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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3972) Trash emptier fails in secure HA cluster
Date Wed, 26 Sep 2012 21:59:09 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464221#comment-13464221

Hudson commented on HDFS-3972:

Integrated in Hadoop-Hdfs-trunk-Commit #2840 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2840/])
    HDFS-3972. Trash emptier fails in secure HA cluster. Contributed by Todd Lipcon (Revision

     Result = SUCCESS
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1390729
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/TrashPolicyDefault.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java

> Trash emptier fails in secure HA cluster
> ----------------------------------------
>                 Key: HDFS-3972
>                 URL: https://issues.apache.org/jira/browse/HDFS-3972
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 3.0.0, 2.0.1-alpha
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>             Fix For: 2.0.2-alpha
>         Attachments: hdfs-3972.txt
> In a secure HA cluster, we're seeing the following issue on the NN when the trash emptier
tries to run:
> WARN org.apache.hadoop.fs.TrashPolicyDefault: Trash can't list homes: java.io.IOException:
Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate
failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to
find any Kerberos tgt)]; Host Details : local host \
> is: "xxxxx"; destination host is: "xxxx":8020;  Sleeping.
> The issue seems to be that the trash emptier thread sends RPCs back to itself, but isn't
wrapped in a doAs. Credit goes to Stephen Chu for discovering this.

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