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Message-ID: 
 <CACTMo93o9wKRrA+_bNAMPaCYMST9Zu=6TavOMMLiDj0=W2L5PA@mail.gmail.com>
Subject: Bugs while installing apache hadoop 2.4.0
From: Ritesh Kumar Singh <riteshoneinamillion@gmail.com>
To: user@hadoop.apache.org
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When I try to start dfs using start-dfs.sh I get this error message:
14/07/03 11:03:21 WARN util.NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
Starting namenodes on [OpenJDK 64-Bit Server VM warning: You have loaded
library /usr/local/hadoop/lib/native/libhadoop.so.1.0.0 which might have
disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c
<libfile>', or link it with '-z noexecstack'.
localhost]
sed: -e expression #1, char 6: unknown option to `s'
Server: ssh: Could not resolve hostname Server: Name or service not known
-c: Unknown cipher type 'cd'
stack: ssh: Could not resolve hostname stack: Name or service not known
64-Bit: ssh: Could not resolve hostname 64-Bit: Name or service not known
guard.: ssh: Could not resolve hostname guard.: Name or service not known
The: ssh: Could not resolve hostname The: Name or service not known
guard: ssh: Could not resolve hostname guard: Name or service not known
might: ssh: Could not resolve hostname might: Name or service not known
stack: ssh: Could not resolve hostname stack: Name or service not known
will: ssh: Could not resolve hostname will: Name or service not known
the: ssh: Could not resolve hostname the: Name or service not known
fix: ssh: Could not resolve hostname fix: Name or service not known
VM: ssh: Could not resolve hostname VM: Name or service not known
You: ssh: Could not resolve hostname You: Name or service not known
which: ssh: Could not resolve hostname which: Name or service not known
It's: ssh: Could not resolve hostname It's: Name or service not known
disabled: ssh: Could not resolve hostname disabled: Name or service not
known
try: ssh: Could not resolve hostname try: Name or service not known
localhost: namenode running as process 4463. Stop it first.
library: ssh: Could not resolve hostname library: Name or service not known
with: ssh: Could not resolve hostname with: Name or service not known
the: ssh: Could not resolve hostname the: Name or service not known
warning:: ssh: Could not resolve hostname warning:: Name or service not
known
VM: ssh: Could not resolve hostname VM: Name or service not known
now.: ssh: Could not resolve hostname now.: Name or service not known
loaded: ssh: Could not resolve hostname loaded: Name or service not known
library: ssh: Could not resolve hostname library: Name or service not known
<libfile>',: ssh: Could not resolve hostname <libfile>',: Name or service
not known
to: ssh: connect to host to port 22: Connection refused
OpenJDK: ssh: Could not resolve hostname OpenJDK: Name or service not known
have: ssh: Could not resolve hostname have: Name or service not known
have: ssh: Could not resolve hostname have: Name or service not known
with: ssh: Could not resolve hostname with: Name or service not known
fix: ssh: Could not resolve hostname fix: Name or service not known
noexecstack'.: ssh: Could not resolve hostname noexecstack'.: Name or
service not known
that: ssh: Could not resolve hostname that: Name or service not known
you: ssh: Could not resolve hostname you: Name or service not known
or: ssh: Could not resolve hostname or: Name or service not known
highly: ssh: Could not resolve hostname highly: Name or service not known
recommended: ssh: Could not resolve hostname recommended: Name or service
not known
'execstack: ssh: Could not resolve hostname 'execstack: Name or service not
known
link: ssh: Could not resolve hostname link: Name or service not known
