fix(madmin): restore server_info msgpack compatibility across mixed nodes (#2621)

2026-08-08 14:23:13 +00:00 · 2026-04-21 09:09:25 +08:00
parent 3796b684f0
commit b7a945e453
6 changed files with 141 additions and 9 deletions
@@ -204,7 +204,9 @@ impl NodeService {
    ) -> Result<Response<ServerInfoResponse>, Status> {
        let info = get_local_server_property().await;
        let mut buf = Vec::new();
-        if let Err(err) = info.serialize(&mut Serializer::new(&mut buf)) {
+        // Use map encoding for forward/backward compatibility across mixed versions:
+        // unknown fields can be ignored by older nodes during deserialization.
+        if let Err(err) = info.serialize(&mut Serializer::new(&mut buf).with_struct_map()) {
            return Ok(Response::new(ServerInfoResponse {
                success: false,
                server_properties: Bytes::new(),