[HDFS-3454] Balancer unconditionally logs InterruptedException at INFO level on shutdown if security is enabled

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.0.2-alpha
• Component/s: balancer & mover
• Hadoop Flags: Reviewed
• Assignee: Eli Collins
• Reporter: Eli Collins
• Created: 22/May/12 21:06
• Updated: 07/Sep/12 21:09
• Resolved: 23/May/12 16:08

Description

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

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)