Google was my first step in trying to track this down. I found the issue you listed, but that is a namenode related problem. Our namenode and the other 10 datanodes are just fine. Only the new box is having this problem.
On 3/18/10 4:41 PM, "Jean-Daniel Cryans" <jdcry...@apache.org> wrote: > Google is your friend ;) > > https://issues.apache.org/jira/browse/HADOOP-5687 > > J-D > > On Thu, Mar 18, 2010 at 1:29 PM, Scott <skes...@weather.com> wrote: >> We have a working 10 node cluster and are trying to add an 11th box (insert >> Spinal Tap joke here). The box (Centos Linux) was built in an identical >> manner to the other 10 and has the same version of hadoop (0.20.2). The >> configs are the exact same as the other nodes. However when trying to start >> the hadoop daemons it throws a NPE. Here is all that is written to the >> logs. Any idea whats causing this? >> >> ************************************************************/ >> 2010-03-18 16:09:42,993 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG: >> /************************************************************ >> STARTUP_MSG: Starting DataNode >> STARTUP_MSG: host = hadoop0b10/192.168.60.100 >> 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 Fri Feb >> 19 08:07:34 UTC 2010 >> ************************************************************/ >> 2010-03-18 16:09:43,058 ERROR >> org.apache.hadoop.hdfs.server.datanode.DataNode: >> java.lang.NullPointerException >> at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:156) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:160) >> at >> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:2 >> 46) >> at >> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:216) >> at >> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:12 >> 83) >> at >> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode. >> java:1238) >> at >> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java: >> 1246) >> at >> org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1368) >> >> 2010-03-18 16:09:43,059 INFO >> org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG: >> /************************************************************ >> SHUTDOWN_MSG: Shutting down DataNode at hadoop0b10/192.168.60.100 >> ************************************************************/ >> >>
