title: Hadoop error -"connection refused"?
body: <p>I got the following error in Hadoop cluster . I ran a job ,and it was long and couldn't finish .
  Then whenever I try to access Hdfs ,I get:</p>
  
  <p>"Call From li417-43.members.linode.com/174.79.191.40 to li417-43.members.linode.com:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  <a href="http://wiki.apache.org/hadoop/ConnectionRefused" rel="nofollow">http://wiki.apache.org/hadoop/ConnectionRefused</a>"</p>
  
  <p>Any way to solve this!</p>
  
  <p>Thanks</p>