You're IAR defines additional deps: <dependencies> <dependency> <groupid>com.axonivy</groupid> <artifactid>persistence</artifactid> <version>0.0.1</version> </dependency> </dependencies> You must add JAR dependencies from maven with your IAR: otherwise they will not be accessible to the engine https://answers.axonivy.com/questions/2089/add-library-with-pom-xml

You must add JAR dependencies from maven with your IAR: otherwise they will not be accessible to the engine https://answers.axonivy.com/questions/2089/add-library-with-pom-xml