Please help me understanding these error messages

I'm trying to have two icons in two different JButtons, but I keep on getting these error messages that I don't understand:
java.security.AccessControlException: access denied (java.io.FilePermission E:\baccelli\system\Projects\Maschere\Immagini\inglese.gif read)
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:272)
at java.security.AccessController.checkPermission(AccessController.java:399)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:545)
at java.lang.SecurityManager.checkRead(SecurityManager.java:890)
at sun.awt.SunToolkit.getImageFromHash(SunToolkit.java:266)
at sun.awt.SunToolkit.getImage(SunToolkit.java:280)
at javax.swing.ImageIcon.<init>(ImageIcon.java:77)
at javax.swing.ImageIcon.<init>(ImageIcon.java:103)
at Ingresso.initComponents(Ingresso.java:224)
at Ingresso.<init>(Ingresso.java:41)
at java.lang.Class.newInstance0(Native Method)
at java.lang.Class.newInstance(Class.java:237)
at sun.applet.AppletPanel.createApplet(AppletPanel.java:579)
at sun.applet.AppletPanel.runLoader(AppletPanel.java:515)
at sun.applet.AppletPanel.run(AppletPanel.java:293)
at java.lang.Thread.run(Thread.java:484)
What's wrong?
Thanks,
Giorgio

If you need to change the java.security file just to get an image to appear then there's something wrong. This solution is not practical if you intend to distribute the Applet to other people.
I would write an HTML page to display the applet and view it through a Java (2) enabled browser or use the AppletViewer application that comes with the JDK.
Use something like the following to get the image from the same directory as your HTML page:
Icon icon = new ImageIcon(new URL(getDocumentBase(), "inglese.gif"));Hope this helps.

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