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Hadoop >> mail # user >> Mapping is not happening


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Sujit Dhamale 2012-04-08, 15:42
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Mapping is not happening.
hi all ,
i did all Hadoop installation and Configuration  , but while Executing Word
count program , Mapping is not happening
not getting result
getting Below Result while executing program

sujit@sujit:/usr/local/hadoop$ bin/hadoop jar hadoop-examples-1.0.1.jar
wordcount /input /output
****hdfs://localhost:54310/
input
12/04/08 20:58:04 INFO input.FileInputFormat: Total input paths to process
: 1
12/04/08 20:58:04 INFO mapred.JobClient: Running job: job_201204082039_0002
12/04/08 20:58:05 INFO mapred.JobClient:  map 0% reduce 0%
12/04/08 20:58:05 INFO mapred.JobClient: Job complete: job_201204082039_0002
12/04/08 20:58:05 INFO mapred.JobClient: Counters: 0
Hadoop Version: hadoop-1.0.1.tar.gz
java version "1.6.0_30"
Operating System : Ubuntu 11.10

Below are *steps to reproduce** *

sujit@sujit:~$ cd /usr/local/hadoop

*sujit@sujit:/usr/local/hadoop$ bin/start-all.sh *
Warning: $HADOOP_HOME is deprecated.
starting namenode, logging to
/usr/local/hadoop/libexec/../logs/hadoop-sujit-namenode-sujit.out
localhost: starting datanode, logging to
/usr/local/hadoop/libexec/../logs/hadoop-sujit-datanode-sujit.out
localhost: starting secondarynamenode, logging to
/usr/local/hadoop/libexec/../logs/hadoop-sujit-secondarynamenode-sujit.out
starting jobtracker, logging to
/usr/local/hadoop/libexec/../logs/hadoop-sujit-jobtracker-sujit.out
localhost: starting tasktracker, logging to
/usr/local/hadoop/libexec/../logs/hadoop-sujit-tasktracker-sujit.out

*sujit@sujit:/usr/local/hadoop$ jps*
7297 TaskTracker
6720 DataNode
6485 NameNode
7411 Jps
7061 JobTracker
6969 SecondaryNameNode
7061 JobTracker
6969 SecondaryNameNode

*sujit@sujit:/usr/local/hadoop$ bin/hadoop fs -cat /input/input.txt*
Warning: $HADOOP_HOME is deprecated.

Hello World
This is Sujit
Sujit Dhamale
Hello
*sujit@sujit:/usr/local/hadoop$ bin/hadoop dfs -lsr /*
Warning: $HADOOP_HOME is deprecated.

drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:20 /app
drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:20 /app/hadoop
drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:20 /app/hadoop/tmp
drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:40
/app/hadoop/tmp/mapred
drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:31
/app/hadoop/tmp/mapred/staging
drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:31
/app/hadoop/tmp/mapred/staging/sujit
drwx------   - sujit supergroup          0 2012-04-08 20:34
/app/hadoop/tmp/mapred/staging/sujit/.staging
drwx------   - sujit supergroup          0 2012-04-08 20:31
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0001
-rw-r--r--  10 sujit supergroup     142465 2012-04-08 20:31
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0001/job.jar
-rw-r--r--  10 sujit supergroup        110 2012-04-08 20:31
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0001/job.split
-rw-r--r--   1 sujit supergroup         26 2012-04-08 20:31
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0001/job.splitmetainfo
-rw-r--r--   1 sujit supergroup      20238 2012-04-08 20:31
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0001/job.xml
drwx------   - sujit supergroup          0 2012-04-08 20:34
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0002
-rw-r--r--  10 sujit supergroup     142465 2012-04-08 20:34
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0002/job.jar
drwx------   - sujit supergroup          0 2012-04-08 20:34
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0003
-rw-r--r--  10 sujit supergroup     142465 2012-04-08 20:34
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0003/job.jar
-rw-r--r--  10 sujit supergroup        110 2012-04-08 20:34
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0003/job.split
-rw-r--r--   1 sujit supergroup         26 2012-04-08 20:34
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0003/job.splitmetainfo
-rw-r--r--   1 sujit supergroup      20242 2012-04-08 20:34
/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204082020_0003/job.xml
drwx------   - sujit supergroup          0 2012-04-08 20:40
/app/hadoop/tmp/mapred/system
-rw-------   1 sujit supergroup          4 2012-04-08 20:40
/app/hadoop/tmp/mapred/system/jobtracker.info
drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:29 /input
-rw-r--r--   1 sujit supergroup         47 2012-04-08 20:29 /input/input.txt
sujit@sujit:/usr/local/hadoop$
*sujit@sujit:/usr/local/hadoop$ bin/hadoop jar hadoop-examples-1.0.1.jar
wordcount /input /output*
Warning: $HADOOP_HOME is deprecated.

****hdfs://localhost:54310/input
12/04/08 20:55:21 INFO input.FileInputFormat: Total input paths to process
12/04/08 20:55:22 INFO mapred.JobClient: Running job: job_201204082039_0001
12/04/08 20:55:23 INFO mapred.JobClient:  map 0% reduce 0%
12/04/08 20:55:23 INFO mapred.JobClient: Job complete: job_201204082039_0001
12/04/08 20:55:23 INFO mapred.JobClient: Counters: 0

*sujit@sujit:/usr/local/hadoop$ bin/hadoop dfs -lsr /output*
drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:55 /output/_logs
drwxr-xr-x   - sujit supergroup          0 2012-04-08 20:55
/output/_logs/history
-rw-r--r--   1 sujit supergroup       1156 2012-04-08 20:55
/output/_logs/history/job_201204082039_0001_1333898722111_sujit_word+count
-rw-r--r--   1 sujit supergroup      20302 2012-04-08 20:55
/output/_logs/history/job_201204082039_0001_conf.xml
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Sujit Dhamale 2012-04-10, 06:27
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Devaraj k 2012-04-10, 06:33
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB