Brahma Reddy Battula created HDFS-12319: -------------------------------------------
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. {noformat} 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 {noformat} -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org