WordCount using Eclipse

Starting Eclipse and running MapReduce Program

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Step1: Open the home directory

Step2: Go inside the eclipse directory

Step3: Doube click on the eclipse.exe file to open the eclipse IDE

Step4: Provide the workspace path

Next the eclipse IDE Starts and look like this

Step5: Just close the workbench

After closing the workbench you will see something like below figure

Step6: Now let’s create a project

          Right click in Project explorer

Select → New → Project → Map/Reduce Project

Next

Provide Project Name → Wordcount in the Project name field

Next

Provide Project Name → Wordcount

Next

Configure hadoop installation directory

Click on → Configure hadoop installation directory

Next click → Browse → goto hadoop installation directory I.e,. /usr/local/hadoop → Ok → ok

→ next → finish

Once done you will see something like below figure

Next

Right click on project(Wordcount) → select Class

Give classname → finish

Next edit you code

Once the editing is done

Next step is to run the program

Go to Run → Run Configuration → goto arguments tab and specify the input file and output folder

Next click on Run button

After running you will see the following operation

This ends up running wordcount program using Eclipse

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Next we will see how to run wordcount program using by creating Jar and running on command line