Hi all!
I cannot start hdfs successful. I checked log file and found following message: 2009-05-09 08:17:55,026 INFO org.apache.hadoop.dfs.DataNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting DataNode STARTUP_MSG: host = haris1.asnet.local/192.168.1.180 STARTUP_MSG: args = [] STARTUP_MSG: version = 0.18.2 STARTUP_MSG: build = https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.18 -r 709042; compiled by 'ndaley' on Thu Oct 30 01:07:18 UTC 2008 ************************************************************/ 2009-05-09 08:17:55,302 ERROR org.apache.hadoop.dfs.DataNode: java.io.IOException: Incompatible namespaceIDs in /tmp/hadoop-root/dfs/data: namenode namespaceID = 880518114; datanode namespaceID = 461026751 at org.apache.hadoop.dfs.DataStorage.doTransition(DataStorage.java:226) at org.apache.hadoop.dfs.DataStorage.recoverTransitionRead(DataStorage.java:141) at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java:306) at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:223) at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java:3031) at org.apache.hadoop.dfs.DataNode.instantiateDataNode(DataNode.java:2986) at org.apache.hadoop.dfs.DataNode.createDataNode(DataNode.java:2994) at org.apache.hadoop.dfs.DataNode.main(DataNode.java:3116) 2009-05-09 08:17:55,303 INFO org.apache.hadoop.dfs.DataNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down DataNode at haris1.asnet.local/192.168.1.180 ************************************************************/ Please help me! P/s: I's using Hadoop-0.18.2 and Hbase 0.18.1 Thanks, Best. Nguyen
