On Mon, Mar 12, 2012 at 7:24 AM, Jiajun Chen <[email protected]> wrote: > 2012-03-12 22:05:52,822 FATAL org.apache.hadoop.hbase.master.HMaster: > Unhandled exception. Starting shutdown. > java.lang.NullPointerException
This looks like https://issues.apache.org/jira/browse/HBASE-5279. Try the 0.92.1 release candidate and see if it fixes your issue: http://people.apache.org/~stack/hbase-0.92.1-candidate-0/ St.Ack
