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Date: Wed, 30 Sep 2015 21:08:04 +0000 (UTC)
From: "Wei-Chiu Chuang (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Created] (HDFS-9181) Better handling of exceptions thrown
 during upgrade shutdown
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Wei-Chiu Chuang created HDFS-9181:
-------------------------------------

             Summary: 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


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 way.

One way to handle it is by emitting a warning message. There could exist other ways to handle it. This lira is created to discuss how to handle this case better.


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