CODEWITHSUNDEEP
hadoop
user3260156
user3260156

Reputation:

Error in formatting in Namenode in hadoop

i have installed hadoop , based on cygwin and windows. i have followed the steps from the site: http://ebiquity.umbc.edu/Tutorials/Hadoop/12%20-%20format%20the%20namendoe.html. but stucked at formatting namendoe.

This give me following error :

$ bin/hadoop namenode -format
14/02/01 15:29:59 INFO namenode.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG:   host = Satheesh/192.168.2.5
STARTUP_MSG:   args = [-format]
STARTUP_MSG:   version = 0.19.1
STARTUP_MSG:   build = https://svn.apache.org/repos/asf/hadoop/core/branches/bra                                                                                                                nch-0.19 -r 745977; compiled by 'ndaley' on Fri Feb 20 00:16:34 UTC 2009
************************************************************/
14/02/01 15:29:59 ERROR namenode.NameNode: java.io.IOException: javax.security.a                                                                                                                uth.login.LoginException: Login failed: Expect one token as the result of whoami                                                                                                                : satheesh\satheesh kumar
        at org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGro                                                                                                                upInformation.java:250)
        at org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGro                                                                                                                upInformation.java:275)
        at org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGro                                                                                                                upInformation.java:257)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setConfigurationP                                                                                                                arameters(FSNamesystem.java:426)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesyst                                                                                                                em.java:415)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:                                                                                                                765)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNo                                                                                                                de.java:851)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:86                                                                                                                8)

        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setConfigurationP                                                                                                                arameters(FSNamesystem.java:428)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesyst                                                                                                                em.java:415)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:                                                                                                                765)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNo                                                                                                                de.java:851)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:86                                                                                                                8)

14/02/01 15:29:59 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at Satheesh/192.168.2.5
************************************************************/

pls help me.

Upvotes: 1

Views: 739

Answers (2)

user3260156
user3260156

Reputation:

Anyway thnks , i finally got the solution , the configuration of cygwin is DOS command promt based so it doesnt accept space in user name. The space between name "Satheesh Kumar" does not accepts in my case. So i created a new user account and tried it again and got finally executed.

Upvotes: 1

Vikas Hardia
Vikas Hardia

Reputation: 2695

Namenode is not formating because ssh is not working.

To check run this 

ssh localhost

If it.prompt you for password you have to perform step for ssh login please see below link.

http://ebiquity.umbc.edu/Tutorials/Hadoop/05%20-%20Setup%20SSHD.html

Upvotes: 0

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