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two problems with receiving-batch #1474

Closed
Fenhy opened this issue Jul 25, 2022 · 3 comments · Fixed by #1476
Closed

two problems with receiving-batch #1474

Fenhy opened this issue Jul 25, 2022 · 3 comments · Fixed by #1476
Labels
backport:2.4.x (obsolete) type: bug
Milestone
3.0.0-M4

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@Fenhy
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Fenhy commented Jul 25, 2022 •
edited
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In what version(s) of Spring AMQP are you seeing this issue?

spring-rabbit-2.4.6

Describe the bug

I need to use batch send and batch receive.

  1. When messages sent in batches are de-batch, the SimpleBatchingStrategy.deBatch() method shares the same instance of MessageProperties when processing AmqpHeaders.LAST_IN_BATCH, resulting in all messages in the batch becoming amqp_lastInBatch=true.

  2. When SimpleRabbitListenerContainerFactory generates an instance, the batch strategy is only set to the endpoint, but not to the instance, so the default strategy is still used when batching: new SimpleBatchingStrategy(0, 0, 0L)

To Reproduce

  1. Enable BatchingRabbitTemplate
  2. Send multiple messages
  3. Enable ConsumerBatchEnabled
  4. Receive messages in batches:
  • Can't tell if it's the last message in the batch
  • The configured batch strategy cannot be used correctly

Expected behavior

  1. Correctly set AmqpHeaders.LAST_IN_BATCH
  2. Custom batch policies can take effect normally.

I provide override code samples at the end.

Sample

import dependencies

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-dependencies</artifactId>
    <version>2.7.1</version>
    <type>pom</type>
    <scope>import</scope>
</dependency>

java ：
bind

@Configuration
@Slf4j
public class RabbitConfigAutoByAnnotation  {

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Bean
    public Queue queueAnnotation() {
        Map<String, Object> queueArguments = new HashMap<>(1);
        queueArguments.put("x-single-active-consumer", true);
        return new Queue(RabbitConstant.QUEUE_ANNOTATION, true, false, false, queueArguments);
    }

    @Bean
    public DirectExchange exchangeAnnotation() {
        return new DirectExchange(RabbitConstant.EXCHANGE_ANNOTATION, true, false, null);
    }

    @Bean
    public Binding workbenchDataBinding() {
        return BindingBuilder.bind(queueAnnotation()).to(exchangeAnnotation()).with(RabbitConstant.ROUTING_KEY_ANNOTATION);
    }
}

RabbitBatchConfig.java

@Configuration
@Slf4j
public class RabbitBatchConfig {
    /**
     * 批量收集最大消息条数
     */
    final int BATCH_SIZE = 7;
    /**
     * 批量发送最大内存
     */
    final int BUFFER_LIMIT = 16 * 1024 * 1024;
    /**
     * 批量收集最长等待时间
     */
    final long TIMEOUT = 10 * 1000L;

    @Bean
    public MessageConverter jsonMessageConverter() {
        return new Jackson2JsonMessageConverter();
    }

    @Bean("batchingStrategy")
    public SimpleBatchingStrategy batchingStrategy(){
        return new SimpleBatchingStrategy(BATCH_SIZE, BUFFER_LIMIT, TIMEOUT);
    }

    @Bean
    public BatchingRabbitTemplate batchingRabbitTemplate(SimpleBatchingStrategy batchingStrategy,ConnectionFactory connectionFactory) {
        BatchingRabbitTemplate batchingRabbitTemplate = new BatchingRabbitTemplate(connectionFactory, batchingStrategy, new ConcurrentTaskScheduler());
        batchingRabbitTemplate.setMessageConverter(jsonMessageConverter());
        return batchingRabbitTemplate;
    }

    @Bean(name = "myBatchContainerFactory")
    public SimpleRabbitListenerContainerFactory consumerBatchContainerFactory(SimpleBatchingStrategy batchingStrategy, ConnectionFactory connectionFactory) {
        SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();
        factory.setBatchingStrategy(batchingStrategy);
        factory.setConnectionFactory(connectionFactory);
        factory.setBatchListener(true);
        factory.setConsumerBatchEnabled(true);
        factory.setAcknowledgeMode(AcknowledgeMode.MANUAL);
        factory.setBatchSize(4);
        factory.setReceiveTimeout(5000L);
        factory.setMessageConverter(new Jackson2JsonMessageConverter());
        return factory;
    }
}

RabbitConstant.java

public class RabbitConstant {

    public static final String QUEUE_ANNOTATION = "demo.fenhy.reliable.annotation.queue";
    public static final String EXCHANGE_ANNOTATION = "demo.fenhy.reliable.annotation.exchange";
    public static final String ROUTING_KEY_ANNOTATION = "demo.fenhy.reliable.annotation.routing-key";

