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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDDS-1013) NPE while listing directories
Date Fri, 25 Jan 2019 20:50:00 GMT
Arpit Agarwal created HDDS-1013:
-----------------------------------

             Summary: NPE while listing directories
                 Key: HDDS-1013
                 URL: https://issues.apache.org/jira/browse/HDDS-1013
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Filesystem
            Reporter: Arpit Agarwal


The following sequence of steps on a fresh ozone install results in an NPE:
{code}
hadoop@50ddd1e1b186:~$ ozone sh volume create /volume1
2019-01-25 20:42:55 INFO  RpcClient:257 - Creating Volume: volume1, with hadoop as owner and
quota set to 1152921504606846976 bytes.

hadoop@50ddd1e1b186:~$ ozone sh bucket create /volume1/bucket1
2019-01-25 20:43:20 INFO  RpcClient:386 - Creating Bucket: volume1/bucket1, with Versioning
false and Storage Type set to DISK

hadoop@50ddd1e1b186:~$ ozone fs -fs o3fs://bucket1.volume1/ -mkdir /dir1
hadoop@50ddd1e1b186:~$ ozone fs -fs o3fs://bucket1.volume1/ -mkdir /dir2
hadoop@50ddd1e1b186:~$ ozone fs -fs o3fs://bucket1.volume1/ -mkdir /dir1/dir11
hadoop@50ddd1e1b186:~$ ozone fs -fs o3fs://bucket1.volume1/ -mkdir /dir2/dir21

hadoop@50ddd1e1b186:~$ ozone fs -fs o3fs://bucket1.volume1/ -ls /
-ls: Fatal internal error
java.lang.NullPointerException
	at org.apache.hadoop.fs.ozone.OzoneFileSystem.innerGetFileStatusForDir(OzoneFileSystem.java:708)
	at org.apache.hadoop.fs.ozone.OzoneFileSystem$ListStatusIterator.addSubDirStatus(OzoneFileSystem.java:553)
	at org.apache.hadoop.fs.ozone.OzoneFileSystem$ListStatusIterator.processKey(OzoneFileSystem.java:530)
	at org.apache.hadoop.fs.ozone.OzoneFileSystem$OzoneListingIterator.iterate(OzoneFileSystem.java:885)
	at org.apache.hadoop.fs.ozone.OzoneFileSystem.listStatus(OzoneFileSystem.java:594)
	at org.apache.hadoop.fs.shell.PathData.getDirectoryContents(PathData.java:269)
	at org.apache.hadoop.fs.shell.Command.recursePath(Command.java:439)
	at org.apache.hadoop.fs.shell.Ls.processPathArgument(Ls.java:226)
	at org.apache.hadoop.fs.shell.Command.processArgument(Command.java:286)
	at org.apache.hadoop.fs.shell.Command.processArguments(Command.java:270)
	at org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:120)
	at org.apache.hadoop.fs.shell.Command.run(Command.java:177)
	at org.apache.hadoop.fs.FsShell.run(FsShell.java:327)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
	at org.apache.hadoop.fs.FsShell.main(FsShell.java:390)
{code}



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