特急，在线求教，awt类异常，高人请进，帮帮小弟哈~~~~

[marsvip]

我在看邱仲潘的书，其中的代码运行时给出了异常信息。如下：
java.lang.NullPointerException: component argument pData

at sun.awt.windows.Win32BackBufferSurfaceData.initSurface(Native Method)

at sun.awt.windows.Win32BackBufferSurfaceData.createData(Win32BackBufferSurfaceData.java:49)

at sun.awt.windows.Win32BackBuffer.createHWData(Win32BackBuffer.java:28)

at sun.awt.windows.WVolatileImage.initAcceleratedBackground(WVolatileImage.java:100)

at sun.awt.windows.Win32BackBuffer.displayChanged(Win32BackBuffer.java:35)

at sun.awt.SunDisplayChanger.notifyListeners(SunDisplayChanger.java:102)

at sun.awt.Win32GraphicsEnvironment.displayChanged(Win32GraphicsEnvironment.java:98)

at sun.awt.windows.WToolkit$4.run(WToolkit.java:734)

at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)

at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)

at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)

at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
请问这个到底是怎么回事啊？我使用的是全屏的显示方式，没有在html中使用applt~~……
请大家帮帮我！！

[iwenlong]

说是组件的参数有问题,你找找你的异常提示中你的文件的行数看看

[射天狼]

空指针引用,建议好好检查一下代码!!

[FashionClassical]

空指针...

[hongdujuan]

除了上面的建议外，不妨在html实现看看是否有这样的问题！