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https://issues.apache.org/jira/browse/HDFS-5493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kousuke Saruta updated HDFS-5493:
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Attachment: HDFS-5493.patch
Sorry, I attached a wrong patch and I've re-submitted.
> DFSClient#DFSInputStream#blockSeekTo may leak socket connection.
> ----------------------------------------------------------------
>
> Key: HDFS-5493
> URL: https://issues.apache.org/jira/browse/HDFS-5493
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 1.2.1
> Reporter: Chris Nauroth
> Attachments: HDFS-5493.patch
>
>
> {{DFSClient#DFSInputStream#blockSeekTo}} may handle {{IOException}} by
> refetching a new block access token and then reattempting {{fetchBlockAt}}.
> However, {{fetchBlockAt}} may then throw its own {{IOException}}. If this
> happens, then the method skips calling {{Socket#close}}. This is likely to
> manifest as a leak of sockets left in CLOSE_WAIT status.
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