java.lang.IllegalArgumentException: Width (0) and height (0) cannot be <= 0
一般是什么引起的呢，为何在jre1.6中访问就不行，但是jre1.42、jre1.5下面就是正常的，是用jgraph开发的网络拓扑图查看

Exception in thread "AWT-EventQueue-4" java.lang.IllegalArgumentException: Width (0) and height (0) cannot be <= 0
  at java.awt.image.DirectColorModel.createCompatibleWritableRaster(Unknown Source)
at sun.awt.Win32GraphicsConfig.createAcceleratedImage(Unknown Source)
at sun.awt.windows.WComponentPeer.createImage(Unknown Source)
at java.awt.Component.createImage(Unknown Source)
at com.micromuse.wave.applets.maplet.Maplet.paint(Maplet.java:845)
at com.micromuse.wave.applets.maplet.Maplet.update(Maplet.java:901)
at sun.awt.RepaintArea.updateComponent(Unknown Source)
at sun.awt.RepaintArea.paint(Unknown Source)
at sun.awt.windows.WComponentPeer.handleEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(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)

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参数值不在取值范围内,width和height不能小于等于0
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很明显的错误。。顶楼上。。
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public class IllegalArgumentException extends RuntimeException抛出的异常表明向方法传递了一个不合法或不正确的参数。 所以很显然，你的Width (0) 和 height (0)是不合法的，参数必须>0。
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探讨

很明显的错误。。顶楼上。。