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Date: Tue, 7 Feb 2012 20:13:30 -0800 (PST)
From: Hai Huang <hhuang2012@yahoo.com>
Reply-To: Hai Huang <hhuang2012@yahoo.com>
Subject: Re: Issue on running examples
To: "common-dev@hadoop.apache.org" <common-dev@hadoop.apache.org>
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Figured out the issue. It is due to=A0incorrectly using=A0=A0parameters=A0 =
in "-Dmapreduce.job.user.name=3D$USER -Dmapreduce.clientfactory.class.name=
=3Dorg.apache.hadoop.mapred.YarnClientFactory -Dmapreduce.randomwriter.byte=
spermap=3D10000 -Ddfs.blocksize=3D536870912 -Ddfs.block.size=3D536870912 -l=
ibjars ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-0.24.0-SN=
APSHOT.jar "=0A=A0=0AIf I cancel them , then the example run=A0, but=A0stil=
l got some exceptions=A0thrown in the result, for example=0A=A0=0A"=0A2012-=
02-07 20:05:25,202 WARN=A0 mapreduce.Job (Job.java:getTaskLogs(1460)) - Err=
or reading task output Server returned HTTP response code: 400 for URL: htt=
p://localhost:8080/tasklog?plaintext=3Dtrue&attemptid=3Dattempt_13286728955=
60_0002_m_000003_1&filter=3Dstdout=0A"=A0=0AThe link above displayed page w=
ith "Required param job, map and reduce"=0A=0AI am going to=A0check=A0 more=
=A0of them.=0A=0AHai=0A=A0=0A----- Original Message -----=0AFrom: Hai Huang=
 <hhuang2012@yahoo.com>=0ATo: "common-dev@hadoop.apache.org" <common-dev@ha=
doop.apache.org>=0ACc: =0ASent: Sunday, February 5, 2012 9:52:21 PM=0ASubje=
ct: Re: Issue on running examples=0A=0AI am doing following steps to runnin=
g a example=A0-- randomwriter=0A=A0=0A1.=A0=A0=A0=A0 sbin/hadoop-daemon.sh =
start namenode-Dmapreduce.job.user.name=3D$USER -Dmapreduce.clientfactory.c=
lass.name=3Dorg.apache.hadoop.mapred.YarnClientFactory -Dmapreduce.randomwr=
iter.bytespermap=3D10000 -Ddfs.blocksize=3D536870912 -Ddfs.block.size=3D536=
870912 -libjars ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-=
0.24.0-SNAPSHOT.jar=A0=0A=A0=0A2. =A0=A0=A0=A0sbin/hadoop-daemon.sh start d=
atanode=0A=A0=0A3.=A0=A0=A0=A0bin/yarn-daemon.sh start resourcemanager=0A=
=A0=0A4.=A0=A0=A0=A0bin/yarn-daemon.sh start nodemanager=0A=A0=0A5.=A0 ./bi=
n/hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-examples-0.24.0-SNAP=
SHOT.jar randomwriter output=0A=A0=0AThe step reported error message in bel=
ow:=0A=A0=0A=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0A=A0=0A=
2012-02-05 18:44:21,905 WARN=A0 conf.Configuration (Configuration.java:set(=
639)) - mapred.used.genericoptionsparser is deprecated. Instead, use mapred=
uce.client.genericoptionsparser.used=0ARunning 10 maps.=0AJob started: Sun =
Feb 05 18:44:22 PST 2012=0A2012-02-05 18:44:22,512 WARN=A0 conf.Configurati=
on (Configuration.java:handleDeprecation(326)) - fs.default.name is depreca=
ted. Instead, use fs.defaultFS=0A2012-02-05 18:44:22,618 WARN=A0 hdfs.DFSCl=
ient (DFSOutputStream.java:run(549)) - DataStreamer Exception=0Ajava.io.IOE=
xception: java.io.IOException: File /tmp/hadoop-yarn/staging/hai/.staging/j=
ob_1328468416955_0007/libjars/hadoop-mapreduce-client-jobclient-0.24.0-SNAP=
SHOT.jar could only be replicated to 0 nodes instead of minReplication (=3D=
1).=A0 There are 1 datanode(s) running and no node(s) are excluded in this =
operation.=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.server.blockma=
nagement.BlockManager.chooseTarget(BlockManager.java:1145)=0A=A0=A0=A0=A0=
=A0=A0=A0 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditio=
nalBlock(FSNamesystem.java:1540)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hado=
op.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:4=
77)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.protocolPB.ClientName=
nodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSid=
eTranslatorPB.java:346)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.p=
rotocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlo=
