Hadoop cluster setup - java.net.ConnectException: Connection refused

Question

I want to setup a hadoop-cluster in pseudo-distributed mode. I managed to perform all the setup-steps, including startuping a Namenode, Datanode, Jobtracker and a Tasktracke

Answer 1

For me these steps worked

1. stop-all.sh
2. hadoop namenode -format
3. start-all.sh