title: Run a Hadoop job without output file
body: <p>Is it possible to run a hadoop job without specifying output file ?
  When i try to run a hadoop job , no output file specified Exception is thrown .
  can any one please give any procedure to do so using Java.</p>
  
  <p>I am writing the data processed by reduce to a non relational database so i no longer require it to write to HDFS.</p>