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Posted to general@hadoop.apache.org by elton sky <el...@gmail.com> on 2010/10/09 13:14:46 UTC
Re: DFS error
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 <da...@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)
>
>
>
>
Re: DFS error
Posted by Weiwei Li <ha...@gmail.com>.
How about change localhost to 129.110.31.40?
2010/10/10 David Lary <da...@gmail.com>
> Thanks,
>
> conf/masters contains:
>
> localhost
>
> David
>
> On Oct 9, 2010, at 6:14 AM, elton sky wrote:
>
> > 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 <da...@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)
> >>
> >>
> >>
> >>
>
>
Re: DFS error
Posted by David Lary <da...@gmail.com>.
Thanks,
conf/masters contains:
localhost
David
On Oct 9, 2010, at 6:14 AM, elton sky wrote:
> 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 <da...@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)
>>
>>
>>
>>