[rules-users] NullPointerException with factType.get(fact, "fieldname")

[JarkkoMakela]

Manstis was right, I was trying to access Java class with the API for
accessing declared (DRL) types.
ValidationError class was created with Drools Workbench data modeller. I
thought that data modeller creates declarative classes, like in Drools
Guvnor.
I imported ValidationError as normal Java class and and started to use as it
as normal Java class and problem was solved.
Sorry for all the trouble and thanks for help!

-Jarkko



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