Please check that you have created 'testtable' before running this program.
thanks ashish On Thu, Sep 22, 2011 at 12:08 PM, vamshi krishna <[email protected]> wrote: > Hi , > i am trying to cretae and write data to a table in hbase. For that i am > using hadoop-0.20.2 and hbase -0.90.4 single machine and pseudo distributed > mode. In eclipse helios, i write on e samll program > import org.apache.hadoop.conf.Configuration; > import org.apache.hadoop.hbase.HBaseConfiguration; > import org.apache.hadoop.hbase.client.HTable; > import org.apache.hadoop.hbase.client.Put; > import org.apache.hadoop.hbase.util.Bytes; > > import java.io.IOException; > > public class PutExample { > > /** > * @param args > * @throws IOException > */ > public static void main(String[] args) throws IOException { > // TODO Auto-generated method stub > Configuration conf = HBaseConfiguration.create(); > HTable table = new HTable(conf, "testtable"); > Put put = new Put(Bytes.toBytes("row1")); > put.add(Bytes.toBytes("colfam1"), Bytes.toBytes("qual1"), > Bytes.toBytes("val1")); > put.add(Bytes.toBytes("colfam1"), Bytes.toBytes("qual2"), > Bytes.toBytes("val2")); > table.put(put); > > } > > } > > My hadoop , and hbase shell are working properly.i added > hadoop-0.20.2-core.jar, hbase-0.90.4.jar, commons-logging-1.0.4-api.jar, > log4j-1.4.15.jar, zookeeper-3.3.2.jar in to addexternal jars of buildpath in > the hbase project buildpath. I added HBASE_HOME/conf folder in > addclassfolder option of buildpath. > i selected hbase project ->right click-> run as java application > i got followong error. > > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:zookeeper.version=3.3.2-1031432, built on 11/05/2010 05:32 GMT > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client environment:host.name > =vamshi-laptop > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:java.version=1.6.0_26 > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:java.vendor=Sun Microsystems Inc. > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:java.home=/usr/lib/jvm/java-6-sun-1.6.0.26/jre > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:java.class.path=/home/hduser/workspace/InsertHbase/build/eclipse-classes:/home/hduser/Documents/HBASE_SOFTWARE/hbase-0.90.2.jar:/usr/local/hadoop-0.20.2/hadoop-0.20.2-core.jar:/home/hduser/Documents/HBASE_SOFTWARE/hbase-0.90.4/conf:/usr/local/hadoop-0.20.2/lib/commons-logging-api-1.0.4.jar:/usr/local/hadoop-0.20.2/lib/log4j-1.2.15.jar:/home/hduser/Documents/HBASE_SOFTWARE/hbase-0.90.4/lib/zookeeper-3.3.2.jar > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:java.library.path=/usr/lib/jvm/java-6-sun-1.6.0.26/jre/lib/i386/server:/usr/lib/jvm/java-6-sun-1.6.0.26/jre/lib/i386:/usr/lib/jvm/java-6-sun-1.6.0.26/jre/../lib/i386:/usr/lib/jvm/java-6-sun-1.6.0.26/jre/lib/i386/client:/usr/lib/jvm/java-6-sun-1.6.0.26/jre/lib/i386::/usr/java/packages/lib/i386:/lib:/usr/lib > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:java.io.tmpdir=/tmp > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:java.compiler=<NA> > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client environment:os.name=Linux > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client environment:os.arch=i386 > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:os.version=2.6.32-33-generic > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client environment:user.name > =hduser > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:user.home=/home/hduser > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Client > environment:user.dir=/home/hduser/workspace/InsertHbase > 11/09/22 12:08:11 INFO zookeeper.ZooKeeper: Initiating client connection, > connectString=localhost:2181 sessionTimeout=180000 watcher=hconnection > 11/09/22 12:08:11 INFO zookeeper.ClientCnxn: Opening socket connection to > server localhost/127.0.0.1:2181 > 11/09/22 12:08:11 INFO zookeeper.ClientCnxn: Socket connection established > to localhost/127.0.0.1:2181, initiating session > 11/09/22 12:08:11 INFO zookeeper.ClientCnxn: Session establishment complete > on server localhost/127.0.0.1:2181, sessionid = 0x1328fb0fd440005, > negotiated timeout = 40000 > 22 Sep, 2011 12:08:11 PM > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation > prefetchRegionCache > WARNING: Encountered problems when prefetch META table: > org.apache.hadoop.hbase.TableNotFoundException: Cannot find row in .META. > for table: testtable, row=testtable,,99999999999999 > at > org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:136) > at > org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:95) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.prefetchRegionCache(HConnectionManager.java:648) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:702) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:593) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:558) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:171) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:145) > at PutExample.main(PutExample.java:19) > Exception in thread "main" org.apache.hadoop.hbase.TableNotFoundException: > testtable > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:724) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:593) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:558) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:171) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:145) > at PutExample.main(PutExample.java:19) > > > > please anyone help me, where i went wrong? > > -- > *Regards* > * > Vamshi Krishna > * > -- thanks ashish Blog: http://www.ashishpaliwal.com/blog My Photo Galleries: http://www.pbase.com/ashishpaliwal
