title: zookeeper + Kafka - Unable to create data directory
body: <p>I´m using zookeeper 3.4.8 in single node and try to use kafka.</p>
  
  <p>When I run this command:</p>
  
  <pre><code>zookeeper-server-start.sh /usr/local/kafka_2.9.2-0.8.2.2    /config/zookeeper.properties
  </code></pre>
  
  <p>I get the below error:</p>
  
  <pre><code>[2016-02-22 17:32:41,661] ERROR Unexpected exception, exiting abnormally (org.apache.zookeeper.server.ZooKeeperServerMain)
  java.io.IOException: Unable to create data directory /var/zookeeper/version-2
      at org.apache.zookeeper.server.persistence.FileTxnSnapLog.&lt;init&gt;(FileTxnSnapLog.java:85)
      at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:104)
      at org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:86)
      at org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:52)
      at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:116)
      at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78)
  </code></pre>
  
  <p>Any advice?</p>