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Hadoop >> mail # user >> laves could not connect on 9000 and 9001 ports of master


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laves could not connect on 9000 and 9001 ports of master
Hi all,

we have this problem:

org.apache.hadoop.ipc.Client: Retrying connect to server:
master/*.*.*.*:9000. Already tried 0 time(s).

and for 9001 is same problem too, we opened these port on master firewall.
We use NAT to setup our Linux network.

Let me know your ideas,

Thanks,
Masoud