CODEWITHSUNDEEP
hadoopnetwork-programminghdfsambari
Emad
Emad

Reputation: 277

hortonworks sandbox connection refuse

i just start to learn hadoop with hortonworks sandbox

i have HDP 2.3 on a virtualBox and in the setting i have a Bridged Adapter network and a NAT,

when i start the machine everything is ok i can do some hadoop command i can connect the Ambari at 127.0.0.1:8080 but when i run the script in /etc/lib/hue/tools/start_scripts/gen_hosts.sh to generate hosts with a different ip address every thing going wrong and i can't execute a simple hadoop command like hadoop fs -ls /user i get this error 

ls: Call From sandbox.hortonworks.com/10.24.244.85 to sandbox.hortonworks.com:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused

as i said i just started to learn hadoop and i am not a network expert so i will preciate any help

thank you.

Upvotes: 2

Views: 4279

Answers (2)

Swapnil Narhire
Swapnil Narhire

Reputation: 21

turn on name NameNode / HDFS it will work

Upvotes: 1

Emad
Emad

Reputation: 277

I found that you have to restart the services ( HDFS,MapReduce,Hbase,..) from Ambari when you generate a host.

Hope this will help someone.

Upvotes: 3

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