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From CubicDesign <cubicdes...@gmail.com>
Subject Re: Ubuntu/Hadoop incompatibilities?
Date Mon, 17 Aug 2009 20:33:48 GMT
Thank you all for your answers.

My problem with Hadoop on Ubuntu is that I cannot make the DataNode 
server to work properly (at least this is where I think the error is). I 
get an "File jobtracker.info could only be replicated to 0 nodes instead 
of 1" error message. All other servers are running fine. I am running 
Hadoop in a single (test) machine.


The results for jps and netstats are:


jps
4465 NameNode
4553 DataNode
5105 Jps
4717 JobTracker
4649 SecondaryNameNode
4807 TaskTracker


    
sudo netstat -plten | grep java
tcp        0      0 0.0.0.0:50722           0.0.0.0:*               
LISTEN      1000       13858       4553/java      
tcp        0      0 0.0.0.0:50020           0.0.0.0:*               
LISTEN      1000       15130       4553/java      
tcp        0      0 127.0.0.1:54310         0.0.0.0:*               
LISTEN      1000       13564       4465/java      
tcp        0      0 127.0.0.1:54311         0.0.0.0:*               
LISTEN      1000       14571       4717/java      
tcp        0      0 0.0.0.0:59080           0.0.0.0:*               
LISTEN      1000       14547       4717/java      
tcp        0      0 0.0.0.0:50090           0.0.0.0:*               
LISTEN      1000       14943       4649/java      
tcp        0      0 127.0.0.1:40555         0.0.0.0:*               
LISTEN      1000       15057       4807/java      
tcp        0      0 0.0.0.0:50060           0.0.0.0:*               
LISTEN      1000       15031       4807/java      
tcp        0      0 0.0.0.0:47661           0.0.0.0:*               
LISTEN      1000       14247       4649/java      
tcp        0      0 0.0.0.0:50030           0.0.0.0:*               
LISTEN      1000       14941       4717/java      
tcp        0      0 0.0.0.0:57839           0.0.0.0:*               
LISTEN      1000       13514       4465/java      
tcp        0      0 0.0.0.0:50070           0.0.0.0:*               
LISTEN      1000       14533       4465/java      
tcp        0      0 0.0.0.0:50010           0.0.0.0:*               
LISTEN      1000       14765       4553/java      
tcp        0      0 0.0.0.0:50075           0.0.0.0:*               
LISTEN      1000       14946       4553/java      
  


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