Hadoop Elephant Tour 010-use Eclipse to view Hadoop source code

Hadoop Elephant Safari 010- using Eclipse to view Hadoop source code

sinom

This is what I'm using. hadoop-1.1.2.tar.gz , this file can be downloaded at the following address:

Official Address: http://archive.apache.org/dist/hadoop/core/hadoop-1.1.2/

1. Unzip the hadoop-1.1.2.tar.gz

The folder structure looks like this:

2. Create a new javaproject in myeclipse

Project name is Hadoop

3. Copy the source code into our project

copy hadoop-1.1.2 core hdfs mapred three folders to our hadoop :

After the copy is complete as shown:

4. Debugging Code

Change the directory structure such as:

Add external dependency Packages

also need a Ant.jar Package

Replace JDK

At this point the source code no longer has errors, debugging completed.

Hadoop Elephant Tour 010-use Eclipse to view Hadoop source code