ES报错：Elasticsearch health check &URI [/_cluster/health/], status line [HTTP/1.1 404 ]

原创已于 2025-03-17 18:05:58 修改

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#elasticsearch #http #大数据

于 2025-03-17 18:05:51 首次发布

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一：ES报错原文

在这里插入图片描述

17:35:17.751 [RMI TCP Connection(2)-2.0.1.15] WARN  o.s.b.a.e.ElasticsearchRestClientHealthIndicator - [logExceptionIfPresent,94] - Elasticsearch health check failed
org.elasticsearch.client.ResponseException: method [GET], host [http://localhost:9200], URI [/_cluster/health/], status line [HTTP/1.1 404 ]
{"timestamp":"2025-03-17T09:35:17.719+00:00","status":404,"error":"Not Found","path":"/_cluster/health/"}
	at org.elasticsearch.client.RestClient.convertResponse(RestClient.java:351)
	at org.elasticsearch.client.RestClient.performRequest(RestClient.java:317)
	at org.elasticsearch.client.RestClient.performRequest(RestClient.java:292)
	at org.springframework.boot.actuate.elasticsearch.ElasticsearchRestClientHealthIndicator.doHealthCheck(ElasticsearchRestClientHealthIndicator.java:60)
	at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:82)
	at org.springframework.boot.actuate.health.HealthIndicator.getHealth(HealthIndicator.java:37)
	at org.springframework.boot.actuate.health.HealthEndpoint.getHealth(HealthEndpoint.java:94)
	at org.springframework.boot.actuate.health.HealthEndpoint.getHealth(HealthEndpoint.java:41)
	at org.springframework.boot.actuate.health.HealthEndpointSupport.getLoggedHealth(HealthEndpointSupport.java:172)
	at org.springframework.boot.actuate.health.HealthEndpointSupport.getContribution(HealthEndpointSupport.java:145)
	at org.springframework.boot.actuate.health.HealthEndpointSupport.getAggregateContribution(HealthEndpointSupport.java:156)
	at org.springframework.boot.actuate.health.HealthEndpointSupport.getContribution(HealthEndpointSupport.java:141)
	at org.springframework.boot.actuate.health.HealthEndpointSupport.getHealth(HealthEndpointSupport.java:110)
	at org.springframework.boot.actuate.health.HealthEndpointSupport.getHealth(HealthEndpointSupport.java:81)
	at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:88)
	at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:78)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:282)
	at org.springframework.boot.actuate.endpoint.invoke.reflect.ReflectiveOperationInvoker.invoke(ReflectiveOperationInvoker.java:74)
	at org.springframework.boot.actuate.endpoint.annotation.AbstractDiscoveredOperation.invoke(AbstractDiscoveredOperation.java:60)
	at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:124)
	at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:97)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)
	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
	at sun.reflect.GeneratedMethodAccessor35.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:361)
	at sun.rmi.transport.Transport$1.run(Transport.java:200)
	at sun.rmi.transport.Transport$1.run(Transport.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

二、分析原因

我这是使用的是springcloud框架，链接了es8 的API。可以正常启动，但是看着报错就很难受。
分析一下这个错误。

这个错误信息表明在执行Elasticsearch健康检查时出现了问题。具体来说，Spring Boot应用尝试通过HTTP GET请求访问Elasticsearch的/_cluster/health/端点来检查集群健康状态，但返回了HTTP 404错误，即“Not Found”。这意味着请求的URI路径没有在Elasticsearch服务器上找到。

1：检查了es 发现没有问题
2：java程序可以查询es，表明ip和端口都没问题。
3：发现程序在执行Elasticsearch health check时，访问的是http://localhost:9200。但是我nacos中配置的明明是其他ip

三、解决方案

1：关闭 actuator 对 elasticsearch 的健康检查（不推荐）

management:
  health:
    elasticsearch:
      enabled: false

2：配置根据spring.elasticsearch.rest.uris指明检查地址(推荐)

spring: 
  elasticsearch:
    rest:
      uris: ["192.168.1.4:9200"]#这是是es地址，
      username: elastic # 账号密码，如果es没开启安全认证，那就不需要
      password: 12345678