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From Nachiket Vaidya <vaidy...@gmail.com>
Subject Re: Exception happen when start a single node
Date Fri, 29 Jan 2010 08:43:36 GMT
Plz refer last part of this page
http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_(Multi-Node_Cluster)
<http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_(Multi-Node_Cluster)>It
contains a solution to the given problem.

- Nachiket

On Fri, Jan 29, 2010 at 3:55 AM, Jeff Zhang <zjffdu@gmail.com> wrote:

> Hi all,
>
> One of my machine fall into the black list, then I want to restart it. But
> exception happens as following:
>
> 2010-01-29 10:32:23,247 FATAL
> org.apache.hadoop.hdfs.server.datanode.DataNode: Incompatible build
> versions: namenode BV = ; datanode BV = 810220
> 2010-01-29 10:32:23,352 ERROR
> org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException:
> Incompatible build versions: namenode BV = ; datanode BV = 810220
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.handshake(DataNode.java:436)
> at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:275)
>        at
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:216)
> at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1283)
> at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1238)
>        at
>
> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1246)
> at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1368)
>
> 2010-01-29 10:32:23,353 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
>
>
> Anyone know this issue? I know that hadoop have a requirement that each
> node's hadoop version should been the same, but does it also require the
> same build version? And what determine the build version ?
>
>
> --
> Best Regards
>
> Jeff Zhang
>

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