[MAPREDUCE-3364] Job executed through ftp file system is failing with "java.io.IOException: Seek not supported"

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: mrv2
• Assignee: Unassigned
• Reporter: Ramgopal N
• Created: 07/Nov/11 10:32
• Updated: 17/Mar/16 23:21

Description

Instead of hdfs file as input to the job,i have given local file through ftp as input and executed a job.The job is failing with ERROR
Error: java.io.IOException: Seek not supported
at org.apache.hadoop.fs.ftp.FTPInputStream.seek(FTPInputStream.java:60)
at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:47)
at org.apache.hadoop.mapreduce.lib.input.LineRecordReader.initialize(LineRecordReader.java:117)
at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:484)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:710)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:328)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:147)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1152)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:142)

The same job is successfully getting executed in V1.