AnsweredAssumed Answered

Unable to initialize MapOutputCollector

Question asked by asrikanthc on Aug 18, 2015
Latest reply on Aug 19, 2015 by Ted Dunning
Hi All,

 I am new to Mapreduce. i have setup hadoop 2.7.1 on my laptop. I am trying to run wordcount program. I am getting the below error ..can any one please help ? Thank you.

2015-08-20 07:45:29,264 WARN  [LocalJobRunner Map Task Executor #0] mapred.MapTask (MapTask.java:createSortingCollector(411)) - **Unable to initialize MapOutputCollector org.apache.hadoop.mapred.MapTask$MapOutputBuffer
java.lang.NullPointerException**
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.init(MapTask.java:1011)
at org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:402)

Regards
Srikanth

Outcomes