Support Questions

Find answers, ask questions, and share your expertise

NameNode is not leaving safemode and getting connection refused error

Explorer
hadoop-hdfs-datanode-masterdomain.txt

Ambari is not starting up the applications..It will go smoothly up to 64 % and results in errors..

4 REPLIES 4

Master Collaborator

Can you also post namenode logs?

@Achu Thambi

Did you try manually leaving Namenode from command line.

Run below command at the time you start your namenode:

sudo su - hdfs

hdfs dfsadmin -safemode leave

Again this is not the best practice but helps your namenode come back.

Explorer

Thank you @Sridhar Reddy.......I followed these commands but I got connection refused error,I tried changing the permission of hadoop folder to 777 temporarily,now i could able to start the applications.

@Achu Thambi:

Glad that issue is resolved.

Take a Tour of the Community
Don't have an account?
Your experience may be limited. Sign in to explore more.