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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6631) FileUtil.fullyDelete() should continue to delete other files despite failure at any level.
Date Fri, 12 Mar 2010 10:09:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12844444#action_12844444
] 

Vinod K V commented on HADOOP-6631:
-----------------------------------

We can simply go on with deleting other files/dirs as Ravi suggested.

One of the most common reasons why fullyDelete() fails to delete stuff is the case of non-writable
permissions on directories when issues like MAPREDUCE-896 happen. So, we can go one step further
and try to set writable permissions on failing directories and then try deleting them too.
Completely failure can be only when the files/dirs are themselves non-deletable due to ownerhip
issues. Thoughts?

> FileUtil.fullyDelete() should continue to delete other files despite failure at any level.
> ------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6631
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6631
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs, util
>            Reporter: Vinod K V
>             Fix For: 0.22.0
>
>
> Ravi commented about this on HADOOP-6536. Paraphrasing...
> Currently FileUtil.fullyDelete(myDir) comes out stopping deletion of other files/directories
if it is unable to delete a file/dir(say because of not having permissions to delete that
file/dir) anywhere under myDir. This is because we return from method if the recursive call
"if(!fullyDelete()) {return false;}" fails at any level of recursion.
> Shouldn't it continue with deletion of other files/dirs continuing in the for loop instead
of returning false here ?
> I guess fullyDelete() should delete as many files as possible(similar to 'rm -rf').

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