title: Getting an error, "Error: couldn't connect to server 127.0.0.1 shell/mongo.js" &  when trying to run mongodb on mac osx lion
body: <p>I am using Mac OS X Lion and i just did a fresh install of MongoDB using macports and when i try to run mongodb for the first time i get the following error</p>
  
  <pre><code>MongoDB shell version: 2.0.5
  connecting to: test
  Fri Jun  1 11:20:33 Error: couldn't connect to server 127.0.0.1 shell/mongo.js:84
  exception: connect failed
  </code></pre>
  
  <p>can anybody please help with this? thanks</p>
  
  <p>when i run mongod i get:</p>
  
  <pre><code>hisham-agil:~ hisham$ mongod
  mongod --help for help and startup options
  Fri Jun  1 11:24:47 [initandlisten] MongoDB starting : pid=53452 port=27017 dbpath=/data/db/ 64-bit host=hisham-agil.local
  Fri Jun  1 11:24:47 [initandlisten] db version v2.0.5, pdfile version 4.5
  Fri Jun  1 11:24:47 [initandlisten] git version: nogitversion
  Fri Jun  1 11:24:47 [initandlisten] build info: Darwin gamma.local 11.3.0 Darwin Kernel Version 11.3.0: Thu Jan 12 18:48:32 PST 2012; root:xnu-1699.24.23~1/RELEASE_I386 i386 BOOST_LIB_VERSION=1_49
  Fri Jun  1 11:24:47 [initandlisten] options: {}
  Fri Jun  1 11:24:47 [initandlisten] exception in initAndListen: 10296 dbpath (/data/db/) does not exist, terminating
  Fri Jun  1 11:24:47 dbexit: 
  Fri Jun  1 11:24:47 [initandlisten] shutdown: going to close listening sockets...
  Fri Jun  1 11:24:47 [initandlisten] shutdown: going to flush diaglog...
  Fri Jun  1 11:24:47 [initandlisten] shutdown: going to close sockets...
  Fri Jun  1 11:24:47 [initandlisten] shutdown: waiting for fs preallocator...
  Fri Jun  1 11:24:47 [initandlisten] shutdown: lock for final commit...
  Fri Jun  1 11:24:47 [initandlisten] shutdown: final commit...
  Fri Jun  1 11:24:47 [initandlisten] shutdown: closing all files...
  Fri Jun  1 11:24:47 [initandlisten] closeAllFiles() finished
  Fri Jun  1 11:24:47 dbexit: really exiting now
  </code></pre>