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https://issues.apache.org/jira/browse/CASSANDRA-4370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400966#comment-13400966
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Viktor Kuzmin commented on CASSANDRA-4370:
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1) This code is not enough. Even if key is valid in that expression, it may be
invalid in next statement - I was able to reproduce it on my boxes with
cassandra 1.1.1.
2) We should not close selector at all until server shutdown.
> hsha server may stop responding and will not close selectors
> ------------------------------------------------------------
>
> Key: CASSANDRA-4370
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4370
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.1.1
> Reporter: Viktor Kuzmin
> Assignee: Viktor Kuzmin
> Fix For: 1.1.2
>
> Attachments: hsha.patch
>
>
> Cassandra launches several threads to listen on selectors. There can be
> CancelledKeyException and cassandra will log "Unexpected exception". In that
> case there two problems:
> 1) listener thread will be closed and cassandra will stop after all listener
> threads will stop.
> 2) selector will be not closed
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