jaylac wrote:
hi richardMy system is hanging always.. this is not a rare event for me. I cant trace out what i the problem.... please help me... Following are log files... Here auriga is the name of thre slave node. In the slave node 2007-03-23 14:37:56,108 ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task trackerbecause java.net.UnknownHostException: auriga: auriga at java.net.InetAddress.getLocalHost(InetAddress.java:1315) at org.apache.hadoop.net.DNS.getDefaultHost(DNS.java:169) ============================================================================= hadoop-jaya-datanode-auriga.log file --------------------------------------------------------- 2007-03-23 14:37:54,248 ERROR org.apache.hadoop.dfs.DataNode: java.net.UnknownHostException: auriga: auriga at java.net.InetAddress.getLocalHost(InetAddress.java:1315) at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:178)
It looks like a dns issue; please check with your sysadmin. What does $ host auriga say? Arun
