--windows 7 uses the Hadoop application development environment under Eclipse to build

For some reason, this verse is not written until now. In fact, for some time, Hadoop has been able to write some small programs, today or to say that the environment of the building ....

Note: The steps in this article are followed by an article on the Hadoop article: http://blog.csdn.net/enson16855/article/details/37725771, assuming that Hadoop is not installed in the same way as in the previous article, There may be some mistakes ~ Baidu will be able to solve the ha ~

Preparation environment:

Needless to say, I use the Eclipse version number is the latest Java EE version number. What is called Lua Kepler, originally used Juno, because the operating system was re-installed again. Wood has a way ~

Hadoop doesn't have to say more, take a look: http://blog.csdn.net/enson16855/article/details/37725771

Tool Download: Link: Http://pan.baidu.com/s/1pJM8eAB password:kpgz

1. Configuration of Hadoop

Unzip a Hadoop compressed file into a specific folder below Windows

Copy the Hadoop.dll to the C:\Windows\System32 folder, and then copy the Hadoop.dll and Winutils.exe to the bin folder of Hadoop:

2, Hadoop-eclipse-plugin installation configuration

Copy the downloaded Hadoop-eclipse-plugin-2.4.0.jar to the Dropins directory in eclipse:

Restart Eclipse,

Open Window-->preferens. You will find the Hadoop map/reduce option. In this option you need to configure Hadoop installation directory. Exit after configuration is complete.

Configure Hadoop connection information:

Select Windows---open perspective, other .... Select the Map/reduce with the elephant icon, at this time. The Map/reduce development environment was opened. Can see, the lower right corner of a map/reduce locations box.

Right-click-->new Hadoop location in the blanks

The configuration is complete click Finish to be able to

Finished, can participate in the last blog post the most beginning of the picture to see the effect ha ~

--windows 7 uses the Hadoop application development environment under Eclipse to build