title: Weblogic Stuck Thread - ArrayList
body: <p>We have JSF2.1 app deployed in weblogic10.3.4 ,in one of our backing bean ,when we try to assign the reference ArrayList to a List instance ,weblogic ends up in Struck thread ,during peak  traffic to our application.</p>
  
  <pre><code>java.util.ArrayList.indexOf(ArrayList.java:210)
  java.util.ArrayList.contains(ArrayList.java:199)
  </code></pre>
  
  <p>Any one has faced this issue before.</p>