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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3972) Trash emptier fails in secure HA cluster
Date Wed, 26 Sep 2012 21:15:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464169#comment-13464169

Eli Collins commented on HDFS-3972:

Test failures are unrelated:

HDFS-3811 - TestPersistBlocks#TestRestartDfsWithFlush appears to be flaky
HDFS-2434 - TestNameNodeMetrics.testCorruptBlock fails intermittently
HDFS-3948 - TestWebHDFS#testNamenodeRestart is racy
HADOOP-8591- TestZKFailoverController tests time out
> 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
>         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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