}

user

@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class User implements Serializable {
    private long id;
    private String name;
    private int age;
}

producer

    @GetMapping("p0")
    public String p0(@RequestParam(defaultValue = "0") int type) {
        User user = User.builder().id(FAKER.number().randomNumber()).age(FAKER.number().numberBetween(1, 32)).name(FAKER.name().name()).build();
        batchingRabbitTemplate.convertAndSend(RabbitConstant.EXCHANGE_ANNOTATION,
                RabbitConstant.ROUTING_KEY_ANNOTATION,
                user);
        log.info("p0消息投递完毕");
        return "p0-test";
    }

consumer

    @RabbitListener(queues = RabbitConstant.QUEUE_ANNOTATION, containerFactory = "myBatchContainerFactory")
    public void p2(List<org.springframework.messaging.Message<User>> messages, Channel channel) throws IOException {
        log.info("开始批量消费=================size:{}", messages.size());
        messages.forEach(message -> {
            MessageHeaders headers = message.getHeaders();
            long deliverTag = Long.valueOf(headers.get(AmqpHeaders.DELIVERY_TAG).toString());
            boolean isLast = Boolean.valueOf(headers.get(AmqpHeaders.LAST_IN_BATCH).toString());
            if (isLast) {
                try {
                    channel.basicAck(deliverTag, false);
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            log.info("消费者 p2 messaging deliveryTag:{}, isLast:{}, 接收消息:{}", deliverTag, isLast, message);
        });
        log.info("结束批量消费========================");
    }

Attempt to deliver 5 messages and report the following error. Double ack due to bug in AmqpHeaders.LAST_IN_BATCH.

