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node: https://localhost:9200/, status: 401, [es/indices.exists] Expecting a response body, but none was sent #692

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node: https://localhost:9200/, status: 401, [es/indices.exists] Expecting a response body, but none was sent#692
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status: waiting-for-triageAn issue we've not yet triaged
@120011676

Description

@120011676
120011676
opened on Mar 5, 2025

Elasticsearch Version

8.17.2

Installed Plugins

No response

Java Version

17

OS Version

windows、linux

Problem Description

Caused by: co.elastic.clients.transport.TransportException: node: https://localhost:9200/, status: 401, [es/indices.exists] Expecting a response body, but none was sent

Steps to Reproduce

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>3.4.3</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.example</groupId>
	<artifactId>demo</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>demo</name>
	<description>Demo project for Spring Boot</description>
	<url/>
	<licenses>
		<license/>
	</licenses>
	<developers>
		<developer/>
	</developers>
	<scm>
		<connection/>
		<developerConnection/>
		<tag/>
		<url/>
	</scm>
	<properties>
		<java.version>17</java.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-elasticsearch</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-configuration-processor</artifactId>
			<optional>true</optional>
		</dependency>
		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
			<optional>true</optional>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<configuration>
					<annotationProcessorPaths>
						<path>
							<groupId>org.projectlombok</groupId>
							<artifactId>lombok</artifactId>
						</path>
						<path>
							<groupId>org.springframework.boot</groupId>
							<artifactId>spring-boot-configuration-processor</artifactId>
						</path>
					</annotationProcessorPaths>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
				<configuration>
					<excludes>
						<exclude>
							<groupId>org.projectlombok</groupId>
							<artifactId>lombok</artifactId>
						</exclude>
					</excludes>
				</configuration>
			</plugin>
		</plugins>
	</build>

</project>

spring:
  application:
    name: demo
  elasticsearch:
    uris: https://localhost:9200
    username: elastic
    password: abc123
package com.example.demo.elasticsearch;

import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpHost;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.nio.conn.SchemeIOSessionStrategy;
import org.apache.http.nio.reactor.IOSession;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.ssl.SSLContexts;
import org.elasticsearch.client.RestClientBuilder;
import org.springframework.boot.autoconfigure.elasticsearch.RestClientBuilderCustomizer;
import org.springframework.stereotype.Component;

import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.*;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;

@Slf4j
@Component
public class RestClientBuilderCustomizerImpl implements RestClientBuilderCustomizer {
    @Override
    public void customize(RestClientBuilder builder) {
        builder.setHttpClientConfigCallback(httpClientBuilder -> {
            try {
                return httpClientBuilder.setSSLContext(new SSLContextBuilder()
                                .loadTrustMaterial(null, (x509Certificates, s) -> true).build())
                        .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE);
            } catch (NoSuchAlgorithmException | KeyManagementException | KeyStoreException e) {
                throw new RuntimeException(e);
            }
        });
    }
}
package com.example.demo.entity;


import lombok.Data;
import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;
import org.springframework.data.elasticsearch.annotations.Field;
import org.springframework.data.elasticsearch.annotations.FieldType;

/**
 * 文档数据索引文档
 */
@Data
@Document(indexName = "test")
public class Test {
    @Id
    @Field(type = FieldType.Keyword)
    private String id;

    @Field(type = FieldType.Keyword)
    private String title;

    /**
     * 文档标题
     */
    @Field(type = FieldType.Text)
    private String context;
}
package com.example.demo.repository;

import com.example.demo.entity.Test;
import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface DocRepository extends ElasticsearchRepository<Test, String> {

}

Image

Image

Image

demo (2).zip

elasticsearch-kibana (2).zip

Why?

