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2025-03-29 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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This article is to share with you about how to install the hadoop plug-in in eclipse, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.
Easy steps:
1 copy the plug-in to the plugins of eclipse; 2 associate the installed hadoop
(3) create a new hadoop location (configure the port of hadoop and other related information; 4) run the program.
Detailed steps:
one. Download the eclipse plug-in for hadoop online
This is mine: hadoop-eclipse-plugin-1.2.1.jar
two. Add downloaded plug-ins to the plugins of eclipse
three. Add the local hadoop installation path to the eclipse
Open eclipse Window- > Prefrences- > Hadoop Map/Reduce to add the local path of your hadoop
four. Display elephant: Window- > Show View- > Other- > Map/Reduce Locations
five. New hadoop location
Click Localtion- > new hadoop location in figure 4
six. Create a new map/reduce project
seven. Open the resources view and you can see the administrative folder of hadoop, where you can upload files.
Window- > Open Perspective-> Others-> Resource
eight. Run- > run configurations and enter parameters in arguments
(output output with wordcount input folder input included with hadoop)
Hdfs://localhost:9000/user/lcj/input hdfs://localhost:9000/user/lcj/output
Click run to run.
Results:
After refreshing the dfs in the resource view, there is an extra folder output.
This is how to install the hadoop plug-in in eclipse. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.
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