hi
how to start a namenode using hadoop api
i am getting following error
while i am trying to do
nn=new NameNode(conf);
java.io.IOException: javax.security.auth.login.LoginException: Login failed:
CreateProcess: whoami error=2
at
org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGroupInformation.java:250)
at
org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGroupInformation.java:268)
at
org.apache.hadoop.dfs.FSNamesystem.setConfigurationParameters(FSNamesystem.java:329)
at
org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:248)
at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:235)
at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:130)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:175)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:161)
at tdfsconfig.TtlDfsConfigurator.<init>(TtlDfsConfigurator.java:33)
at tdfsconfig.TtlDfsConfigurator.main(TtlDfsConfigurator.java:43)
at
org.apache.hadoop.dfs.FSNamesystem.setConfigurationParameters(FSNamesystem.java:331)
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