[rules-users] MVEL wows: what does "importInjectionRequired" mean?

[Mark Proctor]

Barry Kaplan wrote:
> Oh boy, what a ride. In my real code the two variables are called
> "DeviceOperatingStateModel" and "DeviceUtilizationStateModel". Just as an
> experiment I renamed the second to "aa" -- low and behold the variable was
> resolved. Then I changed to "DeviceUtilizationStateModelx" and
> "deviceUtilizationStateModel" and both of those were resolved. 
>
> This is so strange. There something about the name
> "DeviceUtilizationStateModel" that mvel just does not like! (Ok, surely
> that's not it and its something else in classpath. But its more fun to make
> believe that mvel doesn't like my names).
>   
You cannot have a variable name in MVEL that shadows a class name.
http://mvel.codehaus.org/MVEL+2.0+Language+FAQ

Mark