Details
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Task
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Status: Resolved
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Major
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Resolution: Cannot Reproduce
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None
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None
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None
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None
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CentOS 5.0
Description
hi,
while installin hadoop ... i can do the following step
"bin/hadoop namenode -format"...it got success
After when i do
"bin/start-all.sh"....the following error occurs........
starting namenode, logging to /hadoop/hadoop/bin/../logs/hadoop-hadoop-namenode-localhost.localdomain.out
localhost: ssh: localhost: Name or service not known
hadoop@master's password:
master: starting secondarynamenode, logging to /hadoop/hadoop/bin/../logs/hadoop-hadoop-secondarynamenode-localhost.localdomain.out
master: Exception in thread "main" java.lang.NullPointerException
master: at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134)
master: at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:156)
master: at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:160)
master: at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:131)
master: at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:115)
master: at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:469)
starting jobtracker, logging to /hadoop/hadoop/bin/../logs/hadoop-hadoop-jobtracker-localhost.localdomain.out
localhost: ssh: localhost: Name or service not known
Pls help me to solve this........
Also i did not configure
"nano conf/core-site.xml"
"nano conf/hdfs-site.xml"
"nano conf/mapred-site.xml"