@Vikash Kumar Can you please provide the exact error message? From the problem statement, it looks like Port 8020 is closed and that is the reason why Namenode metadata service unable to establish a connection on port 8020. You may use below command to check if port 8020 is open or not. # netstat -plnt | grep :8020 tcp 0 0 172.25.x.x:8020 0.0.0.0:* LISTEN 6937/java Also, please make sure that port 8020 is not used by any other services.
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