Non-standard collections

DeWu Technology

Apr 29, 2024 · Backend Development

Handling Non-Standard Collection Types in Dubbo RPC with Protostuff Serialization

When Dubbo RPC uses Protostuff serialization, DTO fields declared with ambiguous types that contain non‑standard collections such as subList results can trigger ClassNotFound or null errors during deserialization, so converting these to regular JDK collections (or switching to a more tolerant format like Hessian2/JSON) restores stability.