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java.io.IOException: open HTTP connection failed:http://localhost:8080/pdf/org/icepdf/core/AnnotationCallback.class	at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)	at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)	at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)	at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)	at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)	at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.Class.getDeclaredConstructors0(Native Method)	at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)	at java.lang.Class.getConstructor0(Unknown Source)	at java.lang.Class.newInstance0(Unknown Source)	at java.lang.Class.newInstance(Unknown Source)	at sun.plugin2.applet.Plugin2Manager$12.run(Unknown Source)	at java.awt.event.InvocationEvent.dispatch(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)