Hadoop Installation On Windows Xp

Hadoop/conf/hadoop-‐env.sh: • Mac OS users can use. • Linux users can run “which java” command to obtain the path. Note that the JAVA_HOME variable shouldn't contain the bin/java at the end of path. 4) Create an RSA key to be used by hadoop.

I followed you tutorial for installing single node cluster. I lost at 2 points. I would like to have your help at those step. 1.In.bashrc file, export JAVA_HOME was not present.

You told that we have to comment it. But since it was not present i though of putting it by my own (Please correct me if i am wrong) 2.When i wrote echo $JAVA_HOME, cygwin terminal was blank(i guess i mess up at above statement which cause this problem) 3.f) Now edit /conf/hadoop-env.sh to set Java home as you did it before for environmental variable setup (Since I already set my JAVA_HOME in.bashrc so I gave JAVA_HOME=$JAVA_HOME) At this step since the value of echo $JAVA_HOME was nothing i though of putting the path once again 4. Assuming create “data” and “name” directory from your home directory, I created a directory hadoop-dir and inside that I have created 2 directories one for name node and other for data node w.r.t above point i would like to ask where should i see for data and name folder. I am stuck cannot move forward Search a lot but could not find a relaible solution •. Hi Sunder: My JAVA_HOME is set to C: jdk1.6.0_12 and my OS is Windows Vista. As described in you instructions, I installed Cygwin, SSHD and set my RCA.

But at the end of your step 5, when I check: ssh localhost I got following response: Connection closed by::1 If I run start-all.sh and check processes, I can see several processes could not start: start datanode localhost: Connection closed by::1 start secondary namenode localhost: Connection closed by::1 start tasktracker localhost: Connection closed by::1 So, by using jps, I only can see: 9228 NameNode 7496 JobTracker 6548 Jps I tried many ways to fix the issue, and failed. Any suggestions? Should I reinstall Cygwin? Thanks a lot for your instructions and help Sherman •.

Dear Sundar, Thanks for taking time to create the wonderful tutorial that helps. I followed your steps, but known_hosts file is not showing up and ssh localhost is refusing connection. Any idea what I may have missed. $ ssh-keygen Generating public/private rsa key pair.

Enter file in which to save the key (/home/jay/.ssh/id_rsa): Created directory ‘/home/jay/.ssh’. Tecdoc Keygen Download For Idm. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/jay/.ssh/id_rsa. Your public key has been saved in /home/jay/.ssh/id_rsa.pub. The key fingerprint is: be:2e:6c:d6:12:b4:2b:17:5c:2e:10:99:c0:8c:6e:aa jay@MYCOMPUTER The key’s randomart image is: +–[ RSA 2048]—-+ +.

O + .. o... o + +S . O. = +o +—————–+ jay@MYCOMPUTER ~ $ cd ~/.ssh jay@MYCOMPUTER ~/.ssh $ cat id_rsa.pub >>authorized_keys jaym@MYCOMPUTER ~/.ssh $ ssh localhost ssh: connect to host localhost port 22: Connection refused jay@MYCOMPUTER ~/.ssh $ ls -l total 6 -rw-r–r– 1 Techm None 401 Nov 9 09:06 authorized_keys -rw——- 1 Techm None 1679 Nov 9 09:05 id_rsa -rw-r–r– 1 Techm None 401 Nov 9 09:05 id_rsa.pub great rgds, jay •. Hi All, I tried the Cygwin installation, and faced problems. I am on Windows 7, and when you try to give ntsec for the CYGWIN environment variable prompt, I get some warnings and a prompt suggests if I should I use cyg_user.

When I gave cyg_user and completed the sshd service, I faced problems. Finally, I removed Cygwin from my machine and installed again, and this time gave the account with which I have logged into my Windows as the CYGWIN environment variable. Sshd is working fine now.

Currently am downloading the hadoop release. Regards, Suresh •. Hi Sunderc, Thanks for very nice tutorial.

I have tangled for a long time (more then 2 weeks) in setting JAVA-HOME. Read all forum didn’t help.

All the setting I have:.bachrc: export JAVA_HOME=”C: Progra~1 Java jdk1.7.0_51 ” hadoop-env.sh: export JAVA_HOME=$JAVA_HOME JAVA_HOME in win environmental variable: C: Progra~1 Java jdk1.7.0_51 Note: I replaced “Program Files” with “Progra~1”. It didn’t work anyway $ java -version gives me answer java version “1.7.0_51″ Java(TM) SE Runtime Environment (build 1.7.0_51-b13) Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode) $ export contains JAVA_HOME=”C: Program Files Java jdk1.7.0_51 ” But $ echo JAVA_HOME returns JAVA_HOME!!

When I try to call hadoop namenode -format the answer is: DEPRECATED: Use of this script to execute hdfs command is deprecated. Instead use the hdfs command for it. Error: Could not find or load main class org.apache.hadoop.hdfs.server.namenode.NameNode The same answer when I try./hdfs namenode -format All I found is that the setting for JAVA_HOME is WRONG! I’ve tried any possible combinations but still it’s not work!! Please help me to find it out where I’m doing something wrong.

Thanks in advance, Fatemeh •. Hi getting following error. Java.lang.NoClassDefFoundError: org/apache/hadoop/hdfs/server/namenode/NameNode Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hdfs.server.namenode.NameNode at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) Could not find the main class: org.apache.hadoop.hdfs.server.namenode.NameNode.

Program will exit. Exception in thread “main” This is really frustrating. If anybody resolved, please reply. Thanks in advance •. Hi team/sundersingh i am working with hadoop 2.3 in cygwin 64, i am using hdfs command and it is showing below mentioned error and every thing in the classpath but still it is giving the exception please help me out sunder gi step 10 $./hdfs namenode -format log4j:WARN No appenders could be found for logger (org.apache.hadoop.util.Shell). Log4j:WARN Please initialize the log4j system properly. Log4j:WARN See for more info.

Formatting using clusterid: CID-7dade3f9-a893-464b-90b9-cb990b3e786f Re-format filesystem in Storage Directory tmp hadoop-us dfs name? (Y or N) y step 11 please look into the exception below $ hadoop dfs –copyFromLocal /home/us/hadoopfiles/sample.txt or else $./hdfs dfs log4j:WARN No appenders could be found for logger (org.apache.hadoop.util.Shell). Log4j:WARN Please initialize the log4j system properly.

Log4j:WARN See for more info. Fluch Der Karibik 4 Musik Download there.