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From Jason Huang <jason.hu...@icare.com>
Subject Help - can't start master server for HBase (pseudo-distributed mode).
Date Tue, 11 Sep 2012 18:44:04 GMT
Hello,

I am trying to set up HBase at pseudo-distributed mode on my Macbook.
I've installed Hadoop 1.0.3 in pseudo-distributed mode and was able to
successfully start the nodes:
$ bin/start-all.sh
$ jps
1002 NameNode
1246 JobTracker
1453 Jps
1181 SecondaryNameNode
1335 TaskTracker
1091 DataNode

Then I installed HBase 0.94 and configured it at pseudo-distributed mode.
$ ./start-hbase.sh
$ jps
1684 Jps
1002 NameNode
1647 HRegionServer
1246 JobTracker
1553 HQuorumPeer
1181 SecondaryNameNode
1335 TaskTracker
1091 DataNode

I couldn't find the MasterServer running so I looked at the log file:
2012-09-11 14:35:05,892 INFO
org.apache.hadoop.hbase.master.ActiveMasterManager:
Master=192.168.10.23,60000,1347388500668
2012-09-11 14:35:06,996 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 0 time(s).
2012-09-11 14:35:07,998 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 1 time(s).
2012-09-11 14:35:08,999 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 2 time(s).
2012-09-11 14:35:10,000 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 3 time(s).
2012-09-11 14:35:11,001 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 4 time(s).
2012-09-11 14:35:12,002 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 5 time(s).
2012-09-11 14:35:13,004 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 6 time(s).
2012-09-11 14:35:14,005 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 7 time(s).
2012-09-11 14:35:15,006 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 8 time(s).
2012-09-11 14:35:16,008 INFO org.apache.hadoop.ipc.Client: Retrying
connect to server: localhost/127.0.0.1:8020. Already tried 9 time(s).
2012-09-11 14:35:16,012 FATAL org.apache.hadoop.hbase.master.HMaster:
Unhandled exception. Starting shutdown.
java.net.ConnectException: Call to localhost/127.0.0.1:8020 failed on
connection exception: java.net.ConnectException: Connection refused

Could anyone help me to figure out what I am missing? I tried to do
some google search but none of the "answers" there helped me.
Here are my config files:

hbase-site.xml
<configuration>
  <property>
    <name>hbase.rootdir</name>
    <value>hdfs://localhost:8020/hbase</value>
  </property>
  <property>
    <name>hbase.zookeeper.quorum</name>
    <value>localhost</value>
  </property>
  <property>
    <name>hbase.cluster.distributed</name>
    <value>true</value>
  </property>
  <property>
    <name>dfs.replication</name>
    <value>1</value>
  </property>
  <property>
     <name>hbase.master</name>
     <value>localhost:60000</value>
  </property>
</configuration>

hdfs-site.xml
<configuration>
  <property>
     <name>fs.default.name</name>
     <value>localhost:9000</value>
  </property>
     <name>mapred.job.tracker</name>
     <value>localhost:9001</value>
  <property>
     <name>dfs.replication</name>
     <value>1</value>
  </property>
</configuration>

mapred-site.xml
<configuration>
    <property>
        <name>mapred.job.tracker</name>
        <value>localhost:9001</value>
    </property>
    <property>
        <name>mapred.child.java.opts</name>
        <value>-Xmx512m</value>
    </property>
    <property>
        <name>mapred.job.tracker</name>
        <value>hdfs://localhost:54311</value>
    </property>
</configuration>

I've also tried ssh localhost and here is what I found on my shell:
$ ssh localhost
Last login: Tue Sep 11 14:22:37 2012 from localhost
$ ssh localhost -p 22
Last login: Tue Sep 11 14:41:17 2012 from localhost
$ ssh localhost -p 8020
ssh: connect to host localhost port 8020: Connection refused

thanks!

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