[rules-users] field names containing underscore

[Samuli Saarinen]

Hello,

Currently it seams that using underscore as part of a field makes it 
impossible to use the field in a rule.

eg.
public class Bean {

private boolean my_boolean;
}

rule "Test"
dialect "mvel"
	when

         b: Bean(my_boolean == true)
....

When compiling the rule this results in "Unable to build constraint as 
'my_boolean' is invalid" error using Drools 5.2.0.CR1

and "Unable to create Field Extractor for 'my_boolean' of 
'[ClassObjectType class=com.test.Bean]'" using Drools 5.1.1

Is this the expected behavior?

Cheers,

Samuli

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