Make sure you have the same jar that the server is running, as you can see the error is about an RPC mismatch.
> I am confused why it connect localhost:60000, may my hbase configuration be > right? By default that's how it works, master listens on localhost on port 60000. J-D 2009/10/20 Liu Xianglong <[email protected]>: > My java code to create a Hbase table encounters errors, but the shell works > well, through it I can create and read tables. > > code: > HBaseConfiguration conf = new HBaseConfiguration(); > HBaseAdmin admin = new HBaseAdmin(conf); > > > error information as follows > 09/10/20 11:24:26 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 0 time(s). > 09/10/20 11:24:27 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 1 time(s). > 09/10/20 11:24:28 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 2 time(s). > 09/10/20 11:24:29 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 3 time(s). > 09/10/20 11:24:30 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 4 time(s). > 09/10/20 11:24:31 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 5 time(s). > 09/10/20 11:24:32 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 6 time(s). > 09/10/20 11:24:33 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 7 time(s). > 09/10/20 11:24:34 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 8 time(s). > 09/10/20 11:24:35 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:60000. Already tried 9 time(s). > 09/10/20 11:24:35 INFO client.HConnectionManager$TableServers: Attempt 0 of > 10 failed with <java.net.ConnectException: Call to localhost/127.0.0.1:60000 > failed on connection exception: java.net.ConnectException: Connection > refused>. Retrying after sleep of 2000 > Exception in thread "main" java.lang.IllegalAccessError: tried to access > method org.apache.hadoop.ipc.Client.incCount()V from class > org.apache.hadoop.ipc.HBaseClient > at org.apache.hadoop.ipc.HBaseClient.incCount(HBaseClient.java:48) > at > org.apache.hadoop.hbase.ipc.HbaseRPC$ClientCache.getClient(HbaseRPC.java:187) > at > org.apache.hadoop.hbase.ipc.HbaseRPC$ClientCache.access$200(HbaseRPC.java:164) > at > org.apache.hadoop.hbase.ipc.HbaseRPC$Invoker.<init>(HbaseRPC.java:238) > at org.apache.hadoop.hbase.ipc.HbaseRPC.getProxy(HbaseRPC.java:384) > at org.apache.hadoop.hbase.ipc.HbaseRPC.getProxy(HbaseRPC.java:364) > at org.apache.hadoop.hbase.ipc.HbaseRPC.getProxy(HbaseRPC.java:412) > at > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getMaster(HConnectionManager.java:188) > at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:67) > at Test.createTable(Test.java:24) > at Test.main(Test.java:103) > 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.RunJar.main(RunJar.java:156) > > I am confused why it connect localhost:60000, may my hbase configuration be > right? Would someone can help me solve this problem? Thanks! > > > Best Wishes! > _____________________________________________________________ > > 刘祥龙 Liu Xianglong >