2022-07-25 17:28:59.381 [http-nio-8080-exec-1] INFO  o.a.c.core.ContainerBase.[Tomcat].[localhost].[/] - Initializing Spring DispatcherServlet 'dispatcherServlet'  
2022-07-25 17:28:59.381 [http-nio-8080-exec-1] INFO  org.springframework.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'  
2022-07-25 17:28:59.382 [http-nio-8080-exec-1] INFO  org.springframework.web.servlet.DispatcherServlet - Completed initialization in 1 ms  
2022-07-25 17:28:59.434 [http-nio-8080-exec-1] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:29:00.134 [http-nio-8080-exec-3] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:29:00.493 [http-nio-8080-exec-4] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:29:00.942 [http-nio-8080-exec-5] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:29:01.733 [http-nio-8080-exec-6] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:29:11.748 [pool-5-thread-1] DEBUG o.s.a.rabbit.connection.CachingConnectionFactory - Creating cached Rabbit Channel from AMQChannel(amqp://root@127.0.0.1:5672/,2)  
2022-07-25 17:29:11.749 [pool-5-thread-1] DEBUG o.s.amqp.rabbit.core.BatchingRabbitTemplate - Executing callback RabbitTemplate$$Lambda$815/949582174 on RabbitMQ Channel: Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,2), conn: Proxy@203e705e Shared Rabbit Connection: SimpleConnection@45c80312 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61016]  
2022-07-25 17:29:11.750 [pool-5-thread-1] DEBUG o.s.amqp.rabbit.core.BatchingRabbitTemplate - Publishing message [(Body:'[B@47516dd6(byte[205])' MessageProperties [headers={amqp_batchSize=5, springBatchFormat=lengthHeader4, __TypeId__=org.fenhy.demo.entity.User}, contentType=application/json, contentEncoding=UTF-8, contentLength=35, deliveryMode=PERSISTENT, priority=0, deliveryTag=0])] on exchange [demo.fenhy.reliable.annotation.exchange], routingKey = [demo.fenhy.reliable.annotation.routing-key]  
2022-07-25 17:29:11.761 [pool-3-thread-5] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Storing delivery for consumerTag: 'amq.ctag-xZNo8sCDs9gvvJNy-CYfHw' with deliveryTag: '2' in Consumer@5627cb29: tags=[[amq.ctag-xZNo8sCDs9gvvJNy-CYfHw]], channel=Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,1), conn: Proxy@203e705e Shared Rabbit Connection: SimpleConnection@45c80312 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61016], acknowledgeMode=MANUAL local queue size=0  
2022-07-25 17:29:11.762 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Received message: (Body:'[B@3873c73c(byte[205])' MessageProperties [headers={amqp_batchSize=5, springBatchFormat=lengthHeader4, __TypeId__=org.fenhy.demo.entity.User}, contentType=application/json, contentEncoding=UTF-8, contentLength=0, receivedDeliveryMode=PERSISTENT, priority=0, redelivered=false, receivedExchange=demo.fenhy.reliable.annotation.exchange, receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, deliveryTag=2, consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, consumerQueue=demo.fenhy.reliable.annotation.queue])  
2022-07-25 17:29:16.771 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.a.r.l.a.BatchMessagingMessageListenerAdapter - Processing [GenericMessage [payload=[GenericMessage [payload=User(id=4, name=董煜城, age=3), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=34571103-03e8-cd15-04f4-feaccc5c982e, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356769}], GenericMessage [payload=User(id=5482, name=廖鹏煊, age=9), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=76d59a4d-57f8-18c7-6912-b7814312b8a5, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356769}], GenericMessage [payload=User(id=73132, name=王致远, age=3), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=3b2ec17a-c001-7bc5-0ad0-7f30c7207bc0, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356769}], GenericMessage [payload=User(id=31, name=余鹏煊, age=14), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=e27ec6ba-b4ef-6524-5ff5-f85974c3f9fa, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356770}], GenericMessage [payload=User(id=37, name=卢建辉, age=7), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=2015a1f9-70b9-df2b-5765-0dd5cbb0fa63, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356770}]], headers={id=5cae78fd-0a11-0e1b-363d-08b49ff47cde, timestamp=1658741356770}]]  
2022-07-25 17:29:16.772 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 开始批量消费=================size:5  
2022-07-25 17:29:16.773 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=4, name=董煜城, age=3), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=34571103-03e8-cd15-04f4-feaccc5c982e, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356769}]  
2022-07-25 17:29:16.773 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=5482, name=廖鹏煊, age=9), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=76d59a4d-57f8-18c7-6912-b7814312b8a5, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356769}]  
2022-07-25 17:29:16.773 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=73132, name=王致远, age=3), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=3b2ec17a-c001-7bc5-0ad0-7f30c7207bc0, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356769}]  
2022-07-25 17:29:16.773 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=31, name=余鹏煊, age=14), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=e27ec6ba-b4ef-6524-5ff5-f85974c3f9fa, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356770}]  
2022-07-25 17:29:16.773 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=37, name=卢建辉, age=7), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=36, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=2015a1f9-70b9-df2b-5765-0dd5cbb0fa63, amqp_consumerTag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741356770}]  
2022-07-25 17:29:16.774 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 结束批量消费========================  
2022-07-25 17:29:16.787 [AMQP Connection 127.0.0.1:5672] ERROR o.s.a.rabbit.connection.CachingConnectionFactory - Shutdown Signal: channel error; protocol method: #method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - unknown delivery tag 2, class-id=60, method-id=80)  
2022-07-25 17:29:16.789 [pool-3-thread-6] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Received shutdown signal for consumer tag=amq.ctag-xZNo8sCDs9gvvJNy-CYfHw  
com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - unknown delivery tag 2, class-id=60, method-id=80)
	at com.rabbitmq.client.impl.ChannelN.asyncShutdown(ChannelN.java:517)
	at com.rabbitmq.client.impl.ChannelN.processAsync(ChannelN.java:341)
	at com.rabbitmq.client.impl.AMQChannel.handleCompleteInboundCommand(AMQChannel.java:182)
	at com.rabbitmq.client.impl.AMQChannel.handleFrame(AMQChannel.java:114)
	at com.rabbitmq.client.impl.AMQConnection.readFrame(AMQConnection.java:739)
	at com.rabbitmq.client.impl.AMQConnection.access$300(AMQConnection.java:47)
	at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:666)
	at java.lang.Thread.run(Thread.java:750)
2022-07-25 17:29:21.784 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.a.r.listener.SimpleMessageListenerContainer - Consumer raised exception, processing can restart if the connection factory supports it  
com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - unknown delivery tag 2, class-id=60, method-id=80)
	at com.rabbitmq.client.impl.ChannelN.asyncShutdown(ChannelN.java:517)
	at com.rabbitmq.client.impl.ChannelN.processAsync(ChannelN.java:341)
	at com.rabbitmq.client.impl.AMQChannel.handleCompleteInboundCommand(AMQChannel.java:182)
	at com.rabbitmq.client.impl.AMQChannel.handleFrame(AMQChannel.java:114)
	at com.rabbitmq.client.impl.AMQConnection.readFrame(AMQConnection.java:739)
	at com.rabbitmq.client.impl.AMQConnection.access$300(AMQConnection.java:47)
	at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:666)
	at java.lang.Thread.run(Thread.java:750)
2022-07-25 17:29:21.785 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  o.s.a.r.listener.SimpleMessageListenerContainer - Restarting Consumer@5627cb29: tags=[[amq.ctag-xZNo8sCDs9gvvJNy-CYfHw]], channel=Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,1), conn: Proxy@203e705e Shared Rabbit Connection: SimpleConnection@45c80312 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61016], acknowledgeMode=MANUAL local queue size=0  
2022-07-25 17:29:21.785 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Closing Rabbit Channel: Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,1), conn: Proxy@203e705e Shared Rabbit Connection: SimpleConnection@45c80312 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61016]  
2022-07-25 17:29:21.785 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.a.rabbit.connection.CachingConnectionFactory - Closing cached Channel: AMQChannel(amqp://root@127.0.0.1:5672/,1)  
2022-07-25 17:29:21.787 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-2] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Starting consumer Consumer@1cadb1a1: tags=[[]], channel=null, acknowledgeMode=MANUAL local queue size=0  
2022-07-25 17:29:21.803 [pool-3-thread-7] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - ConsumeOK: Consumer@1cadb1a1: tags=[[amq.ctag-DPmOqH4Wg3AyV0jpE_LBsw]], channel=Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,2), conn: Proxy@203e705e Shared Rabbit Connection: SimpleConnection@45c80312 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61016], acknowledgeMode=MANUAL local queue size=0  
2022-07-25 17:29:21.803 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-2] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Started on queue 'demo.fenhy.reliable.annotation.queue' with tag amq.ctag-DPmOqH4Wg3AyV0jpE_LBsw: Consumer@1cadb1a1: tags=[[]], channel=Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,2), conn: Proxy@203e705e Shared Rabbit Connection: SimpleConnection@45c80312 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61016], acknowledgeMode=MANUAL local queue size=0  
2022-07-25 17:29:21.804 [pool-3-thread-8] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Storing delivery for consumerTag: 'amq.ctag-DPmOqH4Wg3AyV0jpE_LBsw' with deliveryTag: '1' in Consumer@1cadb1a1: tags=[[amq.ctag-DPmOqH4Wg3AyV0jpE_LBsw]], channel=Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,2), conn: Proxy@203e705e Shared Rabbit Connection: SimpleConnection@45c80312 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61016], acknowledgeMode=MANUAL local queue size=0  
2022-07-25 17:29:21.804 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-2] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Received message: (Body:'{"id":9,"name":"梁涛","age":13}' MessageProperties [headers={__TypeId__=org.fenhy.demo.entity.User}, contentType=application/json, contentEncoding=UTF-8, contentLength=0, receivedDeliveryMode=PERSISTENT, priority=0, redelivered=true, receivedExchange=demo.fenhy.reliable.annotation.exchange, receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, deliveryTag=1, consumerTag=amq.ctag-DPmOqH4Wg3AyV0jpE_LBsw, consumerQueue=demo.fenhy.reliable.annotation.queue])  
2022-07-25 17:29:26.810 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-2] DEBUG o.s.a.r.l.a.BatchMessagingMessageListenerAdapter - Processing [GenericMessage [payload=[GenericMessage [payload=User(id=9, name=梁涛, age=13), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, id=b21d033b-5f9a-e931-e003-1b8aea823a1a, amqp_consumerTag=amq.ctag-DPmOqH4Wg3AyV0jpE_LBsw, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741366810}]], headers={id=d1d169ac-fd42-f751-2024-0c07697186e3, timestamp=1658741366810}]]  
2022-07-25 17:29:26.811 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-2] INFO  org.fenhy.demo.listener.ManualConsumer - 开始批量消费=================size:1  
2022-07-25 17:29:26.811 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-2] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:1, isLast:false, 接收消息:GenericMessage [payload=User(id=9, name=梁涛, age=13), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, id=b21d033b-5f9a-e931-e003-1b8aea823a1a, amqp_consumerTag=amq.ctag-DPmOqH4Wg3AyV0jpE_LBsw, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741366810}]  
2022-07-25 17:29:26.811 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-2] INFO  org.fenhy.demo.listener.ManualConsumer - 结束批量消费========================