it: ssh: Could not resolve hostname it: Name or service not known
'-z: ssh: Could not resolve hostname '-z: Name or service not known
localhost: datanode running as process 4561. Stop it first.
Starting secondary namenodes [OpenJDK 64-Bit Server VM warning: You have
loaded library /usr/local/hadoop/lib/native/libhadoop.so.1.0.0 which might
have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c
<libfile>', or link it with '-z noexecstack'.
0.0.0.0]
sed: -e expression #1, char 6: unknown option to `s'
OpenJDK: ssh: Could not resolve hostname OpenJDK: Name or service not known
-c: Unknown cipher type 'cd'
VM: ssh: Could not resolve hostname VM: Name or service not known
The authenticity of host '0.0.0.0 (0.0.0.0)' can't be established.
ECDSA key fingerprint is dd:64:53:7e:c0:62:40:c0:63:2b:5c:6d:1e:b6:cd:23.
Are you sure you want to continue connecting (yes/no)? might: ssh: Could
not resolve hostname might: Name or service not known
Server: ssh: Could not resolve hostname Server: Name or service not known
guard.: ssh: Could not resolve hostname guard.: Name or service not known
have: ssh: Could not resolve hostname have: Name or service not known
You: ssh: Could not resolve hostname You: Name or service not known
The: ssh: Could not resolve hostname The: Name or service not known
which: ssh: Could not resolve hostname which: Name or service not known
have: ssh: Could not resolve hostname have: Name or service not known
disabled: ssh: Could not resolve hostname disabled: Name or service not
known
VM: ssh: Could not resolve hostname VM: Name or service not known
It's: ssh: Could not resolve hostname It's: Name or service not known
fix: ssh: Could not resolve hostname fix: Name or service not known
the: ssh: Could not resolve hostname the: Name or service not known
warning:: ssh: Could not resolve hostname warning:: Name or service not
known
will: ssh: Could not resolve hostname will: Name or service not known
the: ssh: Could not resolve hostname the: Name or service not known
library: ssh: Could not resolve hostname library: Name or service not known
that: ssh: Could not resolve hostname that: Name or service not known
highly: ssh: Could not resolve hostname highly: Name or service not known
'execstack: ssh: Could not resolve hostname 'execstack: Name or service not
known
try: ssh: Could not resolve hostname try: Name or service not known
guard: ssh: Could not resolve hostname guard: Name or service not known
64-Bit: ssh: Could not resolve hostname 64-Bit: Name or service not known
loaded: ssh: Could not resolve hostname loaded: Name or service not known
library: ssh: Could not resolve hostname library: Name or service not known
fix: ssh: Could not resolve hostname fix: Name or service not known
to: ssh: connect to host to port 22: Connection refused
link: ssh: Could not resolve hostname link: Name or service not known
stack: ssh: Could not resolve hostname stack: Name or service not known
'-z: ssh: Could not resolve hostname '-z: Name or service not known
you: ssh: Could not resolve hostname you: Name or service not known
with: ssh: Could not resolve hostname with: Name or service not known
with: ssh: Could not resolve hostname with: Name or service not known
recommended: ssh: Could not resolve hostname recommended: Name or service
not known
stack: ssh: Could not resolve hostname stack: Name or service not known
now.: ssh: Could not resolve hostname now.: Name or service not known
<libfile>',: ssh: Could not resolve hostname <libfile>',: Name or service
not known
or: ssh: Could not resolve hostname or: Name or service not known
noexecstack'.: ssh: Could not resolve hostname noexecstack'.: Name or
service not known
it: ssh: Could not resolve hostname it: Name or service not known
^C0.0.0.0: Host key verification failed.
^C

