Olivier Delalleau created HDFS-8761:
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Summary: Windows HDFS daemon - datanode.DirectoryScanner: Error
compiling report (...) XXX is not a prefix of YYY
Key: HDFS-8761
URL: https://issues.apache.org/jira/browse/HDFS-8761
Project: Hadoop HDFS
Issue Type: Bug
Components: HDFS
Affects Versions: 2.7.1
Environment: Windows 7, Java SDK 1.8.0_45
Reporter: Olivier Delalleau
Priority: Minor
I'm periodically seeing errors like the one below output by the HDFS daemon
(started with start-dfs.cmd). This is with the default settings for data
location. I assume it may be fixable by specifying a path with the drive letter
in the config file, however I haven't be able to do that (see
http://stackoverflow.com/questions/31353226/setting-hadoop-tmp-dir-on-windows-gives-error-uri-has-an-authority-component).
15/07/11 17:29:57 ERROR datanode.DirectoryScanner: Error compiling report
java.util.concurrent.ExecutionException: java.lang.RuntimeException:
\tmp\hadoop-odelalleau\dfs\data is not a prefix of
D:\tmp\hadoop-odelalleau\dfs\data\current\BP-1474392971-10.128.22.110-1436634926842\current\finalized\subdir0\subdir0\blk_1073741825
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:566)
at org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.scan(Director
yScanner.java:425)
at org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.reconcile(Dir
ectoryScanner.java:406)
at org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.run(Directory
Scanner.java:362)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:51
1)
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