@Override
    public SinkConfig getSinkConfig(InlongGroupInfo groupInfo, InlongStreamInfo streamInfo, StreamSink sink) {
        throw new BusinessException(String.format("not support get sink config for sink type=%s", sink.getSinkType()));
    }
Check the validity of sink fields.
inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/sink/AbstractSinkOperator.java