My core-site.xml file contains this:

<configuration>
    <property>
       <name>fs.default.name</name>
       <value>hdfs://localhost:9000</value>
    </property>
</configuration>

My .profile(replacement for .bashrc) contains these lines:

export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64 export
HADOOP_INSTALL=/usr/local/hadoop export PATH=$PATH:$HADOOP_INSTALL/bin
export PATH=$PATH:$HADOOP_INSTALL/sbin export
HADOOP_MAPRED_HOME=$HADOOP_INSTALL export
HADOOP_COMMON_HOME=$HADOOP_INSTALL export HADOOP_HDFS_HOME=$HADOOP_INSTALL
export YARN_HOME=$HADOOP_INSTALL export
HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_INSTALL/lib/native export
HADOOP_OPTS="-Djava.library.path=$HADOOP_INSTALL/lib"

And I can easily ssh my localhost saying:

ssh localhost Welcome to Linux Mint 16 Petra (GNU/Linux 3.11.0-12-generic
x86_64)

Welcome to Linux Mint * Documentation: http://www.linuxmint.com Last login:
Wed Jul 2 16:51:15 2014 from localhost

--089e015372c69d5cfa04fd43ca61
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">When I try to start dfs using start-dfs.sh I get this erro=
r message:<div><div>14/07/03 11:03:21 WARN util.NativeCodeLoader: Unable to=
 load native-hadoop library for your platform... using builtin-java classes=
 where applicable</div>
<div>Starting namenodes on [OpenJDK 64-Bit Server VM warning: You have load=
ed library /usr/local/hadoop/lib/native/libhadoop.so.1.0.0 which might have=
 disabled stack guard. The VM will try to fix the stack guard now.</div>
<div>It&#39;s highly recommended that you fix the library with &#39;execsta=
ck -c &lt;libfile&gt;&#39;, or link it with &#39;-z noexecstack&#39;.</div>=
<div>localhost]</div><div>sed: -e expression #1, char 6: unknown option to =
`s&#39;</div>
<div>Server: ssh: Could not resolve hostname Server: Name or service not kn=
own</div><div>-c: Unknown cipher type &#39;cd&#39;</div><div>stack: ssh: Co=
uld not resolve hostname stack: Name or service not known</div><div>64-Bit:=
 ssh: Could not resolve hostname 64-Bit: Name or service not known</div>
<div>guard.: ssh: Could not resolve hostname guard.: Name or service not kn=
own</div><div>The: ssh: Could not resolve hostname The: Name or service not=
 known</div><div>guard: ssh: Could not resolve hostname guard: Name or serv=
ice not known</div>
<div>might: ssh: Could not resolve hostname might: Name or service not know=
n</div><div>stack: ssh: Could not resolve hostname stack: Name or service n=
ot known</div><div>will: ssh: Could not resolve hostname will: Name or serv=
ice not known</div>
<div>the: ssh: Could not resolve hostname the: Name or service not known</d=
iv><div>fix: ssh: Could not resolve hostname fix: Name or service not known=
</div><div>VM: ssh: Could not resolve hostname VM: Name or service not know=
n</div>
<div>You: ssh: Could not resolve hostname You: Name or service not known</d=
iv><div>which: ssh: Could not resolve hostname which: Name or service not k=
nown</div><div>It&#39;s: ssh: Could not resolve hostname It&#39;s: Name or =
service not known</div>
<div>disabled: ssh: Could not resolve hostname disabled: Name or service no=
t known</div><div>try: ssh: Could not resolve hostname try: Name or service=
 not known</div><div>localhost: namenode running as process 4463. Stop it f=
irst.</div>
<div>library: ssh: Could not resolve hostname library: Name or service not =
known</div><div>with: ssh: Could not resolve hostname with: Name or service=
 not known</div><div>the: ssh: Could not resolve hostname the: Name or serv=
ice not known</div>
<div>warning:: ssh: Could not resolve hostname warning:: Name or service no=
t known</div><div>VM: ssh: Could not resolve hostname VM: Name or service n=
ot known</div><div>now.: ssh: Could not resolve hostname now.: Name or serv=
ice not known</div>
<div>loaded: ssh: Could not resolve hostname loaded: Name or service not kn=
own</div><div>library: ssh: Could not resolve hostname library: Name or ser=
vice not known</div><div>&lt;libfile&gt;&#39;,: ssh: Could not resolve host=
name &lt;libfile&gt;&#39;,: Name or service not known</div>
<div>to: ssh: connect to host to port 22: Connection refused</div><div>Open=
JDK: ssh: Could not resolve hostname OpenJDK: Name or service not known</di=
v><div>have: ssh: Could not resolve hostname have: Name or service not know=
n</div>
<div>have: ssh: Could not resolve hostname have: Name or service not known<=
/div><div>with: ssh: Could not resolve hostname with: Name or service not k=
nown</div><div>fix: ssh: Could not resolve hostname fix: Name or service no=
t known</div>
<div>noexecstack&#39;.: ssh: Could not resolve hostname noexecstack&#39;.: =