Logs (if relevant)

C:\Users\12001.jdks\openjdk-22.0.1\bin\java.exe -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:2843,suspend=y,server=n -javaagent:C:\Users\12001\AppData\Local\JetBrains\IdeaIC2024.3\captureAgent\debugger-agent.jar -Dkotlinx.coroutines.debug.enable.creation.stack.trace=false -Ddebugger.agent.enable.coroutines=true -Dkotlinx.coroutines.debug.enable.flows.stack.trace=true -Dkotlinx.coroutines.debug.enable.mutable.state.flows.stack.trace=true -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath "C:\Users\12001\Downloads\demo\demo\target\classes;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot-starter-data-elasticsearch\3.4.3\spring-boot-starter-data-elasticsearch-3.4.3.jar;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot-starter\3.4.3\spring-boot-starter-3.4.3.jar;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot\3.4.3\spring-boot-3.4.3.jar;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot-autoconfigure\3.4.3\spring-boot-autoconfigure-3.4.3.jar;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot-starter-logging\3.4.3\spring-boot-starter-logging-3.4.3.jar;C:\Users\12001.m2\repository\ch\qos\logback\logback-classic\1.5.16\logback-classic-1.5.16.jar;C:\Users\12001.m2\repository\ch\qos\logback\logback-core\1.5.16\logback-core-1.5.16.jar;C:\Users\12001.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.24.3\log4j-to-slf4j-2.24.3.jar;C:\Users\12001.m2\repository\org\apache\logging\log4j\log4j-api\2.24.3\log4j-api-2.24.3.jar;C:\Users\12001.m2\repository\org\slf4j\jul-to-slf4j\2.0.16\jul-to-slf4j-2.0.16.jar;C:\Users\12001.m2\repository\jakarta\annotation\jakarta.annotation-api\2.1.1\jakarta.annotation-api-2.1.1.jar;C:\Users\12001.m2\repository\org\yaml\snakeyaml\2.3\snakeyaml-2.3.jar;C:\Users\12001.m2\repository\org\springframework\data\spring-data-elasticsearch\5.4.3\spring-data-elasticsearch-5.4.3.jar;C:\Users\12001.m2\repository\org\springframework\spring-context\6.2.3\spring-context-6.2.3.jar;C:\Users\12001.m2\repository\org\springframework\spring-tx\6.2.3\spring-tx-6.2.3.jar;C:\Users\12001.m2\repository\org\springframework\data\spring-data-commons\3.4.3\spring-data-commons-3.4.3.jar;C:\Users\12001.m2\repository\co\elastic\clients\elasticsearch-java\8.15.5\elasticsearch-java-8.15.5.jar;C:\Users\12001.m2\repository\org\elasticsearch\client\elasticsearch-rest-client\8.15.5\elasticsearch-rest-client-8.15.5.jar;C:\Users\12001.m2\repository\org\apache\httpcomponents\httpclient\4.5.14\httpclient-4.5.14.jar;C:\Users\12001.m2\repository\org\apache\httpcomponents\httpcore\4.4.16\httpcore-4.4.16.jar;C:\Users\12001.m2\repository\org\apache\httpcomponents\httpasyncclient\4.1.5\httpasyncclient-4.1.5.jar;C:\Users\12001.m2\repository\org\apache\httpcomponents\httpcore-nio\4.4.16\httpcore-nio-4.4.16.jar;C:\Users\12001.m2\repository\commons-codec\commons-codec\1.17.2\commons-codec-1.17.2.jar;C:\Users\12001.m2\repository\com\google\code\findbugs\jsr305\3.0.2\jsr305-3.0.2.jar;C:\Users\12001.m2\repository\jakarta\json\jakarta.json-api\2.1.3\jakarta.json-api-2.1.3.jar;C:\Users\12001.m2\repository\org\eclipse\parsson\parsson\1.0.5\parsson-1.0.5.jar;C:\Users\12001.m2\repository\io\opentelemetry\opentelemetry-api\1.43.0\opentelemetry-api-1.43.0.jar;C:\Users\12001.m2\repository\io\opentelemetry\opentelemetry-context\1.43.0\opentelemetry-context-1.43.0.jar;C:\Users\12001.m2\repository\com\fasterxml\jackson\core\jackson-core\2.18.2\jackson-core-2.18.2.jar;C:\Users\12001.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.18.2\jackson-databind-2.18.2.jar;C:\Users\12001.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.18.2\jackson-annotations-2.18.2.jar;C:\Users\12001.m2\repository\org\slf4j\slf4j-api\2.0.16\slf4j-api-2.0.16.jar;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot-starter-json\3.4.3\spring-boot-starter-json-3.4.3.jar;C:\Users\12001.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.18.2\jackson-datatype-jdk8-2.18.2.jar;C:\Users\12001.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.18.2\jackson-datatype-jsr310-2.18.2.jar;C:\Users\12001.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.18.2\jackson-module-parameter-names-2.18.2.jar;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot-starter-web\3.4.3\spring-boot-starter-web-3.4.3.jar;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\3.4.3\spring-boot-starter-tomcat-3.4.3.jar;C:\Users\12001.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\10.1.36\tomcat-embed-core-10.1.36.jar;C:\Users\12001.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\10.1.36\tomcat-embed-el-10.1.36.jar;C:\Users\12001.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\10.1.36\tomcat-embed-websocket-10.1.36.jar;C:\Users\12001.m2\repository\org\springframework\spring-web\6.2.3\spring-web-6.2.3.jar;C:\Users\12001.m2\repository\org\springframework\spring-beans\6.2.3\spring-beans-6.2.3.jar;C:\Users\12001.m2\repository\io\micrometer\micrometer-observation\1.14.4\micrometer-observation-1.14.4.jar;C:\Users\12001.m2\repository\io\micrometer\micrometer-commons\1.14.4\micrometer-commons-1.14.4.jar;C:\Users\12001.m2\repository\org\springframework\spring-webmvc\6.2.3\spring-webmvc-6.2.3.jar;C:\Users\12001.m2\repository\org\springframework\spring-aop\6.2.3\spring-aop-6.2.3.jar;C:\Users\12001.m2\repository\org\springframework\spring-expression\6.2.3\spring-expression-6.2.3.jar;C:\Users\12001.m2\repository\org\springframework\boot\spring-boot-configuration-processor\3.4.3\spring-boot-configuration-processor-3.4.3.jar;C:\Users\12001.m2\repository\org\projectlombok\lombok\1.18.36\lombok-1.18.36.jar;C:\Users\12001.m2\repository\org\springframework\spring-core\6.2.3\spring-core-6.2.3.jar;C:\Users\12001.m2\repository\org\springframework\spring-jcl\6.2.3\spring-jcl-6.2.3.jar;C:\Users\12001\AppData\Local\Programs\IntelliJ IDEA Community Edition\lib\idea_rt.jar" com.example.demo.DemoApplication
Connected to the target VM, address: '127.0.0.1:2843', transport: 'socket'

