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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3639) Exception when closing DFSClient while multiple files are open
Date Fri, 27 Jun 2008 21:27:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12608922#action_12608922
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-3639:
------------------------------------------------

We should remove the map entry from pendingCreates for each name in any case.  So I think
it is better to remove it in the beginning.  Otherwise, if there is an IOException thrown
by out.close(), the entry won't be removed.

> Exception when closing DFSClient while multiple files are open
> --------------------------------------------------------------
>
>                 Key: HADOOP-3639
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3639
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.17.0, 0.18.0
>            Reporter: Benjamin Gufler
>            Assignee: Benjamin Gufler
>            Priority: Blocker
>             Fix For: 0.18.0
>
>         Attachments: patch-dfs-close, patch-dfs-close-v2, patch-dfs-close-v3, patch-dfs-close-v3_1,
patch-dfs-close-v3_2, patch-dfs-close-v3_3
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> DFSClient.close uses an iterator for closing files which are still open. Closing a file
removes that file from the list of open files, which in turn breaks the iterator.

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