Hadoop 2.0 JAR files

Question

I am getting an unexpected error when trying to instantiate a Configuration object in my Map/Reduce program.

The error is as follows:

Answer 1

I resolved the problem by downloading the JAR files from commons.apache directory and from Maven repositories. Each time I added a new JAR to the project, the application crashed with a different error (a different class was not found) until I downloaded all of the JAR files from the Maven repository. After downloading a lot of JAR files from the online repositories, most of the JAR related problems seem to be resolved.