My java applet stopped working once JRE was updated to 7u21. Short summary: The Exceptions I get are: netscape.javascript.JSException and java.lang.NoClassDefFoundError. the applet worked fine u...

I am using Mac 10.7 running Java 1.7.0_21. I am trying to run a Java applet application that is signed and towards the end of the application I get a mixed mode security popup saying "Block potenti...

My signed Java applet has been running fine until Java update 19. Now some but not all of our users on Java Update 19 report a java security message stating that our applet contains both signed and...

I have a desktop Java/Swing application which is deployed via Java Webstart (clients are using Java 6u20 on XP). I have received intermittent reports from users of the application hanging. I manage...