unknown exchange type 'x-delayed-message', class-id=40, method-id=10、
时间: 2024-03-28 11:36:49 浏览: 18
这个错误信息表示 RabbitMQ 不支持 "x-delayed-message" 这种交换机类型。通常我们使用的交换机类型有 "direct"、"fanout"、"topic" 和 "headers"。如果你需要延迟消息发送,可以使用 RabbitMQ 的插件 "rabbitmq_delayed_message_exchange" 来实现。这个插件可以创建一种新的交换机类型 "x-delayed-message",用于支持延迟消息发送。你可以尝试安装并启用这个插件来解决这个问题。
相关问题
spring Boot 给 x-delayed-message 类型的RabbitMq 发 延时消息
是的,Spring Boot 可以给 `x-delayed-message` 类型的 RabbitMQ 发送延时消息。具体实现方式如下:
1. 在 `pom.xml` 文件中添加以下依赖:
```xml
<dependency>
<groupId>org.springframework.amqp</groupId>
<artifactId>spring-rabbit</artifactId>
<version>2.2.13.RELEASE</version>
</dependency>
```
2. 在 RabbitMQ 中创建一个 `x-delayed-message` 类型的 Exchange,如下所示:
```bash
$ rabbitmqctl add_exchange delayed_exchange --type=x-delayed-message --arguments='{"x-delayed-type":"direct"}'
```
3. 在 Spring Boot 的配置文件中添加以下配置:
```yaml
spring:
rabbitmq:
addresses: <RabbitMQ地址>
username: <RabbitMQ用户名>
password: <RabbitMQ密码>
publisher-confirm-type: correlated
publisher-returns: true
virtual-host: /
template:
exchange: delayed_exchange
routing-key: <路由键>
```
4. 在 Spring Boot 应用中使用 `AmqpTemplate` 发送延时消息,如下所示:
```java
@Autowired
private AmqpTemplate amqpTemplate;
public void sendDelayedMessage(String message, long delayTime) {
MessagePostProcessor messagePostProcessor = message1 -> {
message1.getMessageProperties().setHeader("x-delay", delayTime);
return message1;
};
amqpTemplate.convertAndSend(messagePostProcessor);
}
```
其中,`delayTime` 参数表示延时时间,单位为毫秒。
使用上述方法,就可以给 `x-delayed-message` 类型的 RabbitMQ 发送延时消息了。
Invalid argument, 'x-delayed-type' must be an existing exchange type
As an AI language model, I do not have the necessary context to fully understand the problem you are facing. However, based on the error message you provided, it seems that you are trying to use a non-existing exchange type for the 'x-delayed-type' argument.
In RabbitMQ, exchange types determine the way messages are routed to queues. The 'x-delayed-type' argument is used to specify the exchange type to be used when delaying messages. It is possible that the exchange type you specified does not exist in your RabbitMQ instance or has not been enabled.
To resolve this issue, you may need to check your RabbitMQ documentation to ensure that the exchange type you are using is supported and has been enabled. Alternatively, you can try using a different exchange type or consult with a RabbitMQ expert for further assistance.
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