Short answer no, not from java. You have a class loader problem which may make it difficult to instantiate a connection and HBase objects in the second instance.
Longer answer... Let me think about it... Of course having said that... I'm sure someone already has done this... Sent from a remote device. Please excuse any typos... Mike Segel On Nov 17, 2011, at 4:24 AM, Sebastian Bauer <ad...@ugame.net.pl> wrote: > Hi. Is there any way to connect to two difference hbase versions? > I try copytable mapreduce and i got: > > 11/11/17 11:19:28 WARN client.HConnectionManager$HConnectionImplementation: > RemoteException connecting to RS > org.apache.hadoop.ipc.RemoteException: > org.apache.hadoop.io.VersionMismatchException > at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:881) > at > org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:149) > at $Proxy7.getProtocolVersion(Unknown Source) > at > org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:182) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:295) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:272) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:324) > at org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:228) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1197) > > -- > > Pozdrawiam > Sebastian Bauer > ----------------------------------------------------- > http://tikecik.pl > >
