Are yo usure your HBase is running? Can you paste the 200 last lines of your master logs in pastebin?
JM 2014-08-27 3:32 GMT-04:00 Andrey Stepachev <[email protected]>: > Hi, Praveen. > > Can you share more details on HBase version? > You can look at hbase:namespace table to find out is it enabled and > deployed somewhere. > (typically you can find this on master > http://master:60010/table.jsp?name=hbase:namespace > > Andrey. > > > On Wed, Aug 27, 2014 at 10:56 AM, Praveen G <[email protected]> wrote: > > > I tried to create a table but it is giving me below error. Kindly check > > > > hbase(main):003:0> create 't1', 'f1' > > > > ERROR: java.io.IOException: Table Namespace Manager not ready yet, try > > again later > > at > > > > > org.apache.hadoop.hbase.master.HMaster.getNamespaceDescriptor(HMaster.java:3205) > > at > > org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:1730) > > at > > org.apache.hadoop.hbase.master.HMaster.createTable(HMaster.java:1860) > > at > > > > > org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:38221) > > at > org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2008) > > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:92) > > at > > > > > org.apache.hadoop.hbase.ipc.FifoRpcScheduler$1.run(FifoRpcScheduler.java:73) > > at > > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > > at > > > > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > > at > > > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > > at java.lang.Thread.run(Thread.java:744) > > > > Here is some help for this command: > > Creates a table. Pass a table name, and a set of column family > > specifications (at least one), and, optionally, table configuration. > > Column specification can be a simple string (name), or a dictionary > > (dictionaries are described below in main help output), necessarily > > including NAME attribute. > > Examples: > > > > hbase> create 't1', {NAME => 'f1', VERSIONS => 5} > > hbase> create 't1', {NAME => 'f1'}, {NAME => 'f2'}, {NAME => 'f3'} > > hbase> # The above in shorthand would be the following: > > hbase> create 't1', 'f1', 'f2', 'f3' > > hbase> create 't1', {NAME => 'f1', VERSIONS => 1, TTL => 2592000, > > BLOCKCACHE => true} > > hbase> create 't1', {NAME => 'f1', CONFIGURATION => > > {'hbase.hstore.blockingStoreFiles' => '10'}} > > > > Table configuration options can be put at the end. > > Examples: > > > > hbase> create 't1', 'f1', SPLITS => ['10', '20', '30', '40'] > > hbase> create 't1', 'f1', SPLITS_FILE => 'splits.txt', OWNER => > 'johndoe' > > hbase> create 't1', {NAME => 'f1', VERSIONS => 5}, METADATA => { > 'mykey' > > => 'myvalue' } > > hbase> # Optionally pre-split the table into NUMREGIONS, using > > hbase> # SPLITALGO ("HexStringSplit", "UniformSplit" or classname) > > hbase> create 't1', 'f1', {NUMREGIONS => 15, SPLITALGO => > > 'HexStringSplit'} > > hbase> create 't1', 'f1', {NUMREGIONS => 15, SPLITALGO => > > 'HexStringSplit', REGION_REPLICATION => 2, CONFIGURATION => > > {'hbase.hregion.scan.loadColumnFamiliesOnDemand' => 'true'}} > > > > You can also keep around a reference to the created table: > > > > hbase> t1 = create 't1', 'f1' > > > > Which gives you a reference to the table named 't1', on which you can > then > > call methods. > > > > Br, > > Praveen G > > > > > > -- > Andrey. >