ckingMethod(ClientNamenodeProtocolProtos.java:42602)=0A=A0=A0=A0=A0=A0=A0=
=A0 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.ca=
ll(ProtobufRpcEngine.java:439)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop=
.ipc.RPC$Server.call(RPC.java:862)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.ha=
doop.ipc.Server$Handler$1.run(Server.java:1608)=0A=A0=A0=A0=A0=A0=A0=A0 at =
org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1604)=0A=A0=A0=A0=A0=
=A0=A0=A0 at java.security.AccessController.doPrivileged(Native Method)=0A=
=A0=A0=A0=A0=A0=A0=A0 at javax.security.auth.Subject.doAs(Subject.java:416)=
=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.security.UserGroupInformation=
.doAs(UserGroupInformation.java:1177)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache=
.hadoop.ipc.Server$Handler.run(Server.java:1602)=0A=A0=A0=A0=A0=A0=A0=A0 at=
 org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.j=
ava:203)=0A=A0=A0=A0=A0=A0=A0=A0 at $Proxy10.addBlock(Unknown Source)=0A=A0=
=A0=A0=A0=A0=A0=A0 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native M=
ethod)=0A=A0=A0=A0=A0=A0=A0=A0 at sun.reflect.NativeMethodAccessorImpl.invo=
ke(NativeMethodAccessorImpl.java:57)=0A=A0=A0=A0=A0=A0=A0=A0 at sun.reflect=
.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)=
=0A=A0=A0=A0=A0=A0=A0=A0 at java.lang.reflect.Method.invoke(Method.java:616=
)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.io.retry.RetryInvocationHand=
ler.invokeMethod(RetryInvocationHandler.java:127)=0A=A0=A0=A0=A0=A0=A0=A0 a=
t org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationH=
andler.java:81)=0A=A0=A0=A0=A0=A0=A0=A0 at $Proxy10.addBlock(Unknown Source=
)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.protocolPB.ClientNameno=
deProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:355=
)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.DFSOutputStream$DataStr=
eamer.locateFollowingBlock(DFSOutputStream.java:1097)=0A=A0=A0=A0=A0=A0=A0=
=A0 at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputS=
tream(DFSOutputStream.java:973)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoo=
p.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:455)=0A2012-02=
-05 18:44:22,620 INFO=A0 mapreduce.JobSubmitter (JobSubmitter.java:submitJo=
bInternal(388)) - Cleaning up the staging area /tmp/hadoop-yarn/staging/hai=
/.staging/job_1328468416955_0007=0A2012-02-05 18:44:22,626 ERROR security.U=
serGroupInformation (UserGroupInformation.java:doAs(1180)) - PriviledgedAct=
ionException as:hai (auth:SIMPLE) cause:java.io.IOException: java.io.IOExce=
ption: File /tmp/hadoop-yarn/staging/hai/.staging/job_1328468416955_0007/li=
bjars/hadoop-mapreduce-client-jobclient-0.24.0-SNAPSHOT.jar could only be r=
eplicated to 0 nodes instead of minReplication (=3D1).=A0 There are 1 datan=
ode(s) running and no node(s) are excluded in this operation.=0A=A0=A0=A0=
=A0=A0=A0=A0 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.=
chooseTarget(BlockManager.java:1145)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.=
hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.ja=
va:1540)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.server.namenode.=
NameNodeRpcServer.addBlock(NameNodeRpcServer.java:477)=0A=A0=A0=A0=A0=A0=A0=
=A0 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTr=
anslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:346)=
=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.protocol.proto.ClientNam=
enodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamen=
odeProtocolProtos.java:42602)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.=
ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java=
:439)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.RPC$Server.call(RPC.=
java:862)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handler$1=
