[HBASE-6686] HFile Quarantine fails with missing dirs in hadoop 2.0

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.92.2, 0.94.2, 0.95.2
• Fix Version/s: 0.94.2
• Component/s: hbck
• Hadoop Flags: Reviewed
• Assignee: Jonathan Hsieh
• Reporter: Jonathan Hsieh
• Created: 29/Aug/12 19:13
• Updated: 07/Apr/13 04:54
• Resolved: 29/Aug/12 22:58

Description

Two unit tests fail because listStatus's semantics change between hadoop 1.0 and hadoop 2.0. (specifically – hadoop 1.0 returns empty array if used on dir that does not exist, but hadoop 2.0 throws FileNotFoundException).

here's the exception:

2012-08-28 16:01:19,789 WARN  [Thread-3155] hbck.HFileCorruptionChecker(230): Failed to quaratine an HFile in regiondir hdfs://localhost:38096/user/jenkins/hbase/testQuarantineMissingFamdir/34b2e072b33052bf4875f85513e9c669
java.io.FileNotFoundException: File hdfs://localhost:38096/user/jenkins/hbase/testQuarantineMissingFamdir/34b2e072b33052bf4875f85513e9c669/fam does not exist.
	at org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFileSystem.java:406)
	at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1341)
	at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1381)
	at org.apache.hadoop.hbase.util.hbck.HFileCorruptionChecker.checkColFamDir(HFileCorruptionChecker.java:152)
	at org.apache.hadoop.hbase.util.TestHBaseFsck$2$1.checkColFamDir(TestHBaseFsck.java:1401)
	at org.apache.hadoop.hbase.util.hbck.HFileCorruptionChecker.checkRegionDir(HFileCorruptionChecker.java:185)
	at org.apache.hadoop.hbase.util.hbck.HFileCorruptionChecker$RegionDirChecker.call(HFileCorruptionChecker.java:267)
	at org.apache.hadoop.hbase.util.hbck.HFileCorruptionChecker$RegionDirChecker.call(HFileCorruptionChecker.java:258)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)

Issue Links

• relates to: HBASE-6691 HFile quarantine fails with missing files in hadoop 2.0