After tracing, I override the createListenerContainer() and deBatch() methods, and send 5 messages again, the test is correct.
RabbitBatchConfig

@Configuration
@Slf4j
public class RabbitBatchConfig {
    /**
     * 批量收集最大消息条数
     */
    final int BATCH_SIZE = 7;
    /**
     * 批量发送最大内存
     */
    final int BUFFER_LIMIT = 16 * 1024 * 1024;
    /**
     * 批量收集最长等待时间
     */
    final long TIMEOUT = 10 * 1000L;

    @Bean
    public MessageConverter jsonMessageConverter() {
        return new Jackson2JsonMessageConverter();
    }

    @Bean("batchingStrategy")
    public SimpleBatchingStrategy batchingStrategy(){
        SimpleBatchingStrategy strategy = new SimpleBatchingStrategy(BATCH_SIZE, BUFFER_LIMIT, TIMEOUT){
            @Override
            public void deBatch(Message message, Consumer<Message> fragmentConsumer) {
                ByteBuffer byteBuffer = ByteBuffer.wrap(message.getBody());
                MessageProperties messageProperties = message.getMessageProperties();
                messageProperties.getHeaders().remove(MessageProperties.SPRING_BATCH_FORMAT);
                while (byteBuffer.hasRemaining()) {
                    int length = byteBuffer.getInt();
                    if (length < 0 || length > byteBuffer.remaining()) {
                        throw new ListenerExecutionFailedException("Bad batched message received",
                                new MessageConversionException("Insufficient batch data at offset " + byteBuffer.position()),
                                message);
                    }
                    byte[] body = new byte[length];
                    byteBuffer.get(body);
                    messageProperties.setContentLength(length);
                    // Caveat - shared MessageProperties.
                    Message fragment = new Message(body, messageProperties);
                    if (!byteBuffer.hasRemaining()) {
                        MessageProperties lastMessageProperties = new MessageProperties();
                        BeanUtils.copyProperties(messageProperties, lastMessageProperties);
                        fragment = new Message(body, lastMessageProperties);
                        lastMessageProperties.setLastInBatch(true);
                        log.info("这是当前批次最后的消息:{}", lastMessageProperties);
                    }
                    fragmentConsumer.accept(fragment);
                }
            }
        };
        return strategy;
    }


    @Bean
    public BatchingRabbitTemplate batchingRabbitTemplate(SimpleBatchingStrategy batchingStrategy,ConnectionFactory connectionFactory) {
        BatchingRabbitTemplate batchingRabbitTemplate = new BatchingRabbitTemplate(connectionFactory, batchingStrategy, new ConcurrentTaskScheduler());
        batchingRabbitTemplate.setMessageConverter(jsonMessageConverter());
        return batchingRabbitTemplate;
    }

