title: Cassandra cqlsh Unable to connect to any servers - 127.0.0.1:9160 (closed)> is already closed
body: <p>I installed Cassandra on OSX.
  When trying to run cqlsh from /bin/, I get the following error:</p>
  
  <pre><code>&gt; Connection error: ('Unable to connect to any servers', {'127.0.0.1':
  &gt; ConnectionShutdown('Connection &lt;AsyncoreConnection(4522252560)
  &gt; 127.0.0.1:9160 (closed)&gt; is already closed',)})
  </code></pre>
  
  <p>I had difficulty installing Cassandra, and had used brew install cassandra, installed DSE from datastax, and downloaded a binary from Apache.</p>