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From Charles AI <hadoo...@gmail.com>
Subject Re: Why cannot I start namenode or localhost:50070 ?
Date Mon, 27 Aug 2012 07:28:28 GMT
Yeah, thank you. Both NN log and DN log on the master machine are empty
files, having a size of 0.

On Mon, Aug 27, 2012 at 3:16 PM, Harsh J <harsh@cloudera.com> wrote:

> 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
>



-- 
in a hadoop learning cycle

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