[rules-users] NullPointerException when updating a fact

[schenka7]

I have appended the code that leads to the exception.

I have also noticed that the exception doesn't arise when using the concrete
FirstName type in the retracting rule. I have been using the generic base
class Value because I didn't want to write the same rule for all types
extending from it.

Main.java <http://drools.46999.n3.nabble.com/file/n4025204/Main.java>  
validation.drl
<http://drools.46999.n3.nabble.com/file/n4025204/validation.drl>  



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