BatchingRabbitTemplate Overwrites Custom Headers of Batched Messages about spring-amqp HOT 2 CLOSED

/**
 * A simple batching strategy that supports only one exchange/routingKey; includes a batch
 * size, a batched message size limit and a timeout. The message properties from the first
 * message in the batch is used in the batch message. Each message is preceded by a 4 byte
 * length field.
 *
 * @author Gary Russell
 * @since 1.4.1
 *
 */
public class SimpleBatchingStrategy implements BatchingStrategy {