java.io.IOException: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =

<property>
    <name>hbase.rootdir</name>
    <value>hdfs://localhost:9000/hbase</value>
</property>
<property>
    <name>hbase.cluster.distributed</name>
    <value>true</value>   
  </property>

<property>
    <name>hbase.zookeeper.quorum</name>
    <value>127.0.0.1</value>   
  </property>

<property>
    <name>hbase.zookeeper.property.clientPort</name>
    <value>2222</value>
  </property>
</configuration>

再把hbase-env中的下面这二个改一下.
export JAVA_HOME=<!-- your JDK -->
export HBASE_MANAGES_ZK=true