. ____ _ __ _ _
/\ / ' __ _ () __ __ _ \ \ \
( ( )__ | '_ | '| | ' / ` | \ \ \
\/ )| |)| | | | | || (| | ) ) ) )
' || .__|| ||| |_, | / / / /
=========||==============|/=////

:: Spring Boot :: (v3.4.3)

2025-03-05T03:42:31.814+08:00 INFO 31860 --- [demo] [ main] com.example.demo.DemoApplication : Starting DemoApplication using Java 22.0.1 with PID 31860 (C:\Users\12001\Downloads\demo\demo\target\classes started by 12001 in C:\Users\12001\Downloads\demo\demo)
2025-03-05T03:42:31.817+08:00 INFO 31860 --- [demo] [ main] com.example.demo.DemoApplication : No active profile set, falling back to 1 default profile: "default"
2025-03-05T03:42:32.438+08:00 INFO 31860 --- [demo] [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Elasticsearch repositories in DEFAULT mode.
2025-03-05T03:42:32.489+08:00 INFO 31860 --- [demo] [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 46 ms. Found 1 Elasticsearch repository interface.
2025-03-05T03:42:33.002+08:00 INFO 31860 --- [demo] [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port 8080 (http)
2025-03-05T03:42:33.014+08:00 INFO 31860 --- [demo] [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2025-03-05T03:42:33.015+08:00 INFO 31860 --- [demo] [ main] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.36]
2025-03-05T03:42:33.080+08:00 INFO 31860 --- [demo] [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2025-03-05T03:42:33.081+08:00 INFO 31860 --- [demo] [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1226 ms
2025-03-05T03:42:34.050+08:00 WARN 31860 --- [demo] [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'docRepository' defined in com.example.demo.repository.DocRepository defined in @EnableElasticsearchRepositories declared on ElasticsearchRepositoriesRegistrar.EnableElasticsearchRepositoriesConfiguration: Failed to instantiate [org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository]: Constructor threw exception
2025-03-05T03:42:34.057+08:00 INFO 31860 --- [demo] [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2025-03-05T03:42:34.065+08:00 INFO 31860 --- [demo] [ main] .s.b.a.l.ConditionEvaluationReportLogger :

Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled.
2025-03-05T03:42:34.083+08:00 ERROR 31860 --- [demo] [ main] o.s.boot.SpringApplication : Application run failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'docRepository' defined in com.example.demo.repository.DocRepository defined in @EnableElasticsearchRepositories declared on ElasticsearchRepositoriesRegistrar.EnableElasticsearchRepositoriesConfiguration: Failed to instantiate [org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository]: Constructor threw exception
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1812) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:601) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:523) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:339) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:346) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:337) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.instantiateSingleton(DefaultListableBeanFactory.java:1149) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingleton(DefaultListableBeanFactory.java:1121) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:1056) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:987) ~[spring-context-6.2.3.jar:6.2.3]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:627) ~[spring-context-6.2.3.jar:6.2.3]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:439) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:318) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1361) ~[spring-boot-3.4.3.jar:3.4.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1350) ~[spring-boot-3.4.3.jar:3.4.3]
at com.example.demo.DemoApplication.main(DemoApplication.java:10) ~[classes/:na]
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository]: Constructor threw exception
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:222) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.data.repository.core.support.RepositoryFactorySupport.lambda$instantiateClass$5(RepositoryFactorySupport.java:678) ~[spring-data-commons-3.4.3.jar:3.4.3]
