title: How to avoid Java security exception due to mixed code
body: <p>I have an applet which is present in a signed jar. This applet uses another 3rd party jar file which is unsigned.
  On launching the applet I get the Mixed code warning which I want to avoid.</p>
  
  <p>To solve this issue, I added "Trusted-Library: true" to the unsigned jar which is being used by my applet.</p>
  
  <p>But, it still throws <code>SecurityException</code>. I tried this with JRE update 20 as well but problem persists.</p>
  
  <p>Can someone please help me with this? How to avoid getting the warning message when I have to use an unsigned jar.</p>
  
  <p>Thanks!</p>