Are you using 20.2 client? Please make sure that you use the client with the same version as the server.
Reagrds, Vaibhav On Wed, Dec 2, 2009 at 10:09 AM, Something Something < [email protected]> wrote: > Hello, > > After upgrading HBase from 0.20.0 to 0.20.2 I am getting following error > message: > > java.lang.reflect.UndeclaredThrowableException > at $Proxy2.getRegionInfo(Unknown Source) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRootRegion(HConnectionManager.java:931) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:573) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:549) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:623) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:582) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:549) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegionInMeta(HConnectionManager.java:623) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:586) > at > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:549) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:125) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:103) > at com.xxxx.OrderLoader$CustomerReducer.setup(OrderLoader.java:81) > at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:172) > at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:563) > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408) > at org.apache.hadoop.mapred.Child.main(Child.java:170) > Caused by: org.apache.hadoop.ipc.RemoteException: java.io.IOException: > java.lang.NullPointerException > > at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:723) > at org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:328) > ... 17 more > > This is happening for the following line in my code: > > this.table = new HTable(new HBaseConfiguration(), tableName); > > This used to work flawlessly before, so seems like something changed in > HBaseConfiguration, may be? I am looking into this, but any pointers would > be greatly appreciated. > > > Thanks. >
