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在 JHipster 中启用 Elasticsearch 导致 UnsatisfiedDependencyException: Error creating bean with name 'userService'

[英]enabling Elasticsearch in JHipster results in UnsatisfiedDependencyException: Error creating bean with name ‘userService’

 原文  2022-02-12 17:00:55  8   1    java/ spring/ spring-boot/ elasticsearch/ jhipster

问题描述

I've been trying to build an app with JHipster that can use some advanced filtering, in particular ElasticSearch. Why does it fail when I run it out of the box, without even editing the project?我一直在尝试使用 JHipster 构建一个应用程序，它可以使用一些高级过滤，特别是 ElasticSearch。为什么当我开箱即用时它会失败，甚至没有编辑项目？

I am running the following software in Windows 10:我在Windows 10运行以下软件：

  • Java v15.0.2 Java v15.0.2
  • node v14.17.4节点 v14.17.4
  • NPM 6.14.14 NPM 6.14.14

Same happens in Ubuntu with:同样发生在 Ubuntu 中：

  • Java v17.0.1 Java v17.0.1
  • node v16.14.0节点 v16.14.0
  • NPM 8.5.0 NPM 8.5.0

The problem I have is very easy to reproduce:我遇到的问题很容易重现：

  1. Go to the online version https://start.jhipster.tech/generate-application Go转在线版https://start.jhipster.tech/generate-application
  2. Leave everything as it is, and mark the option "Search engine using Elasticsearch"保持原样，并标记选项“使用 Elasticsearch 的搜索引擎”
  3. Click on Download as ZIP file单击下载为 ZIP 文件
  4. Unpack and run with./mvnw解压并运行./mvnw

---> the build is compiled but it fails to launch because it can't instantiate the bean 'userService' ---> 构建已编译但无法启动，因为它无法实例化 bean 'userService'

Full trace:完整跟踪：

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userService' defined in file [C:\projects\JHipster\sample\target\classes\com\mycompany\myapp\service\UserService.class]: Unsatisfied dependency expressed through constructor parameter 2; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userSearchRepository' defined in com.mycompany.myapp.repository.search.UserSearchRepository defined in @EnableElasticsearchRepositories declared on DatabaseConfiguration: Invocation of init method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository]: Constructor threw exception; nested exception is org.springframework.data.elasticsearch.UncategorizedElasticsearchException: java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]; nested exception is ElasticsearchException[java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; nested: ExecutionException[java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; nested: ConnectException[Timeout connecting to [localhost/127.0.0.1:9200]];
        at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800)
        at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:229)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1372)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1222)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
        at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953)
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:414)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:302)
        at com.mycompany.myapp.JhipsterSampleApplicationApp.main(JhipsterSampleApplicationApp.java:69)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userSearchRepository' defined in com.mycompany.myapp.repository.search.UserSearchRepository defined in @EnableElasticsearchRepositories declared on DatabaseConfiguration: Invocation of init method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository]: Constructor threw exception; nested exception is org.springframework.data.elasticsearch.UncategorizedElasticsearchException: java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]; nested exception is ElasticsearchException[java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; nested: ExecutionException[java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; nested: ConnectException[Timeout connecting to [localhost/127.0.0.1:9200]];
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
        at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
        at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)        at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1389)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1309)
        at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887)
        at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791)
        ... 22 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository]: Constructor threw exception; nested exception is org.springframework.data.elasticsearch.UncategorizedElasticsearchException: java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]; nested exception is ElasticsearchException[java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; nested: ExecutionException[java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; nested: ConnectException[Timeout connecting to [localhost/127.0.0.1:9200]];
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:224)
        at org.springframework.data.repository.core.support.RepositoryFactorySupport.lambda$instantiateClass$5(RepositoryFactorySupport.java:578)
        at java.base/java.util.Optional.map(Optional.java:258)
        at org.springframework.data.repository.core.support.RepositoryFactorySupport.instantiateClass(RepositoryFactorySupport.java:578)
        at org.springframework.data.repository.core.support.RepositoryFactorySupport.getTargetRepositoryViaReflection(RepositoryFactorySupport.java:543)
        at org.springframework.data.elasticsearch.repository.support.ElasticsearchRepositoryFactory.getTargetRepository(ElasticsearchRepositoryFactory.java:74)
        at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:324)
        at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$5(RepositoryFactoryBeanSupport.java:322)
        at org.springframework.data.util.Lazy.getNullable(Lazy.java:230)
        at org.springframework.data.util.Lazy.get(Lazy.java:114)
        at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:328)
        at org.springframework.data.elasticsearch.repository.support.ElasticsearchRepositoryFactoryBean.afterPropertiesSet(ElasticsearchRepositoryFactoryBean.java:69)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800)
        ... 33 common frames omitted
Caused by: org.springframework.data.elasticsearch.UncategorizedElasticsearchException: java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]; nested exception is ElasticsearchException[java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; nested: ExecutionException[java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; nested: ConnectException[Timeout connecting to [localhost/127.0.0.1:9200]];
        at org.springframework.data.elasticsearch.core.ElasticsearchExceptionTranslator.translateExceptionIfPossible(ElasticsearchExceptionTranslator.java:72)
        at org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate.translateException(ElasticsearchRestTemplate.java:427)
        at org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate.execute(ElasticsearchRestTemplate.java:410)
        at org.springframework.data.elasticsearch.core.RestIndexTemplate.doExists(RestIndexTemplate.java:103)
        at org.springframework.data.elasticsearch.core.AbstractIndexTemplate.exists(AbstractIndexTemplate.java:134)
        at org.springframework.data.elasticsearch.repository.support.SimpleElasticsearchRepository.<init>(SimpleElasticsearchRepository.java:92)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:64)
        at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:211)
        ... 46 common frames omitted
Caused by: org.elasticsearch.ElasticsearchException: java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]
        at org.elasticsearch.client.RestHighLevelClient.performClientRequest(RestHighLevelClient.java:2078)
        at org.elasticsearch.client.RestHighLevelClient.internalPerformRequest(RestHighLevelClient.java:1732)
        at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:1717)
        at org.elasticsearch.client.IndicesClient.exists(IndicesClient.java:963)
        at org.springframework.data.elasticsearch.core.RestIndexTemplate.lambda$doExists$2(RestIndexTemplate.java:103)
        at org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate.execute(ElasticsearchRestTemplate.java:408)
        ... 55 common frames omitted
Caused by: java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]
        at org.elasticsearch.common.util.concurrent.BaseFuture$Sync.getValue(BaseFuture.java:262)
        at org.elasticsearch.common.util.concurrent.BaseFuture$Sync.get(BaseFuture.java:249)
        at org.elasticsearch.common.util.concurrent.BaseFuture.get(BaseFuture.java:76)
        at org.elasticsearch.client.RestHighLevelClient.performClientRequest(RestHighLevelClient.java:2075)
        ... 60 common frames omitted
Caused by: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]
        at org.apache.http.nio.pool.RouteSpecificPool.timeout(RouteSpecificPool.java:169)
        at org.apache.http.nio.pool.AbstractNIOConnPool.requestTimeout(AbstractNIOConnPool.java:632)
        at org.apache.http.nio.pool.AbstractNIOConnPool$InternalSessionRequestCallback.timeout(AbstractNIOConnPool.java:898)
        at org.apache.http.impl.nio.reactor.SessionRequestImpl.timeout(SessionRequestImpl.java:198)
        at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processTimeouts(DefaultConnectingIOReactor.java:213)
        at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvents(DefaultConnectingIOReactor.java:158)
        at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:351)
        at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:221)
        at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64)
        at java.base/java.lang.Thread.run(Thread.java:832)

