[HDFS-5994] Fix TestDataNodeRollingUpgrade failure

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: HDFS-5535 (Rolling upgrades)
• Fix Version/s: HDFS-5535 (Rolling upgrades)
• Component/s: datanode
• Hadoop Flags: Reviewed
• Assignee: Arpit Agarwal
• Reporter: Arpit Agarwal
• Created: 21/Feb/14 21:33
• Updated: 21/Feb/14 22:40
• Resolved: 21/Feb/14 22:40

Description

Link to Jenkins precommit run for HDFS-5535.

Failure exception:

org.apache.hadoop.hdfs.BlockMissingException: Could not obtain block: BP-1810550394-67.195.138.22-1392967331823:blk_1073741825_1001 file=/TestDataNodeRollingUpgrade1.dat
	at org.apache.hadoop.hdfs.DFSInputStream.chooseDataNode(DFSInputStream.java:883)
	at org.apache.hadoop.hdfs.DFSInputStream.blockSeekTo(DFSInputStream.java:558)
	at org.apache.hadoop.hdfs.DFSInputStream.readWithStrategy(DFSInputStream.java:791)
	at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:838)
	at java.io.DataInputStream.read(DataInputStream.java:83)
	at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:80)
	at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:54)
	at org.apache.hadoop.hdfs.DFSTestUtil.readFileBuffer(DFSTestUtil.java:203)
	at org.apache.hadoop.hdfs.DFSTestUtil.readFile(DFSTestUtil.java:193)
	at org.apache.hadoop.hdfs.server.datanode.TestDataNodeRollingUpgrade.testDatanodeRollingUpgradeWithRollback(TestDataNodeRollingUpgrade.java:166)