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From "sreebalineni ." <sreebalin...@gmail.com>
Subject Re: datanode is unable to connect to namenode
Date Tue, 28 Jun 2016 19:11:40 GMT
Are you able to telnet ping. Check the firewalls as well
On Jun 29, 2016 12:39 AM, "Aneela Saleem" <aneela@platalytics.com> wrote:

> Hi all,
>
> I have setup two nodes cluster with security enabled. I have everything
> running successful like namenode, datanode, resourcemanager, nodemanager,
> jobhistoryserver etc. But datanode is unable to connect to namenode, as i
> can see only one node on the web UI. checking logs of datanode gives
> following warning:
>
> *WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Problem connecting
> to server: hadoop-master/192.168.23.206:8020 <http://192.168.23.206:8020>*
>
> Rest of the things look fine. Please help me in this regard, what could be
> the issue?
>

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