E2A Java reference spike — Spring Boot 3.x microservices validating SAP BOPF/RAP patterns (Saga, @idempotent AOP, double-entry ledger, Spring AI RAG) are directly portable to cloud-native Java on AWS EKS.
java microservices kafka spring-boot clean-architecture saga-pattern idempotency aws-eks rag financial-systems spring-ai e2a-framework
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Updated
May 22, 2026 - Java