我有两个关于Spring AWS-SQS sdk的问题,(或者我做错了。
首先是我之前使用过CLI,并且设法获得了已发送消息示例的消息ID:
aws sqs send-message --queue-url https://sqs.us-west-2.amazonaws.com/testqueue --message-body hooray
'{
"MD5OfMessageBody": "d3101ad",
"MessageId": "jdhj-933"
}
现在我尝试使用spring-cloud-starter-aws-messaging
,并设置了这样的队列消息传递模板
private final QueueMessagingTemplate queueMessagingTemplate;
public SqsQueueService(@Qualifier("amazonSQSAsync") final AmazonSQSAsync amazonSQS) {
this.queueMessagingTemplate = new QueueMessagingTemplate(amazonSQS);
}
public void sendMessage(String queueName, String queueMessage) {
Map<String, Object> headers = new HashMap<>();
queueMessagingTemplate.convertAndSend(queueName, queueMessage, headers);
}
我似乎可以使用queueMessagingTemplate.convertAndSend(queueName, queueMessage, headers);
获取已发送邮件的邮件ID
我需要messageId来满足一些业务逻辑。
第二个问题是我的侦听器可以接收消息,但是messageID也为null;
@Async
@SqsListener(value = "${notification.sqs-queue-url}", deletionPolicy = SqsMessageDeletionPolicy.NEVER)
public void listen(Acknowledgment acknowledgment, String message, String messageId) {
//messageId is equal to message here. which is wrong for me
}
消息始终等于messageId,这很令人困惑,关于我可能会出错的任何建议?
我将列表方法的签名更改为
@Async
@SqsListener(value = "${queue-url}", deletionPolicy = SqsMessageDeletionPolicy.NEVER)
public void listen(Acknowledgment acknowledgment, String message, @Headers MessageHeaders headers) throws ExecutionException, InterruptedException {
String messageId = (String) headers.get("MessageId");
acknowledgment.acknowledge().get();
}
然后从标题映射中提取messageId