title: How to run MRUnit?
body: <p>I've written an MRUnit to test my mapper. However, I don't know how to run it in Eclipse as it reads some data from distributedCache. When I run it as a normal class in Eclipse it give me a bunch of errors. These are the error messages I get:</p>
  
  <pre><code>java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
      at org.apache.hadoop.mrunit.TestDriver.&lt;clinit&gt;(TestDriver.java:38)
      at MapperCombinerReducerTester.setUp(MapperCombinerReducerTester.java:16)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      at ....
  </code></pre>