It isn't as easy as changing that import line: > package org.apache.hadoop.mapred.lib.input does not exist
The right package is package org.apache.hadoop.mapred. On Mon, Mar 18, 2013 at 7:22 AM, springring <springr...@126.com> wrote: > 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 -- Harsh J
