[英]How can I disable spring cloud stream for development purpose when there are not kafka broker running?
[英]Spring Cloud Stream - Can't get configured kafka's broker address
我正在嘗試使用Spring Cloud Stream手動注冊kafka偵聽器,但是在嘗試連接到代理時遇到一些問題:
[Consumer clientId=consumer-1, groupId=h2r] Initialize connection to node localhost:9092 (id: -1 rack: null) for sending metadata request
[Consumer clientId=consumer-1, groupId=h2r] Initiating connection to node localhost:9092 (id: -1 rack: null)
[Consumer clientId=consumer-1, groupId=h2r] Node -1 disconnected.
[Consumer clientId=consumer-1, groupId=h2r] Connection to node -1 could not be established. Broker may not be available.
[Consumer clientId=consumer-1, groupId=h2r] Give up sending metadata request since no node is available
它正在嘗試在localhost:9092中進行連接,但是我的服務器在另一台計算機(192.168.1.200:9092)中,在此配置中我在做什么錯:
@Service
public class TenantMessageConsumer {
private final String defaultEnterpriseSchema;
private final MailService mailService;
private final KafkaListenerContainerFactory containerFactory;
private final KafkaListenerEndpointRegistry registry;
public TenantMessageConsumer(String defaultEnterpriseSchema, MailService mailService, KafkaListenerContainerFactory containerFactory, KafkaListenerEndpointRegistry registry) {
this.defaultEnterpriseSchema = defaultEnterpriseSchema;
this.mailService = mailService;
this.containerFactory = containerFactory;
this.registry = registry;
listen();
}
public void listen() {
TenantMessageConsumer that=this;
AbstractKafkaListenerEndpoint endpoint=new AbstractKafkaListenerEndpoint<String, Object>() {
@Override
protected MessagingMessageListenerAdapter createMessageListener(MessageListenerContainer container, MessageConverter messageConverter) {
try {
return new RecordMessagingMessageListenerAdapter(that,TenantMessageConsumer.class.getMethod("process",Object.class));
} catch (NoSuchMethodException e) {
return null;
}
}
};
endpoint.setId("tenant");
endpoint.setTopics(defaultEnterpriseSchema);
endpoint.setGroupId("h2r");
registry.registerListenerContainer(endpoint,containerFactory);
}
public void process(Object message){
if (message instanceof SimpleEmailMessage) {
SimpleEmailMessage emailMessage = (SimpleEmailMessage) message;
if (emailMessage.getContent().equals("reset-password"))
mailService.sendPasswordResetMail(emailMessage);
}
}
}
應該獲得以下配置:
spring:
cloud:
stream:
kafka:
binder:
brokers: 192.168.1.200
因此,我需要一種獲取配置的代理地址並將其設置在端點對象中的方法。
重要
由於主題名稱是動態的,因此不能使用@StreamListener之類的注釋。
您沒有描述問題,也沒有提供任何相關信息,例如堆棧跟蹤,日志等。 (請以后再做),但我會盡力的。
您絕對可以在Spring Cloud Stream對動態目標的支持下使用@StreamListener
和其他注釋。
請仔細閱讀以上部分,如果您仍然需要幫助,請告訴我們。
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