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From "Ramya Sunil (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4801) lsSnapshottableDir throws IllegalArgumentException when root is made snapshottable
Date Mon, 06 May 2013 17:34:15 GMT
Ramya Sunil created HDFS-4801:
---------------------------------

             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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