Name or service not known</div><div>that: ssh: Could not resolve hostname t=
hat: Name or service not known</div><div>you: ssh: Could not resolve hostna=
me you: Name or service not known</div>
<div>or: ssh: Could not resolve hostname or: Name or service not known</div=
><div>highly: ssh: Could not resolve hostname highly: Name or service not k=
nown</div><div>recommended: ssh: Could not resolve hostname recommended: Na=
me or service not known</div>
<div>&#39;execstack: ssh: Could not resolve hostname &#39;execstack: Name o=
r service not known</div><div>link: ssh: Could not resolve hostname link: N=
ame or service not known</div><div>it: ssh: Could not resolve hostname it: =
Name or service not known</div>
<div>&#39;-z: ssh: Could not resolve hostname &#39;-z: Name or service not =
known</div><div>localhost: datanode running as process 4561. Stop it first.=
</div><div>Starting secondary namenodes [OpenJDK 64-Bit Server VM warning: =
You have loaded library /usr/local/hadoop/lib/native/libhadoop.so.1.0.0 whi=
ch might have disabled stack guard. The VM will try to fix the stack guard =
now.</div>
<div>It&#39;s highly recommended that you fix the library with &#39;execsta=
ck -c &lt;libfile&gt;&#39;, or link it with &#39;-z noexecstack&#39;.</div>=
<div>0.0.0.0]</div><div>sed: -e expression #1, char 6: unknown option to `s=
&#39;</div>
<div>OpenJDK: ssh: Could not resolve hostname OpenJDK: Name or service not =
known</div><div>-c: Unknown cipher type &#39;cd&#39;</div><div>VM: ssh: Cou=
ld not resolve hostname VM: Name or service not known</div><div>The authent=
icity of host &#39;0.0.0.0 (0.0.0.0)&#39; can&#39;t be established.</div>
<div>ECDSA key fingerprint is dd:64:53:7e:c0:62:40:c0:63:2b:5c:6d:1e:b6:cd:=
23.</div><div>Are you sure you want to continue connecting (yes/no)? might:=
 ssh: Could not resolve hostname might: Name or service not known</div>
<div>Server: ssh: Could not resolve hostname Server: Name or service not kn=
own</div><div>guard.: ssh: Could not resolve hostname guard.: Name or servi=
ce not known</div><div>have: ssh: Could not resolve hostname have: Name or =
service not known</div>
<div>You: ssh: Could not resolve hostname You: Name or service not known</d=
iv><div>The: ssh: Could not resolve hostname The: Name or service not known=
</div><div>which: ssh: Could not resolve hostname which: Name or service no=
t known</div>
<div>have: ssh: Could not resolve hostname have: Name or service not known<=
/div><div>disabled: ssh: Could not resolve hostname disabled: Name or servi=
ce not known</div><div>VM: ssh: Could not resolve hostname VM: Name or serv=
ice not known</div>
<div>It&#39;s: ssh: Could not resolve hostname It&#39;s: Name or service no=
t known</div><div>fix: ssh: Could not resolve hostname fix: Name or service=
 not known</div><div>the: ssh: Could not resolve hostname the: Name or serv=
ice not known</div>
<div>warning:: ssh: Could not resolve hostname warning:: Name or service no=
t known</div><div>will: ssh: Could not resolve hostname will: Name or servi=
ce not known</div><div>the: ssh: Could not resolve hostname the: Name or se=
rvice not known</div>
<div>library: ssh: Could not resolve hostname library: Name or service not =
known</div><div>that: ssh: Could not resolve hostname that: Name or service=
 not known</div><div>highly: ssh: Could not resolve hostname highly: Name o=
r service not known</div>
<div>&#39;execstack: ssh: Could not resolve hostname &#39;execstack: Name o=
r service not known</div><div>try: ssh: Could not resolve hostname try: Nam=
e or service not known</div><div>guard: ssh: Could not resolve hostname gua=
rd: Name or service not known</div>
<div>64-Bit: ssh: Could not resolve hostname 64-Bit: Name or service not kn=
own</div><div>loaded: ssh: Could not resolve hostname loaded: Name or servi=
ce not known</div><div>library: ssh: Could not resolve hostname library: Na=
me or service not known</div>
<div>fix: ssh: Could not resolve hostname fix: Name or service not known</d=
iv><div>to: ssh: connect to host to port 22: Connection refused</div><div>l=
ink: ssh: Could not resolve hostname link: Name or service not known</div>
<div>stack: ssh: Could not resolve hostname stack: Name or service not know=
n</div><div>&#39;-z: ssh: Could not resolve hostname &#39;-z: Name or servi=
ce not known</div><div>you: ssh: Could not resolve hostname you: Name or se=
rvice not known</div>
<div>with: ssh: Could not resolve hostname with: Name or service not known<=
/div><div>with: ssh: Could not resolve hostname with: Name or service not k=
nown</div><div>recommended: ssh: Could not resolve hostname recommended: Na=