    @Bean(name = "myBatchContainerFactory")
    public SimpleRabbitListenerContainerFactory consumerBatchContainerFactory(SimpleBatchingStrategy batchingStrategy, ConnectionFactory connectionFactory) {
        SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory(){
            @Override
            public SimpleMessageListenerContainer createListenerContainer(RabbitListenerEndpoint endpoint) {
                SimpleMessageListenerContainer instance = super.createListenerContainer(endpoint);
                if (endpoint != null) {
                   JavaUtils.INSTANCE.acceptIfNotNull(batchingStrategy, instance::setBatchingStrategy);
                }
                return instance;
            }
        };
        factory.setBatchingStrategy(batchingStrategy);
        factory.setConnectionFactory(connectionFactory);
        factory.setBatchListener(true);
        factory.setConsumerBatchEnabled(true);
        factory.setAcknowledgeMode(AcknowledgeMode.MANUAL);
        factory.setBatchSize(4);
        factory.setReceiveTimeout(5000L);
        factory.setMessageConverter(new Jackson2JsonMessageConverter());
        return factory;
    }
}

log

2022-07-25 17:34:20.631 [http-nio-8080-exec-1] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:34:21.081 [http-nio-8080-exec-2] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:34:21.495 [http-nio-8080-exec-3] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:34:21.917 [http-nio-8080-exec-4] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:34:22.305 [http-nio-8080-exec-5] INFO  org.fenhy.demo.controller.ProducerController - p0消息投递完毕  
2022-07-25 17:34:32.315 [pool-5-thread-1] DEBUG o.s.a.rabbit.connection.CachingConnectionFactory - Creating cached Rabbit Channel from AMQChannel(amqp://root@127.0.0.1:5672/,2)  
2022-07-25 17:34:32.316 [pool-5-thread-1] DEBUG o.s.amqp.rabbit.core.BatchingRabbitTemplate - Executing callback RabbitTemplate$$Lambda$812/1108165996 on RabbitMQ Channel: Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,2), conn: Proxy@1eb85a47 Shared Rabbit Connection: SimpleConnection@256589a1 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61151]  
2022-07-25 17:34:32.316 [pool-5-thread-1] DEBUG o.s.amqp.rabbit.core.BatchingRabbitTemplate - Publishing message [(Body:'[B@66eb887a(byte[217])' MessageProperties [headers={amqp_batchSize=5, springBatchFormat=lengthHeader4, __TypeId__=org.fenhy.demo.entity.User}, contentType=application/json, contentEncoding=UTF-8, contentLength=42, deliveryMode=PERSISTENT, priority=0, deliveryTag=0])] on exchange [demo.fenhy.reliable.annotation.exchange], routingKey = [demo.fenhy.reliable.annotation.routing-key]  
2022-07-25 17:34:32.325 [pool-3-thread-5] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Storing delivery for consumerTag: 'amq.ctag-SbfyxsJbR4Uzsh27xmSyFA' with deliveryTag: '2' in Consumer@646d810b: tags=[[amq.ctag-SbfyxsJbR4Uzsh27xmSyFA]], channel=Cached Rabbit Channel: AMQChannel(amqp://root@127.0.0.1:5672/,1), conn: Proxy@1eb85a47 Shared Rabbit Connection: SimpleConnection@256589a1 [delegate=amqp://root@127.0.0.1:5672/, localPort= 61151], acknowledgeMode=MANUAL local queue size=0  
2022-07-25 17:34:32.325 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Received message: (Body:'[B@7e117c00(byte[217])' MessageProperties [headers={amqp_batchSize=5, springBatchFormat=lengthHeader4, __TypeId__=org.fenhy.demo.entity.User}, contentType=application/json, contentEncoding=UTF-8, contentLength=0, receivedDeliveryMode=PERSISTENT, priority=0, redelivered=false, receivedExchange=demo.fenhy.reliable.annotation.exchange, receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, deliveryTag=2, consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, consumerQueue=demo.fenhy.reliable.annotation.queue])  
2022-07-25 17:34:32.330 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.config.RabbitBatchConfig - 这是当前批次最后的消息:MessageProperties [headers={}, contentType=application/json, contentEncoding=UTF-8, contentLength=42, receivedDeliveryMode=PERSISTENT, priority=0, redelivered=false, receivedExchange=demo.fenhy.reliable.annotation.exchange, receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, deliveryTag=2, consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, consumerQueue=demo.fenhy.reliable.annotation.queue]  
2022-07-25 17:34:37.339 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.a.r.l.a.BatchMessagingMessageListenerAdapter - Processing [GenericMessage [payload=[GenericMessage [payload=User(id=6108835, name=傅天宇, age=25), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=30a90c0d-455f-8d3a-e2b3-5e47cb12d94e, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741677337}], GenericMessage [payload=User(id=308500, name=余耀杰, age=19), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=328d899c-8c4a-660d-fc46-c43f683976d0, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741677337}], GenericMessage [payload=User(id=72, name=萧胤祥, age=7), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=d84cc6c0-c472-ca3d-98bd-d3e118a88d01, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741677338}], GenericMessage [payload=User(id=51, name=夏擎宇, age=8), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=d22d0f6e-3d5a-0012-cc83-ba9f2cf8dd04, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741677338}], GenericMessage [payload=User(id=1713878, name=武绍辉, age=18), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, id=9390b058-bd00-164d-0ea8-3c868bbf5e91, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=true, contentType=application/json, timestamp=1658741677338}]], headers={id=0b0af0df-3ccb-9206-e61b-a4b5dd95893d, timestamp=1658741677338}]]  
2022-07-25 17:34:37.340 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 开始批量消费=================size:5  
2022-07-25 17:34:37.340 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:false, 接收消息:GenericMessage [payload=User(id=6108835, name=傅天宇, age=25), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=30a90c0d-455f-8d3a-e2b3-5e47cb12d94e, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741677337}]  
2022-07-25 17:34:37.341 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:false, 接收消息:GenericMessage [payload=User(id=308500, name=余耀杰, age=19), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=328d899c-8c4a-660d-fc46-c43f683976d0, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741677337}]  
2022-07-25 17:34:37.341 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:false, 接收消息:GenericMessage [payload=User(id=72, name=萧胤祥, age=7), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=d84cc6c0-c472-ca3d-98bd-d3e118a88d01, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741677338}]  
2022-07-25 17:34:37.341 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:false, 接收消息:GenericMessage [payload=User(id=51, name=夏擎宇, age=8), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=5, id=d22d0f6e-3d5a-0012-cc83-ba9f2cf8dd04, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658741677338}]  
2022-07-25 17:34:37.342 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=1713878, name=武绍辉, age=18), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=false, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, id=9390b058-bd00-164d-0ea8-3c868bbf5e91, amqp_consumerTag=amq.ctag-SbfyxsJbR4Uzsh27xmSyFA, amqp_lastInBatch=true, contentType=application/json, timestamp=1658741677338}]  
2022-07-25 17:34:37.343 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 结束批量消费========================
@garyrussell garyrussell added this to the 3.0.0-M4 milestone Jul 25, 2022
garyrussell added a commit to garyrussell/spring-amqp that referenced this issue Jul 25, 2022
@garyrussell
spring-projectsGH-1474: Fix BatchingStrategy Propagation
b881075 
See spring-projects#1474
(Does not resolve because 2 issues are reported there).

