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apache-camel - Camel 不断发送消息

In lại 作者:行者123 更新时间:2023-12-02 01:46:38 29 4
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我正在使用 Camel 进行集成。我有一个用例,其中 Camel 应该将 1 条消息从一个队列传输到另一个队列,但它不断向队列发送相同的消息。请查看我的以下路线:

ProducerTemplate正在按以下方式创建消息:

ProducerTemplate template = context.createProducerTemplate();
template.sendBody("direct://input", "This is a test message: ");

我有一条路由将消息从直接组件传输到 rabbitmq 队列。

public void configure() throws Exception {
from("direct://input")
.to("rabbitmq://localhost:5672/test_ip?queue=task_queue&routingKey=test_task" +
"&autoAck=true&durable=true&username=guest&password=guest&autoDelete=false&exchangePattern=InOut")

}

然后我有一个路由将消息从 task_queue 传输到 out_queue

 public void configure() throws Exception {
from("rabbitmq://localhost:5672/test_ip?queue=task_queue&username=guest&routingKey=test_task&password=guest" +
"&autoAck=true&durable=true&exchangeType=direct&autoDelete=false&exchangePattern=InOut")
.process(new Processor() {
@Ghi đè
public void process(Exchange exchange) throws Exception {
exchange.setOut(exchange.getIn());
Message m = exchange.getOut();
org.apache.camel.TypeConverter tc = exchange.getContext().getTypeConverter();
String strValue = tc.convertTo(String.class, m.getBody());
System.out.println("[[task_queue -- out_queue]]: " + strValue);
}
})
.to("rabbitmq://localhost:5672/test_op?queue=out_queue&routingKey=test_out&username=guest&password=guest" +
"&autoAck=true&durable=true&exchangeType=direct&autoDelete=false&exchangePattern=InOut");
}

我的程序中只有这两条路线,没有别的。现在,当我运行它时,我得到以下输出:

[[task_queue -- out_queue]]: This is a test message: 
[[task_queue -- out_queue]]: This is a test message:
[[task_queue -- out_queue]]: This is a test message:
[[task_queue -- out_queue]]: This is a test message:
[[task_queue -- out_queue]]: This is a test message:
.
.
(continuous stream till I kill program)

我上面显示的输出不是预期的输出。它不应该多次打印 out 消息,而应该只打印一次。这意味着 1 条消息被一次又一次地处理(并传输到 out_queue).

谁能给出原因?感谢您的帮助。

1 Câu trả lời

关于apache-camel - Camel 不断发送消息,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/25260126/

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行者123
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