Are you running a single-node cluster, or multi-node? Also, what is your `hbase.master` property set to in your conf/hbase-site.xml? I'm curious whether your region server is being run within the same process as the master.
Finally, did you do anything else prior to running that query, such as deleting and recreating the table, or issuing a "DELETE * FROM tablename"? Dropping a table or deleting all rows therefrom has been known to make regions go offline. -- Jim R. Wilson (jimbojw) On Mon, May 12, 2008 at 4:46 AM, Jason Sheldon <[EMAIL PROTECTED]> wrote: > Hi > > I just got my hbase running and did a create for a very simple table just > to familiarise myself. It contains name,surname and a few arbitrary columns; > > When I go into hbase shell and type > > select * from UserTable where row='1'; > > I get > > INFO hbase.HTable: Creating scanner over User starting at key > org.apache.hadoop.hbase.NotServingRegionException: > org.apache.hadoop.hbase.NotServingRegionException: User,,1210582227961 > at > org.apache.hadoop.hbase.HRegionServer.getRegion(HRegionServer.java:1744) > at > org.apache.hadoop.hbase.HRegionServer.getRegion(HRegionServer.java:1716) > at > org.apache.hadoop.hbase.HRegionServer.openScanner(HRegionServer.java:1585) > at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:585) > at > org.apache.hadoop.hbase.ipc.HbaseRPC$Server.call(HbaseRPC.java:413) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:901) > > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) > at java.lang.reflect.Constructor.newInstance(Constructor.java:494) > at > org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:82) > at > org.apache.hadoop.hbase.HTable$ClientScanner.nextScanner(HTable.java:874) > at > org.apache.hadoop.hbase.HTable$ClientScanner.<init>(HTable.java:817) > at org.apache.hadoop.hbase.HTable.obtainScanner(HTable.java:522) > at org.apache.hadoop.hbase.HTable.obtainScanner(HTable.java:411) > at > org.apache.hadoop.hbase.hql.SelectCommand.scanPrint(SelectCommand.java:219) > at > org.apache.hadoop.hbase.hql.SelectCommand.execute(SelectCommand.java:100) > at > org.apache.hadoop.hbase.hql.HQLClient.executeQuery(HQLClient.java:50) > at org.apache.hadoop.hbase.Shell.main(Shell.java:114) > > > > Jason Sheldon > Platform Engineer > SynthaSite > > Web: http://www.synthasite.com > > > >
