[HDDS-8057] Handle unchecked exception in KeyValueHandler more gracefully

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Implemented
• Fix Version/s: 1.4.0
• Component/s: Ozone Datanode
• Labels: pull-request-available
• Target Version/s: 1.4.0
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 01/Mar/23 20:06
• Updated: 04/Mar/23 19:34
• Resolved: 04/Mar/23 19:34

Description

KeyValueHandler in general does not handle unchecked exceptions. The exception reaches gRPC, which closes the connection abruptly. As a result, client only gets some generic exception (StatusRuntimeException: UNKNOWN).

Steps to reproduce: same as HDDS-8019.

Issue Links

• Discovered while testing: HDDS-8019 IllegalStateException: call already closed at GrpcXceiverService$1.onCompleted
• links to: GitHub Pull Request #4334