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From "Ved Prakash" <meramailingl...@gmail.com>
Subject Re: 答复: clustering problem
Date Wed, 05 Mar 2008 11:03:37 GMT
Hi Miles,

Yes, I have hadoop-0.15.2 installed on both my systems.

Ved

2008/3/5 Miles Osborne <miles@inf.ed.ac.uk>:

> Did you use exactly the same version of Hadoop on each and every node?
>
> Miles
>
> On 05/03/2008, Ved Prakash <meramailinglist@gmail.com> wrote:
> >
> > Hi Zhang,
> >
> > Thanks for your reply, I tried this but no use. It still throws up
> > Incompatible build versions.
> >
> > I removed the dfs local directory on slave and issued start-dfs.sh on
> > server, and when I checked the logs it showed up with the same problem.
> >
> > Do you guys need some more information from my side to have a better
> > understanding about the problem.
> >
> > Please let me know,
> >
> > Thanks
> >
> > Ved
> >
> > 2008/3/5 Zhang, Guibin <gzhang@freewheel.tv>:
> >
> > > You can delete the DFS local dir in the slave (The local dictionary
> > should
> > > be ${hadoop.tmp.dir}/dfs/) and try again.
> > >
> > >
> > > -----邮件原件-----
> > > 发件人: Ved Prakash [mailto:meramailinglist@gmail.com]
> > > 发送时间: 2008年3月5日 14:51
> > > 收件人: core-user@hadoop.apache.org
> > > 主题: clustering problem
> > >
> > > Hi Guys,
> > >
> > > I am having problems creating clusters on 2 machines
> > >
> > > Machine configuration :
> > > Master : OS: Fedora core 7
> > >             hadoop-0.15.2
> > >
> > > hadoop-site.xml listing
> > >
> > > <configuration>
> > >  <property>
> > >    <name>fs.default.name</name>
> > >    <value>anaconda:50001</value>
> > >  </property>
> > >  <property>
> > >    <name>mapred.job.tracker</name>
> > >    <value>anaconda:50002</value>
> > >  </property>
> > >  <property>
> > >    <name>dfs.replication</name>
> > >    <value>2</value>
> > >  </property>
> > >  <property>
> > >    <name>dfs.secondary.info.port</name>
> > >    <value>50003</value>
> > >  </property>
> > >  <property>
> > >    <name>dfs.info.port</name>
> > >    <value>50004</value>
> > >  </property>
> > >  <property>
> > >    <name>mapred.job.tracker.info.port</name>
> > >    <value>50005</value>
> > >  </property>
> > >  <property>
> > >    <name>tasktracker.http.port</name>
> > >    <value>50006</value>
> > >  </property>
> > > </configuration>
> > >
> > > conf/masters
> > > localhost
> > >
> > > conf/slaves
> > > anaconda
> > > v-desktop
> > >
> > > the datanode, namenode, secondarynamenode seems to be working fine on
> > the
> > > master but on slave this is not the case
> > >
> > > slave
> > > OS: Ubuntu
> > >
> > > hadoop-site.xml listing
> > >
> > > same as master
> > >
> > > in the logs on slave machine I see this
> > >
> > > 2008-03-05 12:15:25,705 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
> > > Initializing JVM Metrics with processName=DataNode, sessionId=null
> > > 2008-03-05 12:15:25,920 FATAL org.apache.hadoop.dfs.DataNode:
> > Incompatible
> > > build versions: namenode BV = Unknown; datanode BV = 607333
> > > 2008-03-05 12:15:25,926 ERROR org.apache.hadoop.dfs.DataNode:
> > > java.io.IOException: Incompatible build versions: namenode BV =
> Unknown;
> > > datanode BV = 607333
> > >        at org.apache.hadoop.dfs.DataNode.handshake(DataNode.java:316)
> > >        at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java
> > :238)
> > >        at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:206)
> > >        at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java
> > :1575)
> > >        at org.apache.hadoop.dfs.DataNode.run(DataNode.java:1519)
> > >        at org.apache.hadoop.dfs.DataNode.createDataNode(DataNode.java
> > > :1540)
> > >        at org.apache.hadoop.dfs.DataNode.main(DataNode.java:1711)
> > >
> > > Can someone help me with this please.
> > >
> > > Thanks
> > >
> > > Ved
> > >
> >
>
>
>
> --
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> with registration number SC005336.
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