Hi, I guess your hbase cluster seems not work. Did you try to check the log of hbase's master and region server?
On Mon, Nov 23, 2009 at 9:33 PM, prasenjit mukherjee <[email protected]> wrote: > I have setup hadoop/hbase and tested it out by running "hase shell". > Now while running hama example I am getting the following execption : > > Also I could see a table : hama.admin.table being created in hbase, > but with zero rows. > >>./bin/hama examples rand -m 10 -r 10 2 2 5% matrixA > > 09/11/23 17:59:36 INFO zookeeper.ZooKeeper: Client > environment:os.version=2.6.27-11-generic > 09/11/23 17:59:36 INFO zookeeper.ZooKeeper: Client > environment:user.name=pmukherjee > 09/11/23 17:59:36 INFO zookeeper.ZooKeeper: Client > environment:user.home=/home/pmukherjee > 09/11/23 17:59:36 INFO zookeeper.ZooKeeper: Client > environment:user.dir=/home/pmukherjee/apps/hama/hama-trunk > 09/11/23 17:59:36 INFO zookeeper.ZooKeeper: Initiating client > connection, connectString=localhost:2181 sessionTimeout=60000 > watcher=org.apache.hadoop.hbase.client.hconnectionmanager$clientzkwatc...@7bb290 > 09/11/23 17:59:36 INFO zookeeper.ClientCnxn: > zookeeper.disableAutoWatchReset is false > 09/11/23 17:59:36 INFO zookeeper.ClientCnxn: Attempting connection to > server localhost/127.0.0.1:2181 > 09/11/23 17:59:36 INFO zookeeper.ClientCnxn: Priming connection to > java.nio.channels.SocketChannel[connected local=/127.0.0.1:55638 > remote=localhost/127.0.0.1:2181] > 09/11/23 17:59:36 INFO zookeeper.ClientCnxn: Server connection successful > 09/11/23 18:00:55 WARN client.HConnectionManager$TableServers: Testing > for table existence threw exception > org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to > contact region server null for region , row '', but failed after 10 > attempts. > Exceptions: > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > java.io.IOException: java.io.IOException: java.lang.NullPointerException > > > at > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:994) > at > org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:54) > at > org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:28) > at > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.listTables(HConnectionManager.java:427) > at > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.tableExists(HConnectionManager.java:377) > at > org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:113) > at > org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:100) > at org.apache.hama.HamaAdminImpl.initialJob(HamaAdminImpl.java:78) > at org.apache.hama.HamaAdminImpl.<init>(HamaAdminImpl.java:70) > at > org.apache.hama.matrix.AbstractMatrix.setConfiguration(AbstractMatrix.java:93) > at org.apache.hama.matrix.SparseMatrix.<init>(SparseMatrix.java:62) > at > org.apache.hama.matrix.SparseMatrix.random_mapred(SparseMatrix.java:122) > at org.apache.hama.examples.RandomMatrix.main(RandomMatrix.java:49) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68) > at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) > at org.apache.hama.examples.ExampleDriver.main(ExampleDriver.java:34) > java.lang.reflect.UndeclaredThrowableException > at $Proxy1.getRegionInfo(Unknown Source) > -- Best Regards, Edward J. Yoon @ NHN, corp. [email protected] http://blog.udanax.org
