title: Unable to start Zookeeper with 2 servers in the quorum
body: <p>I am trying to create a Zookeeper instance with 2 servers running in the quorum. But when I try to start the first server instance, I get the following exception:</p>
  
  <pre><code>2013-11-13 18:26:21,514 [myid:11111111111] - ERROR [main:QuorumPeerMain@89] - Unexpected exception, exiting abnormally
  java.lang.RuntimeException: My id 11111111111 not in the peer list
  at org.apache.zookeeper.server.quorum.QuorumPeer.startLeaderElection(QuorumPeer.java:479)
  at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:411)
  at org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:151)
  at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:111)
  at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78)
  </code></pre>
  
  <p>Can someone tell me what is going wrong here?</p>