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Date: Thu, 21 Jan 2010 02:20:30 -0800 (PST)
From: ZUBAIR MIAN <mian_zubair@yahoo.com>
Subject: Re: Problem with datanode(slave machine)
To: general@hadoop.apache.org
In-Reply-To: <5a921af21001202029r14b7ae8ew7d1ba0ca4a91c613@mail.gmail.com>
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the error msg is "no route to host" if i do "telnet 192.168.0.2 54311" and =
"Connection failed" with "telnet 192.168.0.1 54310"=0A=0A=0A=0A=0A_________=
_______________________=0AFrom: xiao yang <yangxiao9901@gmail.com>=0ATo: ge=
neral@hadoop.apache.org=0ASent: Thu, January 21, 2010 9:29:50 AM=0ASubject:=
 Re: Problem with datanode(slave machine)=0A=0AWhat's the error message of =
telnet?=0A=0AOn Thu, Jan 21, 2010 at 1:53 AM, ZUBAIR MIAN <mian_zubair@yaho=
o.com> wrote:=0A=0A> Still giving me the same error=0A>=0A>=0A>=0A>=0A> ___=
_____________________________=0A> From: xiao yang <yangxiao9901@gmail.com>=
=0A> To: general@hadoop.apache.org=0A> Sent: Wed, January 20, 2010 1:51:04 =
PM=0A> Subject: Re: Problem with datanode(slave machine)=0A>=0A> Maybe the =
firewall blocked this port.=0A> Try:=0A> $telnet 192.168.0.1 54310=0A>=0A> =
On Tue, Jan 19, 2010 at 10:17 PM, ZUBAIR MIAN <mian_zubair@yahoo.com>=0A> w=
rote:=0A>=0A> > Have already done that.=0A> >=0A> >=0A> >=0A> >=0A> > _____=
___________________________=0A> > From: xiao yang <yangxiao9901@gmail.com>=
=0A> > To: general@hadoop.apache.org=0A> > Sent: Tue, January 19, 2010 6:09=
:57 PM=0A> > Subject: Re: Problem with datanode(slave machine)=0A> >=0A> > =
Add hosts and ip address in /etc/hosts.=0A> > It may work.=0A> >=0A> > On T=
ue, Jan 19, 2010 at 8:34 PM, ZUBAIR MIAN <mian_zubair@yahoo.com>=0A> > wrot=
e:=0A> >=0A> > > Dear all=0A> > >=0A> > > I am facing problem wrt the datan=
ode(at slave). In the log file of=0A> slave=0A> > i=0A> > > am getting foll=
owing message:=0A> > >=A0 =A0 =A0 =A0 =A0 =A0 "Call to master/192.168.0.1:5=
4310 failed on local=0A> exception:=0A> > > java.net.NoRouteToHostException=
:=A0 =A0 =A0 =A0 =A0 =A0 No route to host at=0A> > > org.apache.hadoop.ipc.=
Client.wrapException"=0A> > > I am currently working on two node cluster. T=
he network is working=0A> fine.=0A> > > Both machines can ping each other.=
=0A> > >=0A> > > And Following is the log file of datanode.=0A> > >=0A> > >=
=0A> > >=A0 STARTUP_MSG: Starting DataNode=0A> > > STARTUP_MSG:=A0 host =3D=
 slave/192.168.0.2=0A> > > STARTUP_MSG:=A0 args =3D []=0A> > > STARTUP_MSG:=
=A0 version =3D 0.20.1=0A> > > STARTUP_MSG:=A0 build =3D=0A> > > http://svn=
.apache.org/repos/asf/hadoop/common/tags/release-0.20.1-rc1-r=0A> > > 81022=
0; compiled by 'oom' on Tue Sep=A0 1 20:55:56 UTC 2009=0A> > > ************=
************************************************/=0A> > > 2010-01-15 18:50:=
56,435 INFO org.apache.hadoop.ipc.Client: Retrying=0A> > connect=0A> > > to=
 server: master/192.168.0.1:54310. Already tried 0 time(s).=0A> > > 2010-01=
-15 18:50:57,436 INFO org.apache.hadoop.ipc.Client: Retrying=0A> > connect=
=0A> > > to server: master/192.168.0.1:54310. Already tried 1 time(s).=0A> =
> > 2010-01-15 18:50:58,437 INFO org.apache.hadoop.ipc.Client: Retrying=0A>=
 > connect=0A> > > to server: master/192.168.0.1:54310. Already tried 2 tim=
e(s).=0A> > > 2010-01-15 18:50:59,438 INFO org.apache.hadoop.ipc.Client: Re=
trying=0A> > connect=0A> > > to server: master/192.168.0.1:54310. Already t=
ried 3 time(s).=0A> > > 2010-01-15 18:51:00,439 INFO org.apache.hadoop.ipc.=
Client: Retrying=0A> > connect=0A> > > to server: master/192.168.0.1:54310.=
 Already tried 4 time(s).=0A> > > 2010-01-15 18:51:01,440 INFO org.apache.h=
