title: Elasticsearch, Failed to obtain node lock, is the following location writable
body: <p>Elasticsearch won't start using <code>./bin/elasticsearch</code>.
  It raises the following exception:</p>
  
  <pre><code>- ElasticsearchIllegalStateException[Failed to obtain node lock, is the following location writable?: [/home/user1/elasticsearch-1.4.4/data/elasticsearch]
  </code></pre>
  
  <p>I checked the permissions on the same location and the location has 777 permissions on it and is owned by user1.</p>
  
  <pre><code>ls -al /home/user1/elasticsearch-1.4.4/data/elasticsearch
  </code></pre>
  
  <blockquote>
  <pre><code>drwxrwxrwx  3 user1 wheel 4096 Mar  8 13:24 .
  drwxrwxrwx  3 user1 wheel 4096 Mar  8 13:00 ..
  drwxrwxrwx 52 user1 wheel 4096 Mar  8 13:51 nodes
  </code></pre>
  </blockquote>
  
  <p>What is the problem?</p>
  
  <p>Trying to run elasticsearch 1.4.4 on linux without root access. </p>