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kie - Drools 7.4.1 kieservices.factory.get() returns null

I try to integrate Drools 7.4.1 into a webapp in tomcat.

When I call in the code the following statement to get a KieService I get null.

KieServices ks = KieServices.Factory.get();

When the same method is being called from a test method it is ok.

Can anyone help on this?

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You have to add drools-compiler in your dependencies.

    <dependency>
        <groupId>org.drools</groupId>
        <artifactId>drools-compiler</artifactId>
        <version>7.4.1</version>
    </dependency>

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