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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2117) DiskChecker#mkdirsWithExistsAndPermissionCheck may return true even when the dir is not created
Date Thu, 30 Jun 2011 08:48:29 GMT
DiskChecker#mkdirsWithExistsAndPermissionCheck may return true even when the dir is not created
-----------------------------------------------------------------------------------------------

                 Key: HDFS-2117
                 URL: https://issues.apache.org/jira/browse/HDFS-2117
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: data-node
    Affects Versions: 0.20.203.1
            Reporter: Eli Collins
            Assignee: Eli Collins
            Priority: Minor
         Attachments: hdfs-2117-1.patch

In branch-0.20-security as part of HADOOP-6566, DiskChecker#mkdirsWithExistsAndPermissionCheck
will return true even if it wasn't able to create the directory, which means instead of throwing
a DiskErrorException the code will proceed to getFileStatus and throw a FNF exception. Post
HADOOP-7040, which modified makeInstance to catch not just DiskErrorExceptions but IOExceptions
as well, this is not an issue since now the exception is caught either way. But for future
modifications we should still modify this method to return false if it was unable to create
the directory. This code is totally different in trunk, so not an issue there.

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