[HDFS-1252] TestDFSConcurrentFileOperations broken in 0.20-appendj

• Type: Test
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.20-append
• Fix Version/s: 0.20.205.0
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Todd Lipcon
• Reporter: Todd Lipcon
• Created: 19/Jun/10 23:33
• Updated: 19/Oct/11 00:26
• Resolved: 03/Oct/11 21:53

Description

This test currently has several flaws:

• It calls DN.updateBlock with a BlockInfo instance, which then causes java.lang.RuntimeException: java.lang.NoSuchMethodException: org.apache.hadoop.hdfs.server.namenode.BlocksMap$BlockInfo.<init>() in the logs when the DN tries to send blockReceived for the block
• It assumes that getBlockLocations returns an up-to-date length block after a sync, which is false. It happens to work because it calls getBlockLocations directly on the NN, and thus gets a direct reference to the block in the blockmap, which later gets updated

This patch fixes this test to use the AppendTestUtil functions to intiiate recovery, and generally pass more reliably.