Step to Reproduce:
0) install the latest jdk (K)
1) choose Java L&F, or Windows L&F, now size window to about half the size as defualt.
2) Choose Right to Left Component Orientation.
3) Size the SwingSet window down to 25% of original, which is about untill only Options and File are visible
4) Now select Tab Placement or Component Orientation from the Options Menu Item
Result:
exception below

Exception occurred during event dispatching:
java.lang.NullPointerException: null pData
        at sun.awt.windows.WInputMethod.handleNativeIMEEvent(Native Method)
        at sun.awt.windows.WInputMethod.dispatchEvent(WInputMethod.java:271)
        at sun.awt.im.InputContext.dispatchEvent(InputContext.java:189)
        at sun.awt.im.InputMethodContext.dispatchEvent(InputMethodContext.java:
        at java.awt.Component.dispatchEventImpl(Component.java:2517)
        at java.awt.Container.dispatchEventImpl(Container.java:1211)
        at java.awt.Component.dispatchEvent(Component.java:2486)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:242
        at java.awt.LightweightDispatcher.trackMouseEnterExit(Container.java:22
        at java.awt.LightweightDispatcher.eventDispatched(Container.java:2386)
        at java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.j
        at java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:1347)
        at java.awt.Component.dispatchEventImpl(Component.java:2496)
        at java.awt.Container.dispatchEventImpl(Container.java:1211)
        at java.awt.Component.dispatchEvent(Component.java:2486)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:242
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2180
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2100)
        at java.awt.Container.dispatchEventImpl(Container.java:1198)
        at java.awt.Window.dispatchEventImpl(Window.java:886)
        at java.awt.Component.dispatchEvent(Component.java:2486)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:320)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:1
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:97)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:88)