Re: localhost:9000 and ip:9000 is not the same ?

2009-08-25 Thread HRoger
fs.default.name is the run the namenode machine,is it 192.168.1.103? zjffdu wrote: > > Hi all, > > > > I have two computers, and in the hadoop-site.xml, I define the > fs.default.name as localhost:9000, then I cannot access the cluster with > Java API from another machine > > But if I chang

Re: localhost:9000 and ip:9000 is not the same ?

2009-08-24 Thread Edward Capriolo
On Mon, Aug 24, 2009 at 8:55 PM, Matt Massie wrote: > Jeff- > > If you look in /etc/hosts, you see the "localhost" is 127.0.0.1 (and if you > use IPv6, ::1).  This address is strictly loopback and can only be used for > inter-process communication on a single machine. > > See: http://en.wikipedia.o

Re: localhost:9000 and ip:9000 is not the same ?

2009-08-24 Thread Matt Massie
Jeff- If you look in /etc/hosts, you see the "localhost" is 127.0.0.1 (and if you use IPv6, ::1). This address is strictly loopback and can only be used for inter-process communication on a single machine. See: http://en.wikipedia.org/wiki/Localhost -Matt On Mon, Aug 24, 2009 at 5:47 PM, zhan

Re: localhost:9000 and ip:9000 is not the same ?

2009-08-24 Thread Aaron Kimball
Jeff, Hadoop (HDFS in particular) is overly strict about machine names. The filesystem's id is based on the DNS name used to access it. This needs to be consistent across all nodes and all configurations in your cluster. You should always use the fully-qualified domain name of the namenode in your

localhost:9000 and ip:9000 is not the same ?

2009-08-24 Thread zhang jianfeng
Hi all, I have two computers, and in the hadoop-site.xml, I define the fs.default.name as localhost:9000, then I cannot access the cluster with Java API from another machine But if I change it to its real IP 192.168.1.103:9000, then I can access the cluster with Java API from another machine.