Enterprise Kotlin: Jakarta EE for Kotlin developers
summary
Shows a runnable Kotlin app on Open Liberty using Jakarta EE specs: REST, JSON‑B, CDI, Bean Validation and JPA with an H2 in‑memory DB, persisting an entity and returning a hello endpoint. Key fixes are using the JetBrains kotlin-maven-plugin with the all-open plugin and no-arg plugin, and placing persistence.xml under META-INF. Notes thin runtime docs, explains why Kotlin’s final-by-default classes break proxies, and provides a GitHub starter with the exact pom changes and code.
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chapters (7)
- 0:00Introduction to Enterprise Kotlin
- 2:37What is Jakarta EE
- 5:01Jakarta EE and Kotlin compatibility
- 8:46Documentation and pitfalls
- 11:36Code changes for Kotlin
- 16:15Step-by-step setup guide
- 17:38Summary and conclusion
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