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From "Yabo-Arber Xu" <arber.resea...@gmail.com>
Subject Hbase single-Node cluster config problem
Date Fri, 01 Aug 2008 09:40:30 GMT
Greetings,

I am trying to set up a hbase cluster. To simplify the setting, i first
tried the single node cluster, where HDFS name/data node are set on one
computer, and hbase master/regionserver are also set on the same computer.
The HDFS passed the test and works well. But, for hbase, when I try to
create a table using hbase shell. It keeps popping the following message:

08/08/01 02:30:29 INFO ipc.Client: Retrying connect to server:
ec2-67-202-24-167.compute-1.amazonaws.com/10.254.199.132:60000. Already
tried 1 time(s).

I checked the hbase log, and it has the following error:

2008-08-01 02:30:24,337 ERROR org.apache.hadoop.hbase.HMaster: Can not start
master
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.apache.hadoop.hbase.HMaster.doMain(HMaster.java:3313)
        at org.apache.hadoop.hbase.HMaster.main(HMaster.java:3347)
Caused by: java.net.SocketTimeoutException: timed out waiting for rpc
response
        at org.apache.hadoop.ipc.Client.call(Client.java:514)
        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:198)
        at org.apache.hadoop.dfs.$Proxy0.getProtocolVersion(Unknown Source)
        at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:291)
        at
org.apache.hadoop.dfs.DFSClient.createNamenode(DFSClient.java:128)
        at org.apache.hadoop.dfs.DFSClient.<init>(DFSClient.java:151)
        at
org.apache.hadoop.dfs.DistributedFileSystem.initialize(DistributedFileSystem.java:65)
        at
org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1182)
        at org.apache.hadoop.fs.FileSystem.access$300(FileSystem.java:55)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1193)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:150)


For your information, i also attach the hbase-site.xml:

  <property>
    <name>hbase.master</name>
    <value>ec2-67-202-24-167.compute-1.amazonaws.com:60000</value>
    <description>The host and port that the HBase master runs at.
    </description>
  </property>

  <property>
    <name>hbase.rootdir</name>
    <value>hdfs://ec2-67-202-24-167.compute-1.amazonaws.com:9000/hbase
</value>
    <description>The directory shared by region servers.
    </description>
  </property>

Can anybody point out what i did wrong?

Thanks in advance

-Arber

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