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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9181) Better handling of exceptions thrown during upgrade shutdown
Date Fri, 09 Oct 2015 19:48:06 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14951091#comment-14951091
] 

Hudson commented on HDFS-9181:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #1242 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/1242/])
HDFS-9181. Better handling of exceptions thrown during upgrade shutdown. (yzhang: rev c11fc8a1be222f870cded0b24736387e44cc788c)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeExit.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> Better handling of exceptions thrown during upgrade shutdown
> ------------------------------------------------------------
>
>                 Key: HDFS-9181
>                 URL: https://issues.apache.org/jira/browse/HDFS-9181
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>            Priority: Minor
>              Labels: supportability
>             Fix For: 2.8.0
>
>         Attachments: HDFS-9181.002.patch, HDFS-9181.003.patch, HDFS-9181.004.patch, HDFS-9181.005.patch
>
>
> Previously in HDFS-7533, a bug was fixed by suppressing exceptions during upgrade shutdown.
It may be appropriate as a temporary fix, but it would be better if the exception is handled
in some other ways.
> One way to handle it is by emitting a warning message. There could exist other ways to
handle it. This jira is created to discuss how to handle this case better.
> Thanks to [~templedf] for bringing this up.



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