hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Todd Lipcon <t...@cloudera.com>
Subject Re: NPE while starting NameNode
Date Thu, 05 Nov 2009 22:49:02 GMT
You spelled default wrong in the config :)

-Todd

On Thu, Nov 5, 2009 at 2:06 AM, Sumit Shangari <sumit.shangari@one97.net>wrote:

> I am trying to set up Hadoop on Linux Box.
>
> Upon running start-all.sh following null pointer exception is being thrown
> in NameNode and dataNode logs.
>
> 2008-09-30 18:14:07,565 ERROR
> org.apache.hadoop.hdfs.server.datanode.DataNode:
> java.lang.NullPointerException
>       at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:132)
>       at
>
> org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:130)
>       at
>
> org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:134)
>       at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:235)
>       at
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:205)
>       at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1199)
>       at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1154)
>       at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1162)
>       at
> org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1284
>
>
>  I Have already set fs.default.name IN CORE-SITE.XML
>        <property>
>                <name>fs.dafault.name</name>
>                <value>hdfs://localhost:9000</value>
>        </property>
> After spending some time on google regarding this issue,it looks like  I am
> missing some configuration .
> But still I am not able to pin point the cause of this Exception.
>
> Any Help will be appreciated.
>
> --
> Thanks and Regards,
>
> Sumit Shangari
> Sr. Software Engineer - Engineering
> One97 Communications (P) Ltd
> B121, Sector 5, Noida, UP 201301
>
> P:  + 91 120 4770770
> W: www.one97world.com
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message