Brahma Reddy Battula created HDFS-12319:
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Summary: DirectoryScanner will throw IllegalStateException when
Multiple BP's are present
Key: HDFS-12319
URL: https://issues.apache.org/jira/browse/HDFS-12319
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Brahma Reddy Battula
Assignee: Brahma Reddy Battula
*Scenario:*
Configure "dfs.datanode.directoryscan.interval" as 60 and start federated
cluster atleast with teo nameservices.
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2017-08-18 19:06:37,150
[java.util.concurrent.ThreadPoolExecutor$Worker@37d68b4e[State = -1, empty
queue]] ERROR datanode.DirectoryScanner
(DirectoryScanner.java:getDiskReport(551)) - Error compiling report for the
volume, StorageId: DS-258b5e16-caa3-48c8-a0c8-b16934eb8a0c
java.util.concurrent.ExecutionException: java.lang.IllegalStateException:
StopWatch is already running
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at
org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.getDiskReport(DirectoryScanner.java:542)
at
org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.scan(DirectoryScanner.java:392)
at
org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.reconcile(DirectoryScanner.java:373)
at
org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.run(DirectoryScanner.java:318)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalStateException: StopWatch is already running
at org.apache.hadoop.util.StopWatch.start(StopWatch.java:49)
at
org.apache.hadoop.hdfs.server.datanode.DirectoryScanner$ReportCompiler.call(DirectoryScanner.java:612)
at
org.apache.hadoop.hdfs.server.datanode.DirectoryScanner$ReportCompiler.call(DirectoryScanner.java:579)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 3 more
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