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
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
;> 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
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 d
:39 AM, "Aneela Saleem" <ane...@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 c
then please share the hdfs-site.xml of hadoop-slave node
too.
-Vinay
From: Aneela Saleem [mailto:ane...@platalytics.com]
Sent: 29 June 2016 21:35
To: user@hadoop.apache.org
Subject: Fwd: datanode is unable to connect to namenode
Sent from my iPhone
Begin forwarded message:
From: Aneela Saleem m
.
>
>
>
> Please change this configuration in all nodes to 'dn/_HOST@platalyticsrealm'
> and restart all NNs and DNs, and check again.
>
>
>
> If this does not help, then please share the hdfs-site.xml of hadoop-slave
> node too.
>
>
>
> -Vinay
>
to:ane...@platalytics.com>]
*Sent:* 29 June 2016 21:35
*To:* user@hadoop.apache.org <mailto:user@hadoop.apache.org>
*Subject:* Fwd: datanode is unable to connect to namenode
Sent from my iPhone
Begin forwarded message:
*From:*Aneela Saleem mailto:ane...@platalytics.
menode side.
-Vinay
From: Aneela Saleem [mailto:ane...@platalytics.com]
Sent: 30 June 2016 13:24
To: Vinayakumar B
Cc: user@hadoop.apache.org
Subject: Re: datanode is unable to connect to namenode
Thanks Vinayakumar
Yes you got it right i was using different principal names i.e., nn/_HOST for
na
doop-slave node's configurations.
>
>
>
> Please change this configuration in all nodes to 'dn/_HOST@platalyticsrealm'
> and restart all NNs and DNs, and check again.
>
>
>
> If this does not help, then please share the hdfs-site.xml of hadoop-slave
> node too.
leem [mailto:ane...@platalytics.com
<mailto:ane...@platalytics.com>]
*Sent:* 30 June 2016 13:24
*To:* Vinayakumar B mailto:vinayakumar...@huawei.com>>
*Cc:* user@hadoop.apache.org <mailto:user@hadoop.apache.org>
*Subject:* Re: datanode is unable to connect to namenode
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