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https://issues.apache.org/jira/browse/HADOOP-9699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13700416#comment-13700416
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Mark Miller commented on HADOOP-9699:
-------------------------------------
Should I refile under the HDFS project, does someone the power to move this
issue, or is it fine to just stick it out here?
> org.apache.hadoop.fs.FileUtil#canRead and canWrite should return false on
> SecurityExceptions.
> ---------------------------------------------------------------------------------------------
>
> Key: HADOOP-9699
> URL: https://issues.apache.org/jira/browse/HADOOP-9699
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Mark Miller
> Priority: Minor
> Attachments: HADOOP-9699.patch
>
>
> Currently, if a security manager denies access on these calls, a
> SecurityException is thrown rather than returning false.
> This causes ugly behavior in MiniDFSCluster#createPermissionsDiagnosisString
> for example. If you are running with a security manager, that method can hide
> root exceptions on you because when it tries to create the permissions
> string, canRead and canWrite can throw security exceptions - the original
> exception is lost, and the problem may not be permissions related at all (it
> wasn't in the case that I ran into this).
> Rather than hardening createPermissionsDiagnosisString, it seems like these
> methods should just treat SecurityExceptions as lack of access.
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