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From derevo <...@inbox.ru>
Subject Re: two servers nutch hadoop
Date Mon, 30 Apr 2007 16:16:18 GMT

The slave1 server see open ports

slave1# nmap -v -sS -p 9000-9100 216.32.77.34

Starting Nmap 4.20 ( http://insecure.org ) at 2007-04-30 10:00 CDT
Scanning reverse89.reserver.ru (216.32.77.34) [101 ports]
Discovered open port 9000/tcp on 216.32.77.34
Discovered open port 9001/tcp on 216.32.77.34
PORT     STATE SERVICE
9000/tcp open  unknown
9001/tcp open  unknown
Nmap finished: 1 IP address (1 host up) scanned in 2.049 seconds
               Raw packets sent: 168 (7372B) | Rcvd: 169 (7786B)


on both server in conf/hadoop-site.xml  i have 

      		<name>fs.default.name</name>
		<value>216.32.77.34:9000</value>

		<name>mapred.job.tracker</name>
		<value>216.32.77.34:9001</value>





>So, the port is not open to the slave servers. Only the master can
>connect to both 9000 and 9001.  Hey, I just ran into that problem on
>Friday.  Not sure how this thing is getting set that way.



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