`BatchingStrategy` was not set by container factory.
garyrussell added a commit to garyrussell/spring-amqp that referenced this issue Jul 25, 2022
@garyrussell
spring-projectsGH-1474: Fix BatchingStrategy Propagation
d7fe106 
See spring-projects#1474
(Does not resolve because 2 issues are reported there).

`BatchingStrategy` was not set by container factory.

**cherry-pick to 2.4.x**
garyrussell added a commit to garyrussell/spring-amqp that referenced this issue Jul 25, 2022
@garyrussell
spring-projectsGH-1474: Fix BatchingStrategy Propagation
016980a 
See spring-projects#1474
(Does not resolve because 2 issues are reported there).

`BatchingStrategy` was not set by container factory.

**cherry-pick to 2.4.x**
@garyrussell garyrussell mentioned this issue Jul 25, 2022
Merged
@garyrussell
Copy link
Contributor

We will fix both but, bear in mind that the lastInBatch flag is not really needed when you receive the entire batch in one go since you know the size of the list. When receiving debatched records individually, the flag is only set on the last message.

garyrussell added a commit to garyrussell/spring-amqp that referenced this issue Jul 25, 2022
@garyrussell
spring-projectsGH-1474: Fix MessageProperties.lastInBatch
a693c20 
Resolves spring-projects#1474

When consuming the whole debatched batch as a list, all messages
had the `lastInBatch` property set to true.

Clone the message properties for the last record.

**cherry-pick to 2.4.x**
@garyrussell garyrussell mentioned this issue Jul 25, 2022
Merged
artembilan pushed a commit that referenced this issue Jul 25, 2022
@garyrussell @artembilan
GH-1474: Fix BatchingStrategy Propagation
18e4209 
See #1474
(Does not resolve because 2 issues are reported there).

`BatchingStrategy` was not set by container factory.

**cherry-pick to 2.4.x**
artembilan pushed a commit that referenced this issue Jul 25, 2022
@garyrussell @artembilan
GH-1474: Fix BatchingStrategy Propagation
765e011 
See #1474
(Does not resolve because 2 issues are reported there).

`BatchingStrategy` was not set by container factory.

**cherry-pick to 2.4.x**
artembilan pushed a commit that referenced this issue Jul 25, 2022
@garyrussell @artembilan
GH-1474: Fix MessageProperties.lastInBatch
10274fe 
Resolves #1474

When consuming the whole debatched batch as a list, all messages
had the `lastInBatch` property set to true.

Clone the message properties for the last record.

**cherry-pick to 2.4.x**
@Fenhy
Copy link
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Fenhy commented Jul 26, 2022 •
edited
Loading

We will fix both but, bear in mind that the lastInBatch flag is not really needed when you receive the entire batch in one go since you know the size of the list. When receiving debatched records individually, the flag is only set on the last message.

@garyrussell
Thank you for your reply.

I also agree with you about lastInBatch at first. Until I did not set BatchingStrategy during testing, only set other batch parameters.

