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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3454) Balancer unconditionally logs InterruptedException at INFO level on shutdown if security is enabled
Date Tue, 22 May 2012 21:07:41 GMT
Eli Collins created HDFS-3454:
---------------------------------

             Summary: Balancer unconditionally logs InterruptedException at INFO level on
shutdown if security is enabled 
                 Key: HDFS-3454
                 URL: https://issues.apache.org/jira/browse/HDFS-3454
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: balancer
    Affects Versions: 2.0.0
            Reporter: Eli Collins
            Assignee: Eli Collins
            Priority: Minor


NameNodeConnector#close intrrupts the keyupdaterthread on shutdown so you always see the following
on shutdown:

{noformat}
The cluster is balanced. Exiting...
12/04/23 23:23:12 INFO balancer.Balancer: InterruptedException in block key updater thread
java.lang.InterruptedException: sleep interrupted
	at java.lang.Thread.sleep(Native Method)
	at org.apache.hadoop.hdfs.server.balancer.NameNodeConnector$BlockKeyUpdater.run(NameNodeConnector.java:200)
	at java.lang.Thread.run(Thread.java:662)
{noformat}


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