger this: The error implies that the filter passed to {{sliceFilterToSC}}
has 1) more than one slice and 2) is reversed. Except that from Thrift, as far as I can tell,
we never generate such filter. We do generate multiple slices in one case, which is for super
column names filter, but we very explicitly set the filter 'not reversed' in that case.

> Super Columns exception during upgrade from C* 1.2.18 to C* 2.0.11
> ------------------------------------------------------------------
>                 Key: CASSANDRA-8903
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Erick Ramirez
>            Assignee: Sylvain Lebresne
> While in the middle of an upgrade of a 12-node cluster, the following errors were constantly
being reported in the logs:
> {noformat}
> ERROR [WRITE-/] 2015-03-02 22:59:12,523 (line 234)
error writing to /xx.xx.xx.xx 
> 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( 
> at org.apache.cassandra.db.SuperColumns.filterToSC( 
> at org.apache.cassandra.db.RangeSliceCommandSerializer.serializedSize(

> at org.apache.cassandra.db.RangeSliceCommandSerializer.serializedSize(

> at 
> at

> at

> at
> {noformat}
> Confirmed that code is accessing cluster via Thrift and not CQL API.
> This issue is very similar to CASSANDRA-6966 but may relate to the way that single slice
and reversed is being handled.

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