我已经在 ubuntu 12.04 上安装了 hadoop 单节点。现在我试图在它上面安装 hbase（版本 0.94.18）。但是我收到以下错误（即使我已经在 /usr/local/hbase 中提取了它）：
Error: Could not find or load main class org.apache.hadoop.hbase.util.HBaseConfTool
Error: Could not find or load main class org.apache.hadoop.hbase.zookeeper.ZKServerTool
starting master, logging to /usr/lib/hbase/hbase-0.94.8/logs/hbase-hduser-master-ubuntu.out
nice: /usr/lib/hbase/hbase-0.94.8/bin/hbase: No such file or directory
cat: /usr/lib/hbase/hbase-0.94.8/conf/regionservers: No such file or directory