[HDFS-12556] [SPS] : Block movement analysis should be done in read lock.

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: HDFS-10285, 3.2.0
• Component/s: datanode, namenode
• Assignee: Surendra Singh Lilhore
• Reporter: Surendra Singh Lilhore
• Created: 27/Sep/17 11:00
• Updated: 13/Aug/18 05:39
• Resolved: 14/Oct/17 10:12

Description

2017-09-27 15:58:32,852 [StoragePolicySatisfier] ERROR namenode.StoragePolicySatisfier (StoragePolicySatisfier.java:handleException(308)) - StoragePolicySatisfier thread received runtime exception. Stopping Storage policy satisfier work
java.lang.ArrayIndexOutOfBoundsException: 1
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.getStorages(BlockManager.java:4130)
	at org.apache.hadoop.hdfs.server.namenode.StoragePolicySatisfier.analyseBlocksStorageMovementsAndAssignToDN(StoragePolicySatisfier.java:362)
	at org.apache.hadoop.hdfs.server.namenode.StoragePolicySatisfier.run(StoragePolicySatisfier.java:236)
	at java.lang.Thread.run(Thread.java:745)