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Subject: Re: Datanode doesn't start but there is no exception in the log
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 <13867.56108.qm@web110711.mail.gq1.yahoo.com>
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From: highpointe <highpointe3i@gmail.com>
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Message-Id: <595ACCB2-1FBA-4AA9-B76F-553ADA8E0153@gmail.com>
Date: Fri, 13 May 2011 08:22:53 -0600
To: "common-user@hadoop.apache.org" <common-user@hadoop.apache.org>
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When you say "freeze" you mean there is nothing rolling in the log?

Sent from my iPhone

On May 13, 2011, at 2:28 AM, Panayotis Antonopoulos <antonopoulospan@hotmail=
.com> wrote:

>=20
> There is no shutdown message until I shutdown the DataNode.
>=20
> I used hostname of the machine that will run the DataNode and I now used t=
he IP but there is no difference.
> Again the DataNode seems to freeze and the output at the log is the one I m=
entioned before.
>=20
>=20
>=20
>> Subject: Re: Datanode doesn't start but there is no exception in the log
>> From: highpointe3i@gmail.com
>> Date: Thu, 12 May 2011 23:59:02 -0600
>> To: common-user@hadoop.apache.org
>>=20
>> Have you defined the IP
>> of the DN in the slaves file?
>>=20
>>=20
>>=20
>> Sent from my iPhone
>>=20
>> On May 12, 2011, at 7:27 PM, Bharath Mundlapudi <bharathwork@yahoo.com> w=
rote:
>>=20
>>> Is that all the messages in the datanode log? Do you see any SHUTDOWN me=
ssage also?
>>>=20
>>> -Bharath
>>>=20
>>>=20
>>>=20
>>> ________________________________
>>> From: Panayotis Antonopoulos <antonopoulospan@hotmail.com>
>>> To: common-user@hadoop.apache.org
>>> Sent: Thursday, May 12, 2011 6:07 PM
>>> Subject: Datanode doesn't start but there is no exception in the log
>>>=20
>>>=20
>>> Hello,
>>> I am trying to set up Hadoop HDFS in a cluster for the first time. So fa=
r I was using pseudo-distributed mode on my PC at home and everything was wo=
rking perfectly.
>>> Tha NameNode starts but the DataNode doesn't start and the log contains t=
he following:
>>>=20
>>> 2011-05-13 04:01:13,663 INFO org.apache.hadoop.hdfs.server.datanode.Data=
Node: STARTUP_MSG:=20
>>> /************************************************************
>>> STARTUP_MSG: Starting DataNode
>>> STARTUP_MSG:   host =3D clone1/147.102.4.129
>>> STARTUP_MSG:   args =3D []
>>> STARTUP_MSG:   version =3D 0.20.2-cdh3u0
>>> STARTUP_MSG:   build =3D  -r 81256ad0f2e4ab2bd34b04f53d25a6c23686dd14; c=
ompiled by 'hudson' on Fri Mar 25 19:56:23 PDT 2011
>>> ************************************************************/
>>> 2011-05-13 04:01:14,019 INFO org.apache.hadoop.security.UserGroupInforma=
tion: JAAS Configuration already set up for Hadoop, not re-installing.
>>> 2011-05-13 04:01:14,143 INFO org.apache.hadoop.hdfs.server.datanode.Data=
Node: Registered FSDatasetStatusMBean
>>> 2011-05-13 04:01:14,152 INFO org.apache.hadoop.hdfs.server.datanode.Data=
Node: Opened info server at 50010
>>> 2011-05-13 04:01:14,154 INFO org.apache.hadoop.hdfs.server.datanode.Data=
Node: Balancing bandwith is 1048576 bytes/s
>>> 2011-05-13 04:01:14,206 INFO org.mortbay.log: Logging to org.slf4j.impl.=
Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
>>> 2011-05-13 04:01:14,272 INFO org.apache.hadoop.http.HttpServer: Added gl=
obal filtersafety (class=3Dorg.apache.hadoop.http.HttpServer$QuotingInputFil=
ter)
>>> 2011-05-13 04:01:14,278 INFO org.apache.hadoop.http.HttpServer: Port ret=
urned by webServer.getConnectors()[0].getLocalPort() before open() is -1. Op=
ening the listener on 50075
>>> 2011-05-13 04:01:14,278 INFO org.apache.hadoop.http.HttpServer: listener=
.getLocalPort() returned 50075 webServer.getConnectors()[0].getLocalPort() r=
eturned 50075
>>> 2011-05-13 04:01:14,278 INFO org.apache.hadoop.http.HttpServer: Jetty bo=
und to port 50075
>>> 2011-05-13 04:01:14,278 INFO org.mortbay.log: jetty-6.1.26
>>> 2011-05-13 04:01:14,567 INFO org.mortbay.log: Started SelectChannelConne=
ctor@0.0.0.0:50075
>>> 2011-05-13 04:01:14,570 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: I=
nitializing JVM Metrics with processName=3DDataNode, sessionId=3Dnull
>>> 2011-05-13 04:01:14,976 INFO org.apache.hadoop.ipc.Server: Starting Sock=
et Reader #1 for port 50020
>>> 2011-05-13 04:01:14,978 INFO org.apache.hadoop.ipc.metrics.RpcMetrics: I=
nitializing RPC Metrics with hostName=3DDataNode, port=3D50020
>>> 2011-05-13 04:01:14,981 INFO org.apache.hadoop.ipc.metrics.RpcDetailedMe=
trics: Initializing RPC Metrics with hostName=3DDataNode, port=3D50020
>>> 2011-05-13 04:01:14,984 INFO org.apache.hadoop.hdfs.server.datanode.Data=
Node: dnRegistration =3D DatanodeRegistration(clone1:50010, storageID=3D, in=
foPort=3D50075, ipcPort=3D50020)
>>>=20
>>> Does anyone know what might be wrong??
>>>=20
>>> Thank you in advance!
>>> Panagiotis
>                        =20