title: java.security.AccessControlException: access denied ("java.util.PropertyPermission" "jna.boot.library.path" "read")
body: <p>I am having some trouble running my signed web applet,</p>
  
  <p>it runs fine within Eclipse, but as soon as I upload to the webpage, I get this error log:</p>
  
  <pre><code>Exception in thread "AWT-EventQueue-2" java.lang.ExceptionInInitializerError
  at com.dermalog.imaging.capturing.cwrap.vc.DermalogvcLibrary.&lt;clinit&gt;(DermalogvcLibrary.java:30)
  at com.dermalog.imaging.capturing.DeviceManager.&lt;clinit&gt;(DeviceManager.java:33)
  at MyPackage.Bio.GetDevice(Bio.java:218)
  at MyPackage.Bio.StartDevice(Bio.java:150)
  at MyPackage.Bio.access$0(Bio.java:144)
  at MyPackage.Bio$1.run(Bio.java:80)
  at java.security.AccessController.doPrivileged(Native Method)
  at MyPackage.Bio.&lt;init&gt;(Bio.java:76)
  at MyPackage.Test$2.actionPerformed(Test.java:45)
  at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
  at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
  at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
  at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
  at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
  at java.awt.Component.processMouseEvent(Unknown Source)
  at javax.swing.JComponent.processMouseEvent(Unknown Source)
  at java.awt.Component.processEvent(Unknown Source)
  at java.awt.Container.processEvent(Unknown Source)
  at java.awt.Component.dispatchEventImpl(Unknown Source)
  at java.awt.Container.dispatchEventImpl(Unknown Source)
  at java.awt.Component.dispatchEvent(Unknown Source)
  at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
  at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
  at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
  at java.awt.Container.dispatchEventImpl(Unknown Source)
  at java.awt.Component.dispatchEvent(Unknown Source)
  at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
  at java.awt.EventQueue.access$200(Unknown Source)
  at java.awt.EventQueue$3.run(Unknown Source)
  at java.awt.EventQueue$3.run(Unknown Source)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
  at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
  at java.awt.EventQueue$4.run(Unknown Source)
  at java.awt.EventQueue$4.run(Unknown Source)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
  at java.awt.EventQueue.dispatchEvent(Unknown Source)
  at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
  at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
  at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
  at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  at java.awt.EventDispatchThread.run(Unknown Source)
  Caused by: java.security.AccessControlException: access denied("java.util.PropertyPermission" "jna.boot.library.path" "read")
  at java.security.AccessControlContext.checkPermission(Unknown Source)
  at java.security.AccessController.checkPermission(Unknown Source)
  at java.lang.SecurityManager.checkPermission(Unknown Source)
  at java.lang.SecurityManager.checkPropertyAccess(Unknown Source)
  at java.lang.System.getProperty(Unknown Source)
  at com.sun.jna.Native.loadNativeLibrary(Native.java:650)
  at com.sun.jna.Native.&lt;clinit&gt;(Native.java:109)
  ... 44 more
  </code></pre>
  
  <p>I believe this is a problem with breaking out of the sandbox, and communicating with the computer.</p>
  
  <p>Can using <strong>AccessController.doPrivileged</strong> solve the problem? What are my options other than modifying the policy file?</p>