at java.base/java.util.Optional.map(Optional.java:260) ~[na:na]
at org.springframework.data.repository.core.support.RepositoryFactorySupport.instantiateClass(RepositoryFactorySupport.java:678) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.RepositoryFactorySupport.getTargetRepositoryViaReflection(RepositoryFactorySupport.java:643) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.elasticsearch.repository.support.ElasticsearchRepositoryFactory.getTargetRepository(ElasticsearchRepositoryFactory.java:80) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:386) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$4(RepositoryFactoryBeanSupport.java:350) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.util.Lazy.getNullable(Lazy.java:135) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.util.Lazy.get(Lazy.java:113) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:356) ~[spring-data-commons-3.4.3.jar:3.4.3]
at org.springframework.data.elasticsearch.repository.support.ElasticsearchRepositoryFactoryBean.afterPropertiesSet(ElasticsearchRepositoryFactoryBean.java:69) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1859) ~[spring-beans-6.2.3.jar:6.2.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1808) ~[spring-beans-6.2.3.jar:6.2.3]
... 18 common frames omitted
Caused by: org.springframework.dao.DataAccessResourceFailureException: node: https://localhost:9200/, status: 401, [es/indices.exists] Expecting a response body, but none was sent
at org.springframework.data.elasticsearch.client.elc.ElasticsearchExceptionTranslator.translateExceptionIfPossible(ElasticsearchExceptionTranslator.java:111) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.data.elasticsearch.client.elc.ElasticsearchExceptionTranslator.translateException(ElasticsearchExceptionTranslator.java:65) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.data.elasticsearch.client.elc.ChildTemplate.execute(ChildTemplate.java:73) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.data.elasticsearch.client.elc.IndicesTemplate.doExists(IndicesTemplate.java:179) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.data.elasticsearch.client.elc.IndicesTemplate.exists(IndicesTemplate.java:171) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository.createIndexAndMappingIfNeeded(SimpleElasticsearchRepository.java:93) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository.(SimpleElasticsearchRepository.java:87) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) ~[na:na]
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) ~[na:na]
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486) ~[na:na]
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:209) ~[spring-beans-6.2.3.jar:6.2.3]
... 31 common frames omitted
Caused by: java.lang.RuntimeException: node: https://localhost:9200/, status: 401, [es/indices.exists] Expecting a response body, but none was sent
at org.springframework.data.elasticsearch.client.elc.ElasticsearchExceptionTranslator.translateException(ElasticsearchExceptionTranslator.java:64) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
... 40 common frames omitted
Caused by: co.elastic.clients.transport.TransportException: node: https://localhost:9200/, status: 401, [es/indices.exists] Expecting a response body, but none was sent
at co.elastic.clients.transport.ElasticsearchTransportBase.getApiResponse(ElasticsearchTransportBase.java:330) ~[elasticsearch-java-8.15.5.jar:na]
at co.elastic.clients.transport.ElasticsearchTransportBase.performRequest(ElasticsearchTransportBase.java:147) ~[elasticsearch-java-8.15.5.jar:na]
at co.elastic.clients.elasticsearch.indices.ElasticsearchIndicesClient.exists(ElasticsearchIndicesClient.java:682) ~[elasticsearch-java-8.15.5.jar:na]
at org.springframework.data.elasticsearch.client.elc.IndicesTemplate.lambda$doExists$2(IndicesTemplate.java:179) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
at org.springframework.data.elasticsearch.client.elc.ChildTemplate.execute(ChildTemplate.java:71) ~[spring-data-elasticsearch-5.4.3.jar:5.4.3]
... 39 common frames omitted

