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From "Aaron Kimball (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-968) NPE in distcp encountered when placing _logs directory on S3FileSystem
Date Thu, 10 Sep 2009 21:32:57 GMT
NPE in distcp encountered when placing _logs directory on S3FileSystem

                 Key: MAPREDUCE-968
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-968
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: distcp
    Affects Versions: 0.20.1
            Reporter: Aaron Kimball
            Assignee: Aaron Kimball

If distcp is pointed to an empty S3 bucket as the destination for an s3:// filesystem transfer,
it will fail with the following exception

Copy failed: java.lang.NullPointerException
at org.apache.hadoop.fs.s3.S3FileSystem.makeAbsolute(S3FileSystem.java:121)
at org.apache.hadoop.fs.s3.S3FileSystem.getFileStatus(S3FileSystem.java:332)
at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:633)
at org.apache.hadoop.tools.DistCp.setup(DistCp.java:1005)
at org.apache.hadoop.tools.DistCp.copy(DistCp.java:650)
at org.apache.hadoop.tools.DistCp.run(DistCp.java:857)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.tools.DistCp.main(DistCp.java:884) 

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