[MAPREDUCE-968] NPE in distcp encountered when placing _logs directory on S3FileSystem

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.20.1
• Fix Version/s: 0.21.0
• Component/s: distcp
• Hadoop Flags: Reviewed
• Assignee: Aaron Kimball
• Reporter: Aaron Kimball
• Created: 10/Sep/09 21:31
• Updated: 26/Oct/13 14:10
• Resolved: 14/Sep/09 16:00

Description

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)