hbase create table error

gistfile1.txt

Type "exit<RETURN>" to leave the HBase Shell
Version 0.92.0-cdh4b1, rUnknown, Fri Feb 10 17:42:51 PST 2012

hbase(main):001:0> create 'foo', 'bar'
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/usr/lib/hbase/lib/slf4j-log4j12-1.5.8.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/lib/zookeeper/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

ERROR: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=7, exceptions:
Fri Mar 09 06:51:56 EST 2012, org.apache.hadoop.hbase.client.ScannerCallable@29d6399b, java.io.IOException: HRegionInfo was null or empty in -ROOT-, row=keyvalues={.META.,,1/info:server/1331293790405/Put/vlen=15, .META.,,1/info:serverstartcode/1331293790405/Put/vlen=8}
Fri Mar 09 06:52:08 EST 2012, org.apache.hadoop.hbase.client.ScannerCallable@29d6399b, java.io.IOException: HRegionInfo was null or empty in -ROOT-, row=keyvalues={.META.,,1/info:server/1331293790405/Put/vlen=15, .META.,,1/info:serverstartcode/1331293790405/Put/vlen=8}
Fri Mar 09 06:52:20 EST 2012, org.apache.hadoop.hbase.client.ScannerCallable@29d6399b, java.io.IOException: HRegionInfo was null or empty in -ROOT-, row=keyvalues={.META.,,1/info:server/1331293790405/Put/vlen=15, .META.,,1/info:serverstartcode/1331293790405/Put/vlen=8}
Fri Mar 09 06:52:32 EST 2012, org.apache.hadoop.hbase.client.ScannerCallable@29d6399b, java.io.IOException: HRegionInfo was null or empty in -ROOT-, row=keyvalues={.META.,,1/info:server/1331293790405/Put/vlen=15, .META.,,1/info:serverstartcode/1331293790405/Put/vlen=8}
Fri Mar 09 06:52:45 EST 2012, org.apache.hadoop.hbase.client.ScannerCallable@29d6399b, java.io.IOException: HRegionInfo was null or empty in -ROOT-, row=keyvalues={.META.,,1/info:server/1331293790405/Put/vlen=15, .META.,,1/info:serverstartcode/1331293790405/Put/vlen=8}
Fri Mar 09 06:52:58 EST 2012, org.apache.hadoop.hbase.client.ScannerCallable@29d6399b, java.io.IOException: HRegionInfo was null or empty in -ROOT-, row=keyvalues={.META.,,1/info:server/1331293790405/Put/vlen=15, .META.,,1/info:serverstartcode/1331293790405/Put/vlen=8}
Fri Mar 09 06:53:13 EST 2012, org.apache.hadoop.hbase.client.ScannerCallable@29d6399b, java.io.IOException: HRegionInfo was null or empty in -ROOT-, row=keyvalues={.META.,,1/info:server/1331293790405/Put/vlen=15, .META.,,1/info:serverstartcode/1331293790405/Put/vlen=8}