-namenode / mr jobs work... but external connection fails (video link)
Jay Vyas 2011-10-30, 02:36
Hi guys :
Well, I finally got my hadoop working just fine by using a different VM.
This is a little crazy but .... I decided to make it easier to see my
scenario so I put a little 4min video.
The resolution is bad, but you can see that
1) (at the end) a map reduce job runs fine on the node itself using
2) (beggining) ports, such as 50070 are generally open --- but my java code
(running on host machine in eclipse), fails to connect over the vm.
Any thoughts ?
** Note : The hadoop versions may not match up exactly --- would that result
in a connection error ? I assume not, since the hdfs:// protocol is not
I assume that the hdfs protocol shouldnt need any additional security.