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MapReduce >> mail # user >> Re: mapper and reducer task failure


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Jitendra Yadav 2013-08-15, 15:23
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mapper and reducer task failure
Hi all ,
I am new to Hadoop .I am not sure if my question is stupid or not . But
still .
I am running wordcount example and getting below error :
Command to run :
bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
/user/root/output

MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
ERROR="java\.lang\.Throwable: Child Error
    at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
Also i have attachmet my log file from dfs
Regards
Pradeep
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Raj K Singh 2013-08-15, 13:59
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Pradeep Singh 2013-08-15, 14:35
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Jitendra Yadav 2013-08-15, 14:52
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