me or service not known</div>
<div>stack: ssh: Could not resolve hostname stack: Name or service not know=
n</div><div>now.: ssh: Could not resolve hostname now.: Name or service not=
 known</div><div>&lt;libfile&gt;&#39;,: ssh: Could not resolve hostname &lt=
;libfile&gt;&#39;,: Name or service not known</div>
<div>or: ssh: Could not resolve hostname or: Name or service not known</div=
><div>noexecstack&#39;.: ssh: Could not resolve hostname noexecstack&#39;.:=
 Name or service not known</div><div>it: ssh: Could not resolve hostname it=
: Name or service not known</div>
<div>^C0.0.0.0: Host key verification failed.</div><div>^C</div></div><div>=
<br></div><div><p style=3D"margin:0px 0px 1em;padding:0px;border:0px;font-s=
ize:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Ar=
ial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;line-height:=
17.804800033569336px;background-image:initial;background-repeat:initial">
My core-site.xml file contains this:</p><pre style=3D"margin-top:0px;margin=
-bottom:10px;padding:5px;border:0px;font-size:14px;vertical-align:baseline;=
font-family:Consolas,Menlo,Monaco,&#39;Lucida Console&#39;,&#39;Liberation =
Mono&#39;,&#39;DejaVu Sans Mono&#39;,&#39;Bitstream Vera Sans Mono&#39;,&#3=
9;Courier New&#39;,monospace,serif;overflow:auto;width:auto;max-height:600p=
x;word-wrap:normal;color:rgb(0,0,0);line-height:17.804800033569336px;backgr=
ound:rgb(238,238,238)">
<code style=3D"margin:0px;padding:0px;border:0px;vertical-align:baseline;fo=
nt-family:Consolas,Menlo,Monaco,&#39;Lucida Console&#39;,&#39;Liberation Mo=
no&#39;,&#39;DejaVu Sans Mono&#39;,&#39;Bitstream Vera Sans Mono&#39;,&#39;=
Courier New&#39;,monospace,serif;white-space:inherit;background-image:initi=
al;background-repeat:initial">&lt;configuration&gt;
    &lt;property&gt;
       &lt;name&gt;<a href=3D"http://fs.default.name">fs.default.name</a>&l=
t;/name&gt;
       &lt;value&gt;hdfs://localhost:9000&lt;/value&gt;
    &lt;/property&gt;
&lt;/configuration&gt;</code></pre><p style=3D"margin:0px 0px 1em;padding:0=
px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0=
,0,0);font-family:Arial,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,san=
s-serif;line-height:17.804800033569336px;background-image:initial;backgroun=
d-repeat:initial">
My .profile(replacement for .bashrc) contains these lines:</p><blockquote s=
tyle=3D"margin:0px 0px 10px;padding:10px 10px 1px;border:0px;font-size:14px=
;vertical-align:baseline;quotes:none;color:rgb(0,0,0);font-family:Arial,&#3=
9;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;line-height:17.8048=
00033569336px;background:rgb(238,238,238)">
<p style=3D"margin:0px 0px 1em;padding:0px;border:0px;vertical-align:baseli=
ne;clear:both;background:transparent">export JAVA_HOME=3D/usr/lib/jvm/java-=
7-openjdk-amd64 export HADOOP_INSTALL=3D/usr/local/hadoop export PATH=3D$PA=
TH:$HADOOP_INSTALL/bin export PATH=3D$PATH:$HADOOP_INSTALL/sbin export HADO=
OP_MAPRED_HOME=3D$HADOOP_INSTALL export HADOOP_COMMON_HOME=3D$HADOOP_INSTAL=
L export HADOOP_HDFS_HOME=3D$HADOOP_INSTALL export YARN_HOME=3D$HADOOP_INST=
ALL export HADOOP_COMMON_LIB_NATIVE_DIR=3D$HADOOP_INSTALL/lib/native export=
 HADOOP_OPTS=3D&quot;-Djava.library.path=3D$HADOOP_INSTALL/lib&quot;</p>
</blockquote><p style=3D"margin:0px 0px 1em;padding:0px;border:0px;font-siz=
e:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Aria=
l,&#39;Liberation Sans&#39;,&#39;DejaVu Sans&#39;,sans-serif;line-height:17=
.804800033569336px;background-image:initial;background-repeat:initial">
And I can easily ssh my localhost saying:</p><blockquote style=3D"margin:0p=
x 0px 10px;padding:10px 10px 1px;border:0px;font-size:14px;vertical-align:b=
aseline;quotes:none;color:rgb(0,0,0);font-family:Arial,&#39;Liberation Sans=
&#39;,&#39;DejaVu Sans&#39;,sans-serif;line-height:17.804800033569336px;bac=
kground:rgb(238,238,238)">
<p style=3D"margin:0px 0px 1em;padding:0px;border:0px;vertical-align:baseli=
ne;clear:both;background:transparent">ssh localhost Welcome to Linux Mint 1=
6 Petra (GNU/Linux 3.11.0-12-generic x86_64)</p><p style=3D"margin:0px 0px =
1em;padding:0px;border:0px;vertical-align:baseline;clear:both;background:tr=
ansparent">
Welcome to Linux Mint * Documentation:=C2=A0<a href=3D"http://www.linuxmint=
.com/" rel=3D"nofollow" style=3D"margin:0px;padding:0px;border:0px;vertical=
-align:baseline;color:rgb(74,107,130);text-decoration:none;background:trans=
parent">http://www.linuxmint.com</a>=C2=A0Last login: Wed Jul 2 16:51:15 20=
14 from localhost</p>
</blockquote></div></div>

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