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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10455) Logging the username when deny the setOwner operation
Date Fri, 28 Oct 2016 03:19:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15614136#comment-15614136
] 

Rakesh R commented on HDFS-10455:
---------------------------------

Thanks [~kihwal] for pointing out the failures, I will fix this asap.

BTW, in the latest trunk code, am getting few compilation errors and broken building.

{code}
[ERROR] Failed to execute goal org.apache.hadoop:hadoop-maven-plugins:3.0.0-alpha2-SNAPSHOT:resource-gz
(resource-gz) on project hadoop-hdfs: org.apache.maven.plugin.MojoExecutionException: java.util.
regex.PatternSyntaxException: Unknown character property name {r} near index 4
[ERROR] C:\Projects\Hdp\t1\hadoop-hdfs-project\hadoop-hdfs\src\main\webapps\static
[ERROR] ^
[ERROR] -> [Help 1]
{code}

> Logging the username when deny the setOwner operation
> -----------------------------------------------------
>
>                 Key: HDFS-10455
>                 URL: https://issues.apache.org/jira/browse/HDFS-10455
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.7.2
>            Reporter: Tianyin Xu
>            Assignee: Tianyin Xu
>            Priority: Minor
>         Attachments: HDFS-10455.000.patch, HDFS-10455.002.patch
>
>
> The attached patch appends the user name in the logging when the setOwner operation is
denied due to insufficient permissions on this user (based on his/her name). 
> The same practice is used in {{FSPermissionChecker}} such as {{checkOwner()}} and {{checkSuperuserPrivilege()}}.
> {code:title=FSDirAttrOp.java|borderStyle=solid}
>        if (!pc.isSuperUser()) {
>          if (username != null && !pc.getUser().equals(username)) {
> -          throw new AccessControlException("Non-super user cannot change owner");
> +          throw new AccessControlException("User " + pc.getUser()
> +              + " is not a super user (non-super user cannot change owner).");
>          }
>          if (group != null && !pc.containsGroup(group)) {
> -          throw new AccessControlException("User does not belong to " + group);
> +          throw new AccessControlException("User " + pc.getUser()
> +              + " does not belong to " + group);
>          }
> {code}



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