title: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path
body: <p>When I debug tomcat, the broswer start but get 404:</p>
  <blockquote>
  <p>HTTP Status 404 - /</p>
  <p>type Status report</p>
  <p>message /</p>
  <p>description The requested resource is not available.</p>
  <p>Apache Tomcat/7.0.75</p>
  </blockquote>
  <p>The Tomcat Catalina Log and Server Log all have this below error:</p>
  <blockquote>
  <p>The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /Users/luowensheng/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.</p>
  </blockquote>
  <p>I searched SO, find a similar post:</p>
  <p><a href="https://stackoverflow.com/questions/8716259/what-does-the-apr-based-apache-tomcat-native-library-was-not-found-mean">What does &quot;The APR based Apache Tomcat Native library was not found&quot; mean?</a></p>
  <p>My software environment is:</p>
  <pre><code>Mac OS 
  IntelliJ IDEA
  </code></pre>