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From elton sky <eltonsky9...@gmail.com>
Subject Re: DFS error
Date Sat, 09 Oct 2010 11:14:46 GMT
looks like hadoop couldn't find the uri of your second name node. what's in
your conf/master?

On Sat, Oct 9, 2010 at 7:01 AM, David Lary <davidlary@gmail.com> wrote:

> Please can someone help.
>
> Tried to set up pseudo-distributed mode for DFS. When I do start-dfs.sh I
> get the error message below, and am not sure what it means. Any help would
> be most appreciated.
>
> Thanks
>
> David
>
> The conf/hdfs-site.xml file contains:
> <configuration>
>        <property>
>                <name>fs.defaults.name</name>
>                <value>hdfs://localhost:8020</value>
>        </property>
> </configuration>
>
>
>
> $ start-dfs.sh
> starting namenode, logging to
> /Users/davidlary/hadoop-0.20.2/bin/../logs/hadoop-davidlary-namenode-129.110.31.40.out
> localhost: starting datanode, logging to
> /Users/davidlary/hadoop-0.20.2/bin/../logs/hadoop-davidlary-datanode-129.110.31.40.out
> localhost: starting secondarynamenode, logging to
> /Users/davidlary/hadoop-0.20.2/bin/../logs/hadoop-davidlary-secondarynamenode-129.110.31.40.out
> localhost: Exception in thread "main" java.lang.NullPointerException
> localhost:      at
> org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134)
> localhost:      at
> org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:156)
> localhost:      at
> org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:160)
> localhost:      at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:131)
> localhost:      at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:115)
> localhost:      at
> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:469)
>
>
>
>

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