   @Bean(name = "myBatchContainerFactory")
    public SimpleRabbitListenerContainerFactory consumerBatchContainerFactory(SimpleBatchingStrategy batchingStrategy, ConnectionFactory connectionFactory) {
        SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();
//        {
//            @Override
//            public SimpleMessageListenerContainer createListenerContainer(RabbitListenerEndpoint endpoint) {
//                SimpleMessageListenerContainer instance = super.createListenerContainer(endpoint);
//                if (endpoint != null) {
//                   JavaUtils.INSTANCE.acceptIfNotNull(batchingStrategy, instance::setBatchingStrategy);
//                }
//                return instance;
//            }
//        };
        //factory.setBatchingStrategy(batchingStrategy);
        factory.setConnectionFactory(connectionFactory);
        factory.setBatchListener(true);
        factory.setConsumerBatchEnabled(true);
        factory.setAcknowledgeMode(AcknowledgeMode.MANUAL);
        factory.setBatchSize(4);
        factory.setReceiveTimeout(5000L);
        factory.setMessageConverter(new Jackson2JsonMessageConverter());
        return factory;
    }

The sender parameters are still the same as the above example. After sending a dozen messages, the queue data is as follows.
image

However, when receiving and processing, it is found that the data of the same list contains multiple deliverTags. If you just respond with ack at the end of the list, then there is still an error. Therefore, I only considered to judge together with lastInBatch.

