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How do I get my MapReduce Java Program to read the Clusters set configuration and not just defaults?

April 26, 2017cluster configuration defaults Java mapreduce program read

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How do I get my MapReduce Java Program to read the Clusters set configuration and not just defaults?

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The configuration property files ({core|mapred|hdfs}-site.xml) that are available in the various conf/ directories of your Hadoop installation needs to be on the CLASSPATH of your Java application for it to get found and applied.