| Package | Description | 
|---|---|
| org.apache.hadoop.hbase | |
| org.apache.hadoop.hbase.client | Provides HBase Client | 
| org.apache.hadoop.hbase.exceptions | |
| org.apache.hadoop.hbase.master.assignment | |
| org.apache.hadoop.hbase.master.procedure | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | UnknownRegionExceptionThrown when we are asked to operate on a region we know nothing about. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | NoServerForRegionExceptionThrown when no region server can be found for a region | 
| class  | RowTooBigExceptionGets or Scans throw this exception if running without in-row scan flag
 set and row size appears to exceed max configured size (configurable via
 hbase.table.max.rowsize). | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MergeRegionExceptionThrown when something is wrong in trying to merge two regions. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | RegionStateNode. checkOnline() | 
| Modifier and Type | Method and Description | 
|---|---|
| protected static void | AbstractStateMachineTableProcedure. checkOnline(MasterProcedureEnv env,
           RegionInfo ri)Check region is online. | 
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