Exception in thread "Logback shutdown hook [default]" java.util.ConcurrentModificationException
        at java.base/java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013)
        at java.base/java.util.ArrayList$Itr.next(ArrayList.java:967)
        at ch.qos.logback.classic.LoggerContext.fireOnReset(LoggerContext.java:323)
        at ch.qos.logback.classic.LoggerContext.reset(LoggerContext.java:226)
        at ch.qos.logback.classic.LoggerContext.stop(LoggerContext.java:348)
        at ch.qos.logback.core.hook.ShutdownHookBase.stop(ShutdownHookBase.java:39)
        at ch.qos.logback.core.hook.DelayingShutdownHook.run(DelayingShutdownHook.java:57)
        at java.base/java.lang.Thread.run(Thread.java:832)

1 个解决方案

解决方案1
 1 已采纳  2022-02-12 18:18:49

[java.util.concurrent.ExecutionException: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]]; [java.util.concurrent.ExecutionException: java.net.ConnectException: 超时连接到 [localhost/127.0.0.1:9200]]; nested: ExecutionException[java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]];嵌套：ExecutionException [java.net.ConnectException：连接到 [localhost/127.0.0.1:9200] 超时]；

If you look further in your stacktrace you can see that the application simply cannot connect to localhost:9200 which is the default address of an Elasticsearch local instance.如果进一步查看堆栈跟踪，您会发现应用程序根本无法连接到 localhost:9200，这是 Elasticsearch 本地实例的默认地址。

You firstly need to run elasticsearch on your machine in order for the application to work.您首先需要在您的机器上运行 elasticsearch 才能使应用程序运行。 You can do it quickly in docker https://docs.docker.com/get-docker/你可以在 docker https://docs.docker.com/get-docker/快速完成

Install docker, then type to download the image:安装docker，然后输入下载镜像：

docker pull docker.elastic.co/elasticsearch/elasticsearch:8.0.0

After you can launch the container with elasticsearch在您可以使用 elasticsearch 启动容器之后

docker run --name es01 -p 9200:9200 -it docker.elastic.co/elasticsearch/elasticsearch:8.0.0

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