[ARROW-10962] [Java][FlightRPC] FlightData deserializer should accept missing fields

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 3.0.0
• Component/s: FlightRPC, Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/26885
• Assignee: David Li
• Reporter: David Li
• Created: 18/Dec/20 16:48
• Updated: 11/Jan/23 08:16
• Resolved: 08/Jan/21 01:55

Description

To be compatible with Protobuf implementations, missing fields should not be treated as an error. The C++ implementation has the same issue, and this is causing issues with the C# and Rust implementations (and presumably the Go implementation)

Issue Links

• relates to: ARROW-10939 [C#][FlightRPC] incompatible with java client for empty record batches
• relates to: ARROW-10960 [C++][FlightRPC] Missing protobuf data_body should result in default value of empty bytes, not null
• links to: GitHub Pull Request #8963