Eli, What is your fs.default.name set to, in core-site.xml?
On Tue, Jan 10, 2012 at 1:07 AM, Eli Finkelshteyn <[email protected]> wrote: > Positive. Like I said before, netstat -a | grep 8020 gives me nothing. Even > if the firewall was the problem, that should still give me output that the > port is listening, but I'd just be unable to hit it from an outside box (I > tested this by blocking port 50070, at which point it still showed up in > netstat -a, but was inaccessible through http from a remote machine). This > problem is something else. > > > On 1/9/12 2:31 PM, zGreenfelder wrote: >> >> On Mon, Jan 9, 2012 at 1:58 PM, Eli Finkelshteyn<[email protected]> >> wrote: >>> >>> More info: >>> >>> In the DataNode log, I'm also seeing: >>> >>> 2012-01-09 13:06:27,751 INFO org.apache.hadoop.ipc.Client: Retrying >>> connect >>> to server: localhost/127.0.0.1:8020. Already tried 9 time(s). >>> >>> Why would things just not load on port 8020? I feel like all the errors >>> I'm >>> seeing are caused by this, but I can't see any errors about why this >>> occurred in the first place. >>> >> are you sure there isn't a firewall in place blocking port 8020? >> e.g. iptables on the local machines? if you do >> telnet localhost 8020 >> do you make a connection? if you use lsof and/or netstat can you see >> the port open? >> if you have root access you can try turning off the firewall with >> iptables -F to see if things work without firewall rules. > > -- Harsh J
