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Date: Wed, 22 Jun 2011 21:42:53 +0000 (UTC)
From: "Aaron Baff (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HDFS-1118) DFSOutputStream socket leak when
 cannot connect to DataNode
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     [ https://issues.apache.org/jira/browse/HDFS-1118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aaron Baff updated HDFS-1118:
-----------------------------

    Affects Version/s: 0.21.0

This bug also affects version 0.21.0

> DFSOutputStream socket leak when cannot connect to DataNode
> -----------------------------------------------------------
>
>                 Key: HDFS-1118
>                 URL: https://issues.apache.org/jira/browse/HDFS-1118
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.20.1, 0.20.2, 0.20-append, 0.21.0
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>             Fix For: 0.20-append, 0.22.0
>
>         Attachments: HDFS-1118.1.patch, HDFS-1118.2.patch, trunkPatch.txt
>
>
> The offending code is in {{DFSOutputStream.nextBlockOutputStream}}
> This function retries several times to call {{createBlockOutputStream}}. Each time when it fails, it leaves a {{Socket}} object in {{DFSOutputStream.s}}.
> That object is never closed, but overwritten the next time {{createBlockOutputStream}} is called.

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