thanks I modify the java file with old "mapred" API, but there is still error
javac -classpath /usr/lib/hadoop/hadoop-core-0.20.2-cdh3u3.jar:/usr/lib/hadoop/lib/* -d class9 ./*.java ./WholeFileInputFormat.java:16: error: package org.apache.hadoop.mapred.lib.input does not exist import org.apache.hadoop.mapred.lib.input.*; does it because hadoop-0.20.2-cdh3u3 not include "mapred" API? At 2013-03-17 14:22:43,"Harsh J" <ha...@cloudera.com> wrote: >The issue is that Streaming expects the old/stable MR API >(org.apache.hadoop.mapred.InputFormat) as its input format class, but your >WholeFileInputFormat is using the new MR API >(org.apache.hadoop.mapreduce.lib.input.InputFormat). Using the older form >will let you pass. > >This has nothing to do with your version/distribution of Hadoop. > > >On Fri, Mar 15, 2013 at 4:28 PM, Steve Loughran <ste...@hortonworks.com>wrote: > >> On 15 March 2013 09:18, springring <springr...@126.com> wrote: >> >> > Hi, >> > >> > my hadoop version is Hadoop 0.20.2-cdh3u3 and I want to define new >> > InputFormat in hadoop book , but there is error >> > "class org.apache.hadoop.streaming.WholeFileInputFormat not >> > org.apache.hadoop.mapred.InputFormat" >> > >> > Hadoop version is 0.20, but the streaming still depend on 0.10 mapred >> api? >> > >> >> >> 1. please don't spam all the lists >> 2. grab a later version of the apache releases if you want help on them on >> these mailing lists, or go to the cloudera lists, where they will probably >> say "upgrade to CDH 4.x" before asking questions. >> >> thanks >> > > > >-- >Harsh J