Ramya Sunil created HDFS-4801:
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Summary: lsSnapshottableDir throws IllegalArgumentException when
root is made snapshottable
Key: HDFS-4801
URL: https://issues.apache.org/jira/browse/HDFS-4801
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Ramya Sunil
Fix For: Snapshot (HDFS-2802)
$ hadoop dfsadmin -allowSnapshot /
Allowing snaphot on / succeeded
$ hadoop lsSnapshottableDir
Exception in thread "main" java.lang.IllegalArgumentException: Can not create a
Path from an empty string
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:82)
at org.apache.hadoop.fs.Path.<init>(Path.java:90)
at org.apache.hadoop.fs.Path.<init>(Path.java:45)
at
org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus.getFullPath(SnapshottableDirectoryStatus.java:125)
at
org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus.print(SnapshottableDirectoryStatus.java:166)
at
org.apache.hadoop.hdfs.tools.snapshot.LsSnapshottableDir.main(LsSnapshottableDir.java:55)
Whereas,
$ hadoop dfsadmin -disallowSnapshot /
Disallowing snaphot on / succeeded
$ hadoop lsSnapshottableDir
$
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