[MAPREDUCE-3100] distcp with an hftp destination url fails if the destination directory does not exist

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Invalid
• Affects Version/s: 0.20.205.0
• Component/s: distcp
• Assignee: Unassigned
• Reporter: Arpit Gupta
• Created: 27/Sep/11 04:42
• Updated: 27/Sep/11 05:34
• Resolved: 27/Sep/11 05:34

Description

bash-3.2$ bin/hadoop --config HADOOP_CONF_DIR distcp -i hftp://NN_HOST:50070/input_path hftp://NN_HOST:50070/output_path
11/09/27 04:36:01 INFO tools.DistCp: srcPaths=[hftp://hftp://NN_HOST:50070/input_path]
11/09/27 04:36:01 INFO tools.DistCp: destPath=hftp://hftp://NN_HOST:50070/output_path
11/09/27 04:36:02 INFO tools.DistCp: hftp://hftp://NN_HOST:50070/output_path does not exist.
With failures, global counters are inaccurate; consider running with -i
Copy failed: java.io.IOException: Not supported
at org.apache.hadoop.hdfs.HftpFileSystem.mkdirs(HftpFileSystem.java:558)
at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1066)
at org.apache.hadoop.tools.DistCp.setup(DistCp.java:1170)
at org.apache.hadoop.tools.DistCp.copy(DistCp.java:666)
at org.apache.hadoop.tools.DistCp.run(DistCp.java:881)
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:908)

The same command works if instead of hftp default filesystem (hdfs) is used. It creates the dir if it does not exist. We should do the same for hftp. I also suspect that we have this issue with webhdfs.