无法在ubuntu 12.04 LTS上使用apache hama（安装）

这是我拥有的配置文件（hama站点）：

<configuration>
<property>
<name>bsp.master.address</name>
<value>local</value>
</property>
<property>
<name>fs.default.name</name>
<value>hdfs://localhost:9000/</value>
</property>
<property>
<name>hama.zookeeper.quorum</name>
<value>localhost</value>
</property>
</configuration>

Error: Could not find or load main class org.apache.hama.zookeeper.ZKServerTool
starting bspmaster, logging to /opt/hama-0.6.2/bin/../logs/hama-diplav-bspmaster-cloud.out
Error: Could not find or load main class org.apache.hama.BSPMasterRunner
localhost: starting groom, logging to /opt/hama-0.6.2/bin/../logs/hama-diplav-groom-cloud.out
localhost: Error: Could not find or load main class org.apache.hama.GroomServerRunner

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您使用的是哪个版本的hadoop？