Java Plug-in 10.5.1.255
Using JRE version 1.7.0_11-b21 Java HotSpot(TM) Client VM
User home directory = C:\Users\Andrew
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c: clear console window
..
0-5: set trace level to <n>
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Attempting to start init...
-INIT METHOD STARTED-
Preferred size set to java.awt.Dimension[width=852,height=480]
Initialized JFrame with size java.awt.Dimension[width=852,height=480]
Initialized screen (284x160)
Initialized keyboard
Added key listener
Resizeable set to false
Title set
Game component added to screen
Frame packed
Exception in thread "AWT-EventQueue-3" java.lang.NullPointerException
at sun.awt.SunToolkit.createImage(Unknown Source)
at com.sun.deploy.uitoolkit.impl.awt.AWTErrorPanel.getErrorImage(Unknown Source)
at com.sun.deploy.uitoolkit.impl.awt.AWTErrorPanel.paintComponent(Unknown Source)
at javax.swing.JComponent.paint(Unknown Source)
at javax.swing.JComponent.paintToOffscreen(Unknown Source)
at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
at javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
at javax.swing.RepaintManager.paint(Unknown Source)
at javax.swing.JComponent._paintImmediately(Unknown Source)
at javax.swing.JComponent.paintImmediately(Unknown Source)
at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
at javax.swing.RepaintManager.access$700(Unknown Source)
at javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(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)
IE アプレットもウィンドウもありません。トレース レベル 5 に設定されたコンソールからの出力。
アップデート
新しい結果:
// ..
Frame packed
java.security.AccessControlException: access denied ("java.lang.RuntimePermission" "exitVM.0")
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
コードを実行します ( SSCCEがなく、推測することしかできません)、いつでも呼び出します..
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
?
その場合は、次のように変更します。
// See http://stackoverflow.com/a/7143398/418556 for demo.
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
後者は、サンドボックス化されたアプレットでEXIT_ON_CLOSE
は許可されますが、信頼できるアプレットでも許可されません。