NullPointerException when loading plantuml.skin

Question

file contents:
skinparam {
    participant {
        BackgroundColor White
        BorderColor Black
    }
    actor {
        BackgroundColor White
        BorderColor Black
    }
    database {
        BackgroundColor White
        BorderColor Black
    }
    usecase {
        ArrowColor Black
        ArrowFontColor Black
    }
}

exception:

(V1.2019.12) java.lang.NullPointerException

Answer 1

Could you provide a complete @startuml/@enduml

Did you change plantuml.skin file ?

Can you also check that you have a /skin folder inside plantuml.jar

Thanks!