2022-07-26 10:19:16.068 [main] INFO  org.fenhy.demo.RabbitmqBatchApplication - Started RabbitmqBatchApplication in 2.185 seconds (JVM running for 3.563)  
2022-07-26 10:19:21.136 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.a.r.l.a.BatchMessagingMessageListenerAdapter - Processing [GenericMessage [payload=[GenericMessage [payload=User(id=59314, name=杨炫明, age=5), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=1784e53c-a574-e5d4-4c96-61f92f059438, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}], GenericMessage [payload=User(id=41089692, name=尹瑞霖, age=25), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=79d9542f-dfff-96ff-cab7-fbd75f048454, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}], GenericMessage [payload=User(id=71700, name=贺睿渊, age=5), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=6b57a64f-be89-d06d-3c09-4953f4461f10, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}], GenericMessage [payload=User(id=8711, name=田思源, age=7), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=fa15320b-885a-3954-3dd1-d731ef2ea1f5, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}], GenericMessage [payload=User(id=2799, name=严文轩, age=11), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=e3e72a44-27f1-4762-3ef2-b74699efe4d3, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}], GenericMessage [payload=User(id=302135, name=金风华, age=24), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=197def8e-a9b3-cc90-0211-1bb3fcf12c10, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}], GenericMessage [payload=User(id=2767922, name=熊子轩, age=15), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=42556dfa-c12f-f2e7-200b-63e46849c20e, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}], GenericMessage [payload=User(id=98, name=蔡浩轩, age=23), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=3b82ffe5-44eb-d4ff-85bd-18f0f0375e0f, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}], GenericMessage [payload=User(id=36307775, name=孟伟宸, age=19), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=903a738a-aec4-1481-ef1a-85e4ebc28fc6, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}], GenericMessage [payload=User(id=4048, name=田鹏, age=25), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=043c1c27-9be3-0175-7392-e60173578f31, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}], GenericMessage [payload=User(id=8943657, name=黎立轩, age=16), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=0ffe2237-4e39-47c7-f7c5-7c95e97e329e, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}], GenericMessage [payload=User(id=91, name=吕明, age=8), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=5bb476ae-2d91-34f5-b890-e45c6fa3f1a4, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}], GenericMessage [payload=User(id=667, name=沈文昊, age=24), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=47210d01-4231-0a89-c65d-7eed6ce431df, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}], GenericMessage [payload=User(id=285006, name=汪峻熙, age=24), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=64385aa2-bc0a-e8a9-83ce-d8980cfb4478, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}], GenericMessage [payload=User(id=95, name=曾思源, age=15), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_deliveryTag=3, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, id=fa9029be-6c7a-42bb-28b1-59acbe2ed153, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]], headers={id=76a7b234-64e6-62bd-db64-58483e325a78, timestamp=1658801961136}]]  
2022-07-26 10:19:21.137 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 开始批量消费=================size:15  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:1, isLast:true, 接收消息:GenericMessage [payload=User(id=59314, name=杨炫明, age=5), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=1784e53c-a574-e5d4-4c96-61f92f059438, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}]  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:1, isLast:true, 接收消息:GenericMessage [payload=User(id=41089692, name=尹瑞霖, age=25), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=79d9542f-dfff-96ff-cab7-fbd75f048454, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}]  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:1, isLast:true, 接收消息:GenericMessage [payload=User(id=71700, name=贺睿渊, age=5), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=6b57a64f-be89-d06d-3c09-4953f4461f10, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}]  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:1, isLast:true, 接收消息:GenericMessage [payload=User(id=8711, name=田思源, age=7), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=fa15320b-885a-3954-3dd1-d731ef2ea1f5, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}]  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:1, isLast:true, 接收消息:GenericMessage [payload=User(id=2799, name=严文轩, age=11), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=e3e72a44-27f1-4762-3ef2-b74699efe4d3, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}]  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:1, isLast:true, 接收消息:GenericMessage [payload=User(id=302135, name=金风华, age=24), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=197def8e-a9b3-cc90-0211-1bb3fcf12c10, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}]  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:1, isLast:true, 接收消息:GenericMessage [payload=User(id=2767922, name=熊子轩, age=15), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=42, amqp_deliveryTag=1, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=42556dfa-c12f-f2e7-200b-63e46849c20e, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961135}]  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=98, name=蔡浩轩, age=23), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=3b82ffe5-44eb-d4ff-85bd-18f0f0375e0f, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]  
2022-07-26 10:19:21.142 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=36307775, name=孟伟宸, age=19), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=903a738a-aec4-1481-ef1a-85e4ebc28fc6, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]  
2022-07-26 10:19:21.143 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=4048, name=田鹏, age=25), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=043c1c27-9be3-0175-7392-e60173578f31, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]  
2022-07-26 10:19:21.143 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=8943657, name=黎立轩, age=16), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=0ffe2237-4e39-47c7-f7c5-7c95e97e329e, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]  
2022-07-26 10:19:21.143 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=91, name=吕明, age=8), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=5bb476ae-2d91-34f5-b890-e45c6fa3f1a4, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]  
2022-07-26 10:19:21.143 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=667, name=沈文昊, age=24), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=47210d01-4231-0a89-c65d-7eed6ce431df, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]  
2022-07-26 10:19:21.143 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:2, isLast:true, 接收消息:GenericMessage [payload=User(id=285006, name=汪峻熙, age=24), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_contentLength=41, amqp_deliveryTag=2, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, amqp_batchSize=7, id=64385aa2-bc0a-e8a9-83ce-d8980cfb4478, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=true, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]  
2022-07-26 10:19:21.143 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 消费者 p2 messaging deliveryTag:3, isLast:false, 接收消息:GenericMessage [payload=User(id=95, name=曾思源, age=15), headers={amqp_receivedDeliveryMode=PERSISTENT, amqp_receivedExchange=demo.fenhy.reliable.annotation.exchange, amqp_deliveryTag=3, amqp_consumerQueue=demo.fenhy.reliable.annotation.queue, amqp_redelivered=true, amqp_receivedRoutingKey=demo.fenhy.reliable.annotation.routing-key, amqp_contentEncoding=UTF-8, id=fa9029be-6c7a-42bb-28b1-59acbe2ed153, amqp_consumerTag=amq.ctag-pGPo19uw9fHlukytzBPM_g, amqp_lastInBatch=false, contentType=application/json, __TypeId__=org.fenhy.demo.entity.User, timestamp=1658801961136}]  
2022-07-26 10:19:21.143 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] INFO  org.fenhy.demo.listener.ManualConsumer - 结束批量消费========================  
2022-07-26 10:19:21.165 [AMQP Connection 127.0.0.1:5672] ERROR o.s.a.rabbit.connection.CachingConnectionFactory - Shutdown Signal: channel error; protocol method: #method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - unknown delivery tag 1, class-id=60, method-id=80)  
2022-07-26 10:19:21.167 [pool-3-thread-6] DEBUG o.s.amqp.rabbit.listener.BlockingQueueConsumer - Received shutdown signal for consumer tag=amq.ctag-pGPo19uw9fHlukytzBPM_g  
com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - unknown delivery tag 1, class-id=60, method-id=80)
	at com.rabbitmq.client.impl.ChannelN.asyncShutdown(ChannelN.java:517)
	at com.rabbitmq.client.impl.ChannelN.processAsync(ChannelN.java:341)
	at com.rabbitmq.client.impl.AMQChannel.handleCompleteInboundCommand(AMQChannel.java:182)
	at com.rabbitmq.client.impl.AMQChannel.handleFrame(AMQChannel.java:114)
	at com.rabbitmq.client.impl.AMQConnection.readFrame(AMQConnection.java:739)
	at com.rabbitmq.client.impl.AMQConnection.access$300(AMQConnection.java:47)
	at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:666)
	at java.lang.Thread.run(Thread.java:750)
2022-07-26 10:19:26.151 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] DEBUG o.s.a.r.listener.SimpleMessageListenerContainer - Consumer raised exception, processing can restart if the connection factory supports it  
com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=406, reply-text=PRECONDITION_FAILED - unknown delivery tag 1, class-id=60, method-id=80)
	at com.rabbitmq.client.impl.ChannelN.asyncShutdown(ChannelN.java:517)
	at com.rabbitmq.client.impl.ChannelN.processAsync(ChannelN.java:341)
	at com.rabbitmq.client.impl.AMQChannel.handleCompleteInboundCommand(AMQChannel.java:182)
	at com.rabbitmq.client.impl.AMQChannel.handleFrame(AMQChannel.java:114)
	at com.rabbitmq.client.impl.AMQConnection.readFrame(AMQConnection.java:739)
	at com.rabbitmq.client.impl.AMQConnection.access$300(AMQConnection.java:47)
	at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:666)
	at java.lang.Thread.run(Thread.java:750)

@garyrussell
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Ok; thanks - both problems are fixed in 2.4.7-SNAPSHOT if you want to try it out.

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backport:2.4.x (obsolete) type: bug
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GH-1474: Fix MessageProperties.lastInBatch garyrussell/spring-amqp
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@garyrussell @Fenhy