Build a Hadoop development environment with Eclipse

Download a Hadoop-eclipse-plugin-*.jar Eclipse plugin and place it in the plugins directory

Restart Eclipse
Open the video and find the elephant . Connecting HDFs Success Programming Preparation: 1. Build a Java project create a folder under the project, such as Lib, to import the required jar packages. Then select all the jar packages Builtpathmapreduce-client and HDFs are critical, and Yarn-clientikanalyzer is used for the word segmentation Mr Process: 1. Slicing (no code); 2. Mapper (start writing code) 3.mapper must inherit the parent class Mapper overriding the Map method

From for notes (Wiz)

Build a Hadoop development environment with Eclipse