hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Harsh J <ha...@cloudera.com>
Subject Re: Why cannot I start namenode or localhost:50070 ?
Date Mon, 27 Aug 2012 07:16:09 GMT
Charles,

Can you check your NN logs to see if it is properly up?

On Mon, Aug 27, 2012 at 12:33 PM, Charles AI <hadoop90@gmail.com> wrote:
> Hi All,
> I was running a cluster of one master and 4 slaves. I copied the
> hadoop_install folder from the master to all 4 slaves, and configured them
> well.
> How ever when i sh start-all.sh from the master machine. It shows below:
>
> starting namenode, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-namenode-west-desktop.out
> slave2: ssh: connect to host slave2 port 22: Connection refused
> master: starting datanode, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-datanode-west-desktop.out
> slave4: starting datanode, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-datanode-hadoop12.out
> slave3: starting datanode, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-datanode-hadoop-desktop.out
> slave1: starting datanode, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-datanode-kong-desktop.out
> master: starting secondarynamenode, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-secondarynamenode-west-desktop.out
> starting jobtracker, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-jobtracker-west-desktop.out
> slave2: ssh: connect to host slave2 port 22: Connection refused
> slave4: starting tasktracker, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-tasktracker-hadoop12.out
> master: starting tasktracker, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-tasktracker-west-desktop.out
> slave3: starting tasktracker, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-tasktracker-hadoop-desktop.out
> slave1: starting tasktracker, logging to
> /usr/local/hadoop/hadoop/bin/../logs/hadoop-hadoop-tasktracker-kong-desktop.out
>
> I know that slave2 is not on. But that should not be the problem. After this
> , I typed 'jps' in the master's shell, and it shows:
> 6907 Jps
> 6306 DataNode
> 6838 TaskTracker
> 6612 JobTracker
> 6533 SecondaryNameNode
>
> And when I opened this link "localhost:50030",the page said :
> master Hadoop Map/Reduce Administration
> Quick Links
> State: INITIALIZING
> Started: Mon Aug 27 14:54:46 CST 2012
> Version: 0.20.2, r911707
> Compiled: Fri Feb 19 08:07:34 UTC 2010 by chrisdo
> Identifier: 201208271454
>
> I don't quite get what the "State : INITIALIZING" means. Additionally, i
> cannot open "localhost:50070".
>
> So, Any suggestions ?
>
> Thanks in advance.
> CH
> --
> in a hadoop learning cycle



-- 
Harsh J

Mime
View raw message