Webstart problems

[hvor]

I am doing webstart of my game. I packed everything in jar and signed it. When I tried to run it, it loads my jar but crashes with exception:

java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at com.sun.javaws.Launcher.executeApplication(Unknown Source)
	at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
	at com.sun.javaws.Launcher.continueLaunch(Unknown Source)
	at com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)
	at com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)
	at com.sun.javaws.Launcher.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ExceptionInInitializerError
	at org.lwjgl.Sys.createImplementation(Sys.java:80)
	at org.lwjgl.Sys.<clinit>(Sys.java:64)
	at org.lwjgl.opengl.Display.<clinit>(Display.java:104)
	at mwproject.mwoods.MWoods.createWindowSplash(MWoods.java:770)
	at mwproject.mwoods.MWoods.startGame(MWoods.java:118)
	at mwproject.mwoods.MWoods.main(MWoods.java:108)
	... 11 more
Caused by: java.security.AccessControlException: access denied (java.util.PropertyPermission org.lwjgl.util.Debug 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 java.lang.Boolean.getBoolean(Unknown Source)
	at org.lwjgl.LWJGLUtil$3.run(LWJGLUtil.java:190)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.lwjgl.LWJGLUtil.getPrivilegedBoolean(LWJGLUtil.java:188)
	at org.lwjgl.LWJGLUtil.<clinit>(LWJGLUtil.java:60)
	... 17 more

So I have access denied, anyone know why?
:roll: