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Date: Fri, 9 Oct 2015 16:12:26 +0000 (UTC)
From: "Wei-Chiu Chuang (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12901701.1443647281000.70038.1444407146963@Atlassian.JIRA>
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Subject: [jira] [Updated] (HDFS-9181) Better handling of exceptions thrown
 during upgrade shutdown
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     [ https://issues.apache.org/jira/browse/HDFS-9181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei-Chiu Chuang updated HDFS-9181:
----------------------------------
    Attachment: HDFS-9181.005.patch

Refactor shutdown() to reduce its length.

> 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
>         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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