consul注册报错 connectex: No connection could be made because the target machine actively refused it.
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Get http://localhost:2000/actuator/health: dial tcp [::1]:2000: connectex: No connection could be made because the target machine actively refused it. -
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项目springboot 注册向consul时,健康检查失败,可以看到上面的连接地址是 localhost:2000/actuator/health ,consul与微服务在不同主机上,就会出现以上错误.
原因是配置properties有问题,
配置如下
spring.application.name=XXX
server.port=9114
spring.cloud.consul.host=192.168.0.17
spring.cloud.consul.port=8500
spring.cloud.consul.discovery.serviceName=service-XXX解决方式:
1.配置hostname
spring.cloud.consul.discovery.hostname=192.168.0.2402.配置健康检查地址
spring.cloud.consul.discovery.healthCheckUrl=http://192.168.0.240:9113/actuator/health以下是向consul注册服务的spring源码,顺序是从下自上
下面也附上具体的类的名称方便找到方法进行查看
7.发送put 请求
//类名
com.ecwid.consul.transport.AbstractHttpTransport;
//方法
public RawResponse makePutRequest(String url, String content) {
/*content = {"ID":"oms-xt-plan-9114","Name":"service-oms-xt-plan","Tags":["secure\u003dfalse"],"Address":"localhost","Port":9114,"Check":{"Interval":"10s","HTTP":"http://192.168.0.240:9114/actuator/health"}} */
HttpPut httpPut = new HttpPut(url);
//PUT http://192.168.0.17:8500/v1/agent/service/register?token= HTTP/1.1
httpPut.setEntity(new StringEntity(content, UTF_8));
return this.executeRequest(httpPut);
}//类名
com.ecwid.consul.v1.ConsulRawClient;
//方法
public RawResponse makePutRequest(String endpoint, String content, UrlParameters... urlParams) {
String url = this.prepareUrl(this.agentAddress + endpoint);
// http://192.168.0.17:8500/v1/agent/service/register
url = Utils.generateUrl(url, urlParams); //http://192.168.0.17:8500/v1/agent/service/register?token=
return this.httpTransport.makePutRequest(url, content);
}6.发送请求,到consul注册
//类名
com.ecwid.consul.v1.agent.AgentConsulClient;
//方法
public Response<Void> agentServiceRegister(NewService newService, String token) {
UrlParameters tokenParam = token != null ? new SingleUrlParameters("token", token) : null;
String json = GsonFactory.getGson().toJson(newService);
/*{"ID":"oms-xt-plan-9114","Name":"service-oms-xt-plan","Tags":["secure\u003dfalse"],"Address":"localhost","Port":9114,"Check":{"Interval":"10s","HTTP":"http://192.168.0.240:9114/actuator/health"}}*/
RawResponse rawResponse = this.rawClient.makePutRequest("/v1/agent/service/register", json, new UrlParameters[]{tokenParam});
if (rawResponse.getStatusCode() == 200) {
return new Response((Object)null, rawResponse);
} else {
throw new OperationException(rawResponse);
}
}
5.请求注册
//类名
org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration
//方法
public void start() {
if (!this.isEnabled()) {
if (logger.isDebugEnabled()) {
logger.debug("Discovery Lifecycle disabled. Not starting");
}
} else {
if (!this.running.get()) {
this.register(); //注册
if (this.shouldRegisterManagement()) {
this.registerManagement();
}
this.context.publishEvent(new InstanceRegisteredEvent(this, this.getConfiguration()));
this.running.compareAndSet(false, true);
}
}
}
package com.ecwid.consul.v1.agent.model
public class NewService {
@SerializedName("ID")
private String id; //XXX-9114
@SerializedName("Name")
private String name; //service-XXX
@SerializedName("Tags")
private List<String> tags;
@SerializedName("Address")
private String address; //properties.getHostname()
@SerializedName("Port")
private Integer port;
@SerializedName("EnableTagOverride")
private Boolean enableTagOverride;
@SerializedName("Check")
private NewService.Check check;
@SerializedName("Checks")
private List<NewService.Check> checks;
....省略GetSet
}4.写入参数
//类名
org.springframework.cloud.consul.serviceregistry.ConsulAutoRegistration
//方法
public static ConsulAutoRegistration registration(AutoServiceRegistrationProperties autoServiceRegistrationProperties, ConsulDiscoveryProperties properties, ApplicationContext context, List<ConsulRegistrationCustomizer> registrationCustomizers, HeartbeatProperties heartbeatProperties) {
NewService service = new NewService();
String appName = getAppName(properties, context.getEnvironment());
service.setId(getInstanceId(properties, context));
if (!properties.isPreferAgentAddress()) {
service.setAddress(properties.getHostname());
}
service.setName(normalizeForDns(appName));
service.setTags(createTags(properties));
if (properties.getPort() != null) {
service.setPort(properties.getPort());
setCheck(service, autoServiceRegistrationProperties, properties, context, heartbeatProperties);
}
ConsulAutoRegistration registration = new ConsulAutoRegistration(service, autoServiceRegistrationProperties, properties, context, heartbeatProperties);
customize(registrationCustomizers, registration);
return registration;
}
3.开始注册 传入参数
//类名
org.springframework.cloud.consul.serviceregistry.ConsulAutoServiceRegistrationAutoConfiguration
//方法
@Bean
@ConditionalOnMissingBean
public ConsulAutoRegistration consulRegistration(AutoServiceRegistrationProperties autoServiceRegistrationProperties, ConsulDiscoveryProperties properties, ApplicationContext applicationContext, ObjectProvider<List<ConsulRegistrationCustomizer>> registrationCustomizers, HeartbeatProperties heartbeatProperties) {
return ConsulAutoRegistration.registration(autoServiceRegistrationProperties, properties, applicationContext, (List)registrationCustomizers.getIfAvailable(), heartbeatProperties);
}
2.通过properies写入 hostname
//类名
org.springframework.cloud.consul.discovery.ConsulDiscoveryProperties
//方法
public void setHostname(String hostname) {
this.hostname = hostname;
this.hostInfo.override = true;
}1.注册所有class
//类名
org.springframework.context.annotation.ConfigurationClassEnhancer
//方法
static {
CALLBACKS = new Callback[]{new ConfigurationClassEnhancer.BeanMethodInterceptor(), new ConfigurationClassEnhancer.BeanFactoryAwareMethodInterceptor(), NoOp.INSTANCE};
CALLBACK_FILTER = new ConfigurationClassEnhancer.ConditionalCallbackFilter(CALLBACKS); //遍历
logger = LogFactory.getLog(ConfigurationClassEnhancer.class);
objenesis = new SpringObjenesis();
}