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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "BindException" by SteveLoughran
Date Tue, 28 Jul 2015 20:20:57 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "BindException" page has been changed by SteveLoughran:
https://wiki.apache.org/hadoop/BindException?action=diff&rev1=7&rev2=8

Comment:
move hostname up for a better workflow

  As you cannot have more than one process listening on a TCP port, whatever is listening
is stopping the service coming up. You will need to track down and stop that process, or change
the service you are trying to start up to listen to a different port.
  
  How to track down the problem
+ 
   1. Identify which host/IP address the program is trying to use.
   1. Make sure the hostname is valid:try to ping it; use {{{ifconfig}}} to list the network
interfaces and their IP addresses.
   1. Make sure the hostname/IP address is one belonging to the host in question.
@@ -24, +25 @@

   1. As root use {{{netstat -a -t --numeric-ports -p}}} to list the ports that are in use
by number and process. (On OS/X you need to use {{{lsof}}}).
   1. Change the configuration of one of the programs to listen on a different port. 
  
+ Finally, this is not a Hadoop problems, it is a host, network or Hadoop configuration problem.
As it is your cluster, [[YourNetworkYourProblem|only you can find out and track down the problem.]].
Sorry
+ 

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