title: Connection refused error in worker logs - apache storm
body: <p>I see the below error in worker logs, it happens almost every milliseconds, but the cluster is running fine, I wanted to know what does these error mean and any idea on why this would occur. </p>
  
  <p>This happens on all the worker nodes</p>
  
  <p>2016-05-12T15:32:53.514-0500 b.s.m.n.Client [ERROR] connection attempt 3 to Netty-Client-xxxxx.hq.abc.com/xx.xx.xxx.xx:6700 failed: java.net.ConnectException: Connection refused: xxxxx.hq.abc.com/xx.xx.xxx.xxx:6700</p>
  
  <p>And after some time i see this
  2016-05-12T15:44:25.940-0500 b.s.m.n.Client [ERROR] discarding 1 messages because the Netty client to Netty-Client-xxxxx.hq.abc.com/xx.xx.xxx.xxx:6700 is being closed</p>