hadoop-eclipse-plugin-2.7.3.jar is a very important jar package. Without the hadoop-eclipse-plugin-2.7.3.jar package, many functions will not be available. Download it now. The steps to use the content display are as follows: Step 1: Download hadoop2.7.1.tar.gz locally and unzip it. I put it in the directory C:Program FilesHadoophadoop-2.7.1 and put it in the plugins directory of eclipse. Step 2: Restart eclipse, and then you can see DFS Locations: Software Screenshot 4 Step 3: Open Window-->Preferens, you can see the Hadoop Map/Reduc option, then click it, and then add the hadoop path in step 1 to step 4 : Click Window-->Show View -->MapReduce Tools Click Map/ReduceLocation, click the Map/ReduceLocation tab, click the little elephant icon on the right to open the Hadoop Location configuration window: Enter the Location Name, any name can be used. Configure Map/Reduce Master, DFS Mastrer, Host and Port can be configured so that the settings in hdfs-site.xml and core-site.xml are consistent. If the connection is successful, the folder on hdfs will appear
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