Hi Jon, could you please restart your daemons? According to your firsts log files NameNode binds to 127.0.0.1:8020 which is weird since your configuration file and the output of netstat show the port 9000.
cheers, esteban. On Sun, Jan 2, 2011 at 18:02, Jon Lederman <[email protected]> wrote: > Hi Esteban, > > Thanks for your response. > > I don't have the fuser executable installed on the environment I am running > on. > > However, I do find the following: > > # jps > 923 JobTracker > 870 SecondaryNameNode > 1188 Jps > 794 DataNode > 996 TaskTracker > 727 NameNode > # netstat -l > Active Internet connections (only servers) > Proto Recv-Q Send-Q Local Address Foreign Address State > tcp 0 0 (null):sunrpc (null):* LISTEN > tcp 0 0 (null):ssh (null):* LISTEN > tcp 2 0 localhost.localdomain:9000 :::* > LISTEN > tcp 0 0 localhost.localdomain:9001 :::* > LISTEN > tcp 0 0 ::%989480:50060 :::* LISTEN > tcp 0 0 ::%989704:50030 :::* LISTEN > tcp 0 0 ::%989480:50070 :::* LISTEN > tcp 0 0 ::%989480:telnet :::* LISTEN > udp 0 0 (null):sunrpc (null):* > Active UNIX domain sockets (only servers) > Proto RefCnt Flags Type State I-Node Path > unix 2 [ ACC ] STREAM LISTENING 1281 @MONITOR_617_1 > # > > So, all of the daemons are running. Please note the following out of my > log files: > > When I look at the log files, the NameNode on startup indicates: > Network topology has 0 racks and 0 datanodes > Also, my DataNode startup log is suspiciously short indicating only. > /************************************************************ > STARTUP_MSG: Starting DataNode > STARTUP_MSG: host = localhost/127.0.0.1 > STARTUP_MSG: args = [] > STARTUP_MSG: version = 0.20.2 > STARTUP_MSG: build = > https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r > 911707; compiled by 'chrisdo' on F > ri Feb 19 08:07:34 UTC 2010 > ************************************************************/ > There is no attempt from the DataNode to communicate or otherwise establish > communication with the NameNode. It appears to me that the NameNode and > DataNode aren't communicating, which may be the source of my problem. > However, i don't know why this would be or how I can debug it since I am > not sure of the internal operation of Hadoop. > > Any thoughts on all of this. Thanks in advance. > > -Jon > >
