熟悉matlab的请进（这个时侯发...此贴必沉！！）

谁知道这是咋回事？？网上说是matlab的bug！！不是经常出现！那我咋一会就遇见了三次呢？？咋弄啊？？

如下：at javax.swing.JComponent.paintComponent(Unknown Source)
at javax.swing.JComponent.paint(Unknown Source)
at javax.swing.JViewport.blitDoubleBuffered(Unknown Source)
at javax.swing.JViewport.windowBlitPaint(Unknown Source)
at javax.swing.JViewport.setViewPosition(Unknown Source)
at javax.swing.JViewport.scrollRectToVisible(Unknown Source)
at javax.swing.JComponent.scrollRectToVisible(Unknown Source)
at javax.swing.text.DefaultCaret.adjustVisibility(Unknown Source)
at javax.swing.text.DefaultCaret.repaintNewCaret(Unknown Source)
at javax.swing.text.DefaultCaret$1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
java.lang.IllegalArgumentException: Invalid substring range
at java.text.AttributedString$AttributedStringIterator.<init>(Unknown Source)
at java.text.AttributedString.getIterator(Unknown Source)
at javax.swing.text.Utilities.drawComposedText(Unknown Source)
at javax.swing.text.PlainView.drawElement(Unknown Source)
at javax.swing.text.PlainView.drawLine(Unknown Source)
at com.mathworks.mde.cmdwin.CmdWinSyntaxUI$SyntaxPlainView.drawLine(CmdWinSyntaxUI.java:509)
at javax.swing.text.PlainView.paint(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI$RootView.paint(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI.paintSafely(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI.paint(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI.update(Unknown Source)