Disconnected from the target VM, address: '127.0.0.1:2843', transport: 'socket'

Process finished with exit code 1

spring-boot-starter-data-elasticsearch bug.

username、password invalid

Right:

package com.example.demo.elasticsearch;

import lombok.extern.slf4j.Slf4j;
import org.apache.http.Header;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.message.BasicHeader;
import org.apache.http.ssl.SSLContextBuilder;
import org.elasticsearch.client.RestClientBuilder;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.elasticsearch.RestClientBuilderCustomizer;
import org.springframework.stereotype.Component;

import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.text.MessageFormat;
import java.util.Base64;
import java.util.Collection;
import java.util.Collections;

@Slf4j
@Component
public class RestClientBuilderCustomizerImpl implements RestClientBuilderCustomizer {
    @Value("${spring.elasticsearch.username}")
    private String username;

    @Value("${spring.elasticsearch.password}")
    private String password;

    @Override
    public void customize(RestClientBuilder builder) {
        builder.setHttpClientConfigCallback(httpClientBuilder -> {
            try {
                Collection<Header> headerCollection = Collections.singletonList(new BasicHeader("authorization",
                        MessageFormat.format("Basic {0}",
                                Base64.getEncoder().encodeToString(MessageFormat.format("{0}:{1}",
                                        username, password).getBytes()))));
                httpClientBuilder.setDefaultHeaders(headerCollection);
                return httpClientBuilder.setSSLContext(new SSLContextBuilder()
                                .loadTrustMaterial(null, (x509Certificates, s) -> true).build())
                        .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE);
            } catch (NoSuchAlgorithmException | KeyManagementException | KeyStoreException e) {
                throw new RuntimeException(e);
            }
        });
    }
}

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