.run(Server.java:1608)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.Ser=
ver$Handler$1.run(Server.java:1604)=0A=A0=A0=A0=A0=A0=A0=A0 at java.securit=
y.AccessController.doPrivileged(Native Method)=0A=A0=A0=A0=A0=A0=A0=A0 at j=
avax.security.auth.Subject.doAs(Subject.java:416)=0A=A0=A0=A0=A0=A0=A0=A0 a=
t org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation=
.java:1177)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handler=
.run(Server.java:1602)=0Ajava.io.IOException: java.io.IOException: File /tm=
p/hadoop-yarn/staging/hai/.staging/job_1328468416955_0007/libjars/hadoop-ma=
preduce-client-jobclient-0.24.0-SNAPSHOT.jar could only be replicated to 0 =
nodes instead of minReplication (=3D1).=A0 There are 1 datanode(s) running =
and no node(s) are excluded in this operation.=0A=A0=A0=A0=A0=A0=A0=A0 at o=
rg.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(Bloc=
kManager.java:1145)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.serve=
r.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1540)=0A=A0=A0=
=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer=
.addBlock(NameNodeRpcServer.java:477)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache=
.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlo=
ck(ClientNamenodeProtocolServerSideTranslatorPB.java:346)=0A=A0=A0=A0=A0=A0=
=A0=A0 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProto=
s$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.=
java:42602)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.ProtobufRpcEng=
ine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:439)=0A=A0=A0=A0=
=A0=A0=A0=A0 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:862)=0A=A0=
=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.jav=
a:1608)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handler$1.r=
un(Server.java:1604)=0A=A0=A0=A0=A0=A0=A0=A0 at java.security.AccessControl=
ler.doPrivileged(Native Method)=0A=A0=A0=A0=A0=A0=A0=A0 at javax.security.a=
uth.Subject.doAs(Subject.java:416)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.ha=
doop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)=0A=
=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handler.run(Server.ja=
va:1602)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.ProtobufRpcEngine=
$Invoker.invoke(ProtobufRpcEngine.java:203)=0A=A0=A0=A0=A0=A0=A0=A0 at $Pro=
xy10.addBlock(Unknown Source)=0A=A0=A0=A0=A0=A0=A0=A0 at sun.reflect.Native=
MethodAccessorImpl.invoke0(Native Method)=0A=A0=A0=A0=A0=A0=A0=A0 at sun.re=
flect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)=0A=
=A0=A0=A0=A0=A0=A0=A0 at sun.reflect.DelegatingMethodAccessorImpl.invoke(De=
legatingMethodAccessorImpl.java:43)=0A=A0=A0=A0=A0=A0=A0=A0 at java.lang.re=
flect.Method.invoke(Method.java:616)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.=
hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.=
java:127)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.io.retry.RetryInvoca=
tionHandler.invoke(RetryInvocationHandler.java:81)=0A=A0=A0=A0=A0=A0=A0=A0 =
at $Proxy10.addBlock(Unknown Source)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.=
hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNa=
menodeProtocolTranslatorPB.java:355)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.=
hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStre=
am.java:1097)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.DFSOutputSt=
ream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:973)=0A=A0=A0=
=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(=
DFSOutputStream.java:455)=0A2012-02-05 18:44:22,629 ERROR hdfs.DFSClient (D=
FSClient.java:closeAllFilesBeingWritten(435)) - Failed to close file /tmp/h=
adoop-yarn/staging/hai/.staging/job_1328468416955_0007/libjars/hadoop-mapre=
duce-client-jobclient-0.24.0-SNAPSHOT.jar=0Ajava.io.IOException: java.io.IO=
Exception: File /tmp/hadoop-yarn/staging/hai/.staging/job_1328468416955_000=
