How to execute a MapReduce program (WordCount.java) in...
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How to execute a MapReduce program (WordCount.java) in Eclipse:
Transcript of How to execute a MapReduce program (WordCount.java) in...
As you can see, it cannot run at the first beginning. There are three problems: (1) Could not find or load
main class org.apache.hadoop.mapreduce.v2.app.MRAppMaster. Please check whether your
etc/Hadoop/mapred-site.xml contains the below configuration. This is how I fixed the problem.
(2) Container is running beyond memory limits. The following post is helpful.
http://stackoverflow.com/questions/21005643/container-is-running-beyond-memory-limits
This is how I fixed the problem.
(3) Output folder already exists. I need to delete it.