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First of all, your code should never, ever, have a dependency on Core Runtime. If you think you need this, you should probably contact qi4j-dev forum at Google Groups and see if your usecase can either be solved in a existing way or perhaps that a new Core SPI Extension is needed.
Let’s repeat that; Never, never, ever depend on Core Runtime. Make sure that the compile dependency does NOT include
the org.qi4j.core.runtime
jar.