Why do I receive a Java error when I attempt to click and drag a waitbar in MATLAB 7.0 (R14)?

I receive the following error when I attempt to click and drag a waitbar:

 java.lang.NullPointerException 

 at com.mathworks.mwt.MWCombobox$EventHandler.mouseEntered(MWCombobox.java:962) 

 at com.mathworks.mwt.text.MWTextComponent$TextComponentMouseListener.mouseEntered(MWTextComponent.java:2143) 

 at java.awt.AWTEventMulticaster.mouseEntered(Unknown Source) 

 at java.awt.Component.processMouseEvent(Unknown Source) 

 at com.mathworks.mwt.MWComponent.processMouseEvent(MWComponent.java:536) 

 at java.awt.Component.processEvent(Unknown Source) 

 at java.awt.Component.dispatchEventImpl(Unknown Source) 

 at java.awt.Component.dispatchEvent(Unknown Source) 

 at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) 

 at java.awt.LightweightDispatcher.trackMouseEnterExit(Unknown Source) 

 <snip>

Answer 1

[MathWorks Support Team]

This bug has been fixed in MATLAB 7.0.4 (R14SP2). If you are using a previous version, read the following:

We have verified that there is a bug in MATLAB 7.0 (R14) in the way that it handles clicking and dragging waitbars. This error message can be safely ignored.