HDFS failed on socket timeout exception

[#1]

Exception in thread "main" org.apache.hadoop.net.ConnectTimeoutException: Call From rw1.rw.com/177.277.22.177 to rw2.rw.com:8020 failed on socket timeout exception: org.apache.hadoop.net.ConnectTimeoutException: 20000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending local=177.277.22.177:43214 remote=rw2.rw.com/17.17.33.7:8020]; For more details see: http://wiki.apache.org/hadoop/SocketTimeout

[#2]

@Daniel Buraimo

Please provide the following question's answer

1)Is there any firewall is running?

2) Provide me sestatus

3) Can you verify you hostname. Provide me hostname -f output.

And also please check you /etc/hosts file updated with fully qualified domain name.

[#3]

@Ashnee Sharma Kindly help. Iam facing same problem

[#4]

I am also facing the same issue. Kindly help.