includeUserMetadata of listObjects doesn't work (Java SDK 8.4.5 or higher)

[Flotschili]

Expected Behavior

When executing the listObjects() method with the includeUserMetadata parameter set to true, the method should return user-specific metadata associated with the objects in the specified bucket. However, currently, the user-specific metadata is not being returned by the method, despite the metadata being present in the MinIO Console.

Expected Result:

The listObjects() method should return a list of objects in the specified bucket, including the user-specific metadata associated with each object.

Actual Result:

The listObjects() method returns a list of objects in the specified bucket, but the user-specific metadata associated with each object is null.

Affected SDK versions

Java SDK 8.4.5 or higher

Temporary Fix

I downgraded to Java SDK version 8.4.4

Enviroment

Java Version 17 (Temurin)
Windows 10
MinIO Buckets with versioning enabled

minIO Server

Problem occours on:
"https://play.min.io"
minIO Docker (Version: 2023-03-24T21:41:23Z)

Context

My usecase is to store additional IDs to the files uploaded to MinIO. When listing all the objects, i need to retreive this information in order to link the file to data from other sources.

[klauspost]

Could be the same issue as this: minio/minio-go#1795