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From ZUBAIR MIAN <mian_zub...@yahoo.com>
Subject Re: Problem with datanode(slave machine)
Date Wed, 20 Jan 2010 17:52:22 GMT
Still giving me the same error




________________________________
From: xiao yang <yangxiao9901@gmail.com>
To: general@hadoop.apache.org
Sent: Wed, January 20, 2010 1:51:04 PM
Subject: Re: Problem with datanode(slave machine)

Maybe the firewall blocked this port.
Try:
$telnet 192.168.0.1 54310

On Tue, Jan 19, 2010 at 10:17 PM, ZUBAIR MIAN <mian_zubair@yahoo.com> wrote:

> Have already done that.
>
>
>
>
> ________________________________
> From: xiao yang <yangxiao9901@gmail.com>
> To: general@hadoop.apache.org
> Sent: Tue, January 19, 2010 6:09:57 PM
> Subject: Re: Problem with datanode(slave machine)
>
> Add hosts and ip address in /etc/hosts.
> It may work.
>
> On Tue, Jan 19, 2010 at 8:34 PM, ZUBAIR MIAN <mian_zubair@yahoo.com>
> wrote:
>
> > Dear all
> >
> > I am facing problem wrt the datanode(at slave). In the log file of slave
> i
> > am getting following message:
> >            "Call to master/192.168.0.1:54310 failed on local exception:
> > java.net.NoRouteToHostException:            No route to host at
> > org.apache.hadoop.ipc.Client.wrapException"
> > I am currently working on two node cluster. The network is working fine.
> > Both machines can ping each other.
> >
> > And Following is the log file of datanode.
> >
> >
> >  STARTUP_MSG: Starting DataNode
> > STARTUP_MSG:  host = slave/192.168.0.2
> > STARTUP_MSG:  args = []
> > STARTUP_MSG:  version = 0.20.1
> > STARTUP_MSG:  build =
> > http://svn.apache.org/repos/asf/hadoop/common/tags/release-0.20.1-rc1 -r
> > 810220; compiled by 'oom' on Tue Sep  1 20:55:56 UTC 2009
> > ************************************************************/
> > 2010-01-15 18:50:56,435 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 0 time(s).
> > 2010-01-15 18:50:57,436 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 1 time(s).
> > 2010-01-15 18:50:58,437 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 2 time(s).
> > 2010-01-15 18:50:59,438 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 3 time(s).
> > 2010-01-15 18:51:00,439 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 4 time(s).
> > 2010-01-15 18:51:01,440 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 5 time(s).
> > 2010-01-15 18:51:02,441 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 6 time(s).
> > 2010-01-15 18:51:03,443 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 7 time(s).
> > 2010-01-15 18:51:04,444 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 8 time(s).
> > 2010-01-15 18:51:05,445 INFO org.apache.hadoop.ipc.Client: Retrying
> connect
> > to server: master/192.168.0.1:54310. Already tried 9 time(s).
> > 2010-01-15 18:51:05,449 ERROR
> > org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException:
> Call
> > to master/192.168.0.1:54310 failed on local exception:
> > java.net.NoRouteToHostException: No route to host
> >  at org.apache.hadoop.ipc.Client.wrapException(Client.java:774)
> >  at org.apache.hadoop.ipc.Client.call(Client.java:742)
> >  at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
> >  at $Proxy4.getProtocolVersion(Unknown Source)
> >  at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359)
> >  at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:346)
> >  at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:383)
> >  at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:314)
> >  at org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:291)
> >  at
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:269)
> >  at
> > org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:216)
> >  at
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1283)
> >  at
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1238)
> >  at
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1246)
> >  at
> > org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1368)
> > Caused by: java.net.NoRouteToHostException: No route to host
> >  at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >  at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:592)
> >  at
> >
> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
> >  at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404)
> >  at
> org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:304)
> >  at org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:176)
> >  at org.apache.hadoop.ipc.Client.getConnection(Client.java:859)
> >  at org.apache.hadoop.ipc.Client.call(Client.java:719)
> >  ... 13 more
> > 2010-01-15 18:51:05,451 INFO
> > org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
> > /************************************************************
> > SHUTDOWN_MSG: Shutting down DataNode at slave/192.168.0.2
> > ************************************************************/
> >
> > Please help me asap.
> >
> > regards
> > maria
> >
> >
> >
> >
>
>
>
>
>



      
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