adoop.ipc.Client: Retrying=0A> > connect=0A> > > to server: master/192.168.=
0.1:54310. Already tried 5 time(s).=0A> > > 2010-01-15 18:51:02,441 INFO or=
g.apache.hadoop.ipc.Client: Retrying=0A> > connect=0A> > > to server: maste=
r/192.168.0.1:54310. Already tried 6 time(s).=0A> > > 2010-01-15 18:51:03,4=
43 INFO org.apache.hadoop.ipc.Client: Retrying=0A> > connect=0A> > > to ser=
ver: master/192.168.0.1:54310. Already tried 7 time(s).=0A> > > 2010-01-15 =
18:51:04,444 INFO org.apache.hadoop.ipc.Client: Retrying=0A> > connect=0A> =
> > to server: master/192.168.0.1:54310. Already tried 8 time(s).=0A> > > 2=
010-01-15 18:51:05,445 INFO org.apache.hadoop.ipc.Client: Retrying=0A> > co=
nnect=0A> > > to server: master/192.168.0.1:54310. Already tried 9 time(s).=
=0A> > > 2010-01-15 18:51:05,449 ERROR=0A> > > org.apache.hadoop.hdfs.serve=
r.datanode.DataNode: java.io.IOException:=0A> > Call=0A> > > to master/192.=
168.0.1:54310 failed on local exception:=0A> > > java.net.NoRouteToHostExce=
ption: No route to host=0A> > >=A0 at org.apache.hadoop.ipc.Client.wrapExce=
ption(Client.java:774)=0A> > >=A0 at org.apache.hadoop.ipc.Client.call(Clie=
nt.java:742)=0A> > >=A0 at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.jav=
a:220)=0A> > >=A0 at $Proxy4.getProtocolVersion(Unknown Source)=0A> > >=A0 =
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359)=0A> > >=A0 at org.apach=
e.hadoop.ipc.RPC.getProxy(RPC.java:346)=0A> > >=A0 at org.apache.hadoop.ipc=
.RPC.getProxy(RPC.java:383)=0A> > >=A0 at org.apache.hadoop.ipc.RPC.waitFor=
Proxy(RPC.java:314)=0A> > >=A0 at org.apache.hadoop.ipc.RPC.waitForProxy(RP=
C.java:291)=0A> > >=A0 at=0A> > >=0A> >=0A> org.apache.hadoop.hdfs.server.d=
atanode.DataNode.startDataNode(DataNode.java:269)=0A> > >=A0 at=0A> > >=0A>=
 org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:216)=
=0A> > >=A0 at=0A> > >=0A> >=0A> org.apache.hadoop.hdfs.server.datanode.Dat=
aNode.makeInstance(DataNode.java:1283)=0A> > >=A0 at=0A> > >=0A> >=0A> org.=
apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.ja=
va:1238)=0A> > >=A0 at=0A> > >=0A> >=0A> org.apache.hadoop.hdfs.server.data=
node.DataNode.createDataNode(DataNode.java:1246)=0A> > >=A0 at=0A> > >=0A> =
org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1368)=0A=
> > > Caused by: java.net.NoRouteToHostException: No route to host=0A> > >=
=A0 at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)=0A> > >=A0 =
at=0A> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:=
592)=0A> > >=A0 at=0A> > >=0A> >=0A> org.apache.hadoop.net.SocketIOWithTime=
out.connect(SocketIOWithTimeout.java:206)=0A> > >=A0 at org.apache.hadoop.n=
et.NetUtils.connect(NetUtils.java:404)=0A> > >=A0 at=0A> > org.apache.hadoo=
p.ipc.Client$Connection.setupIOstreams(Client.java:304)=0A> > >=A0 at=0A> o=
rg.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:176)=0A> > >=
=A0 at org.apache.hadoop.ipc.Client.getConnection(Client.java:859)=0A> > >=
=A0 at org.apache.hadoop.ipc.Client.call(Client.java:719)=0A> > >=A0 ... 13=
 more=0A> > > 2010-01-15 18:51:05,451 INFO=0A> > > org.apache.hadoop.hdfs.s=
erver.datanode.DataNode: SHUTDOWN_MSG:=0A> > > /***************************=
*********************************=0A> > > SHUTDOWN_MSG: Shutting down DataN=
ode at slave/192.168.0.2=0A> > > ******************************************=
******************/=0A> > >=0A> > > Please help me asap.=0A> > >=0A> > > re=
gards=0A> > > maria=0A> > >=0A> > >=0A> > >=0A> > >=0A> >=0A> >=0A> >=0A> >=
=0A> >=0A>=0A>=0A>=0A>=0A>=0A=0A=0A=0A      
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