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From "Jesse Yates (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7465) CleanerChore shouldn't leak IOException for failed delete of non-empty directory
Date Mon, 31 Dec 2012 00:12:12 GMT
Jesse Yates created HBASE-7465:
----------------------------------

             Summary: CleanerChore shouldn't leak IOException for failed delete of non-empty
directory
                 Key: HBASE-7465
                 URL: https://issues.apache.org/jira/browse/HBASE-7465
             Project: HBase
          Issue Type: Bug
          Components: master
    Affects Versions: 0.96.0, 0.94.4
            Reporter: Jesse Yates
            Assignee: Jesse Yates
             Fix For: 0.96.0, 0.94.4


CleanerChore has the following lines:
{code}
    // if all the children have been deleted, then we should try to delete this directory.
However,
    // don't do so recursively so we don't delete files that have been added since we checked.
    return canDeleteThis ? fs.delete(toCheck, false) : false;
{code}

has a race condition where the directory can have a file added underneath of it between being
determined 'ok to delete' and not. As the comment mentions, we don't do a recursive delete
to avoid deleting those files. However, the non-recursive delete of the directory throws an
IOException.

This is from http://search-hadoop.com/m/MUMTb13obDf2/CleanerChore+exception/v=plain

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