7/libjars/hadoop-mapreduce-client-jobclient-0.24.0-SNAPSHOT.jar could only =
be replicated to 0 nodes instead of minReplication (=3D1).=A0 There are 1 d=
atanode(s) running and no node(s) are excluded in this operation.=0A=A0=A0=
=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManag=
er.chooseTarget(BlockManager.java:1145)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apac=
he.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem=
.java:1540)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.server.nameno=
de.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:477)=0A=A0=A0=A0=A0=A0=
=A0=A0 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSid=
eTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:34=
6)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.protocol.proto.ClientN=
amenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNam=
enodeProtocolProtos.java:42602)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoo=
p.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.ja=
va:439)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.RPC$Server.call(RP=
C.java:862)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handler=
$1.run(Server.java:1608)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.S=
erver$Handler$1.run(Server.java:1604)=0A=A0=A0=A0=A0=A0=A0=A0 at java.secur=
ity.AccessController.doPrivileged(Native Method)=0A=A0=A0=A0=A0=A0=A0=A0 at=
 javax.security.auth.Subject.doAs(Subject.java:416)=0A=A0=A0=A0=A0=A0=A0=A0=
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformati=
on.java:1177)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handl=
er.run(Server.java:1602)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.ipc.P=
rotobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:203)=0A=A0=A0=A0=A0=
=A0=A0=A0 at $Proxy10.addBlock(Unknown Source)=0A=A0=A0=A0=A0=A0=A0=A0 at s=
un.reflect.NativeMethodAccessorImpl.invoke0(Native Method)=0A=A0=A0=A0=A0=
=A0=A0=A0 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccess=
orImpl.java:57)=0A=A0=A0=A0=A0=A0=A0=A0 at sun.reflect.DelegatingMethodAcce=
ssorImpl.invoke(DelegatingMethodAccessorImpl.java:43)=0A=A0=A0=A0=A0=A0=A0=
=A0 at java.lang.reflect.Method.invoke(Method.java:616)=0A=A0=A0=A0=A0=A0=
=A0=A0 at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(Re=
tryInvocationHandler.java:127)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop=
.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:81)=0A=
=A0=A0=A0=A0=A0=A0=A0 at $Proxy10.addBlock(Unknown Source)=0A=A0=A0=A0=A0=
=A0=A0=A0 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTransl=
atorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:355)=0A=A0=A0=A0=A0=
=A0=A0=A0 at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFoll=
owingBlock(DFSOutputStream.java:1097)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache=
.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputSt=
ream.java:973)=0A=A0=A0=A0=A0=A0=A0=A0 at org.apache.hadoop.hdfs.DFSOutputS=
tream$DataStreamer.run(DFSOutputStream.java:455)=0A=A0=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0A=A0=0AAny ideas about this issue ? Also=
 , I tried to used following command=0A=A0=0Asbin/stop-dfs.sh=0Aand got iss=
ues of =0A=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0AStoppi=
ng namenodes on [localhost]=0Alocalhost: stopping namenode=0Acat: /home/hai=
/hadoop-common/hadoop-dist/target/hadoop-0.24.0-SNAPSHOT/conf//slaves: No s=
uch file or directory=0ASecondary namenodes are not configured.=A0 Cannot s=
top secondary namenodes.=0A=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=0A=A0=0AAnyway, the doc in the http://hadoop.apache.org/common/docs/=
stable/single_node_setup.html=A0looks like out-of-date since the command "$=
sbin/start-all.sh" reported "This script is Deprecated. Instead use start-d=
fs.sh and start-mapred.sh "=0A=A0=0A=A0=0AThanks,=0A=A0=0AHai