hadoop Debugging Hadoop MR Java code in local eclipse dev environment.

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Introduction

The basic thing to remember here is that debugging a Hadoop MR job is going to be similar to any remotely debugged application in Eclipse.

A debugger or debugging tool is a computer program that is used to test and debug other programs (the “target” program). It is greatly useful specially for a Hadoop environment wherein there is little room for error and one small error can cause a huge loss.

Remarks

That is all you need to do.



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