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https://issues.apache.org/jira/browse/CASSANDRA-8695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Yeschenko updated CASSANDRA-8695:
-----------------------------------------
Assignee: Chris Lockfort
> thrift column definition list sometimes immutable
> -------------------------------------------------
>
> Key: CASSANDRA-8695
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8695
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Chris Lockfort
> Assignee: Chris Lockfort
> Fix For: 2.1.3
>
> Attachments: cassandra-2.1.2-8695.patch
>
>
> When the input cf_def.column_metadata is null, ColumnDefinition.fromThrift
> can return Collections.emptyList() (which is defined to be an immutable list)
> One caller, CFMetaData.internalFromThrift , incorrectly assumes that this
> list will always be mutable and tries to add to this immutable list, which
> causes the Cassandra server to throw an exception.
> It looks like this is a bug in 2.1, but not in trunk.
> I can include my one-liner patch, but I'm not sure whether it is better to
> fix the caller (to not assume random lists you get back from a method are
> mutable) or the callee (to always return a mutable list).
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