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java.lang.ClassFormatError: SwingingApplet (Bad magic number) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:509) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123) at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:146) at sun.plugin.security.PluginClassLoader.findClass(PluginClassLoader.java:189) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:112) at java.lang.ClassLoader.loadClass(ClassLoader.java:262) at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:473) at sun.applet.AppletPanel.createApplet(AppletPanel.java:548) at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1621) at sun.applet.AppletPanel.runLoader(AppletPanel.java:477) at sun.applet.AppletPanel.run(AppletPanel.java:290) at java.lang.Thread.run(Thread.java:536)