Question

我正在尝试将Spring Boot应用程序连接到MongoDB，但出现以下错误：

启动ApplicationContext时出错。显示条件报告在启用“调试”的情况下重新运行您的应用程序。 2020-09-16 17：21：17.728 错误10036 --- [restartedMain] o.s.boot.SpringApplication
：应用程序运行失败

org.springframework.beans.factory.BeanCreationException：错误创建在类路径资源中定义的名称为“ mongo”的bean [org / springframework / boot / autoconfigure / mongo / MongoAutoConfiguration.class]：通过工厂方法实例化Bean失败；嵌套异常为 org.springframework.beans.BeanInstantiationException：失败实例化[com.mongodb.client.MongoClient]：工厂方法'mongo' 抛出异常；嵌套异常为 com.mongodb.MongoConfigurationException：无法查找TXT记录用于主机simulacao.yko5j.mongodb.net，网址为 org.springframework.beans.factory.support.ConstructorResolver.instantiate（ConstructorResolver.java:655）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod（ConstructorResolver.java:635）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod（AbstractAutowireCapableBeanFactory.java:1336）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance（AbstractAutowireCapableBeanFactory.java:1176）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:556）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:516）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.AbstractBeanFactory.lambda $ doGetBean $ 0（AbstractBeanFactory.java:324）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:226）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:322）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:202）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons（DefaultListableBeanFactory.java:897）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:879）〜[spring-context-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:551）〜[spring-context-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh（ServletWebServerApplicationContext.java:143）〜[spring-boot-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.SpringApplication.refresh（SpringApplication.java:758）〜[spring-boot-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.SpringApplication.refresh（SpringApplication.java:750）〜[spring-boot-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.SpringApplication.refreshContext（SpringApplication.java:397）〜[spring-boot-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.SpringApplication.run（SpringApplication.java:315）〜[spring-boot-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.SpringApplication.run（SpringApplication.java:1237）〜[spring-boot-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.SpringApplication.run（SpringApplication.java:1226）〜[spring-boot-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 com.simulacao.simulacao.SimulacaoApplication.main（SimulacaoApplication.java:10）〜[classes /：na]在 java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke0（本机方法）〜[na：na]在 java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）〜[na：na]在 java.base / jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）〜[na：na]在 java.base / java.lang.reflect.Method.invoke（Method.java:564）〜[na：na] 在 org.springframework.boot.devtools.restart.RestartLauncher.run（RestartLauncher.java:49）〜[spring-boot-devtools-2.3.3.RELEASE.jar：2.3.3.RELEASE]原因： org.springframework.beans.BeanInstantiationException：失败实例化[com.mongodb.client.MongoClient]：工厂方法'mongo' 抛出异常；嵌套异常为 com.mongodb.MongoConfigurationException：无法查找TXT记录用于主机simulacao.yko5j.mongodb.net，网址为 org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate（SimpleInstantiationStrategy.java:185）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE]在 org.springframework.beans.factory.support.ConstructorResolver.instantiate（ConstructorResolver.java:650）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE] ... 25个常见帧省略的原因：com.mongodb.MongoConfigurationException：无法在以下位置查找主机simulacao.yko5j.mongodb.net的TXT记录 com.mongodb.internal.dns.DefaultDnsResolver.resolveAdditionalQueryParametersFromTxtRecords（DefaultDnsResolver.java:131）〜[mongodb-driver-core-4.0.5.jar：na]在 com.mongodb.ConnectionString。（ConnectionString.java:378）〜[mongodb-driver-core-4.0.5.jar：na]在 org.springframework.boot.autoconfigure.mongo.MongoClientFactorySupport.applyHostAndPort（MongoClientFactorySupport.java:102）〜[spring-boot-autoconfigure-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.autoconfigure.mongo.MongoClientFactorySupport.computeClientSettings（MongoClientFactorySupport.java:70）〜[spring-boot-autoconfigure-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.autoconfigure.mongo.MongoClientFactorySupport.createMongoClient（MongoClientFactorySupport.java:61）〜[spring-boot-autoconfigure-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration.mongo（MongoAutoConfiguration.java:57）〜[spring-boot-autoconfigure-2.3.3.RELEASE.jar：2.3.3.RELEASE]在 java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke0（本机方法）〜[na：na]在 java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）〜[na：na]在 java.base / jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）〜[na：na]在 java.base / java.lang.reflect.Method.invoke（Method.java:564）〜[na：na] 在 org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate（SimpleInstantiationStrategy.java:154）〜[spring-beans-5.2.8.RELEASE.jar：5.2.8.RELEASE] ... 26个常见框架省略原因：javax.naming.NameNotFoundException：DNS名称不正确发现于[响应代码3] jdk.naming.dns / com.sun.jndi.dns.DnsClient.checkResponseCode（DnsClient.java:664）〜[jdk.naming.dns：na]在 jdk.naming.dns / com.sun.jndi.dns.DnsClient.isMatchResponse（DnsClient.java:582）〜[jdk.naming.dns：na]在 jdk.naming.dns / com.sun.jndi.dns.DnsClient.doUdpQuery（DnsClient.java:430）〜[jdk.naming.dns：na]在 jdk.naming.dns / com.sun.jndi.dns.DnsClient.query（DnsClient.java:214）〜[jdk.naming.dns：na]在 jdk.naming.dns / com.sun.jndi.dns.Resolver.query（Resolver.java:81）〜[jdk.naming.dns：na]在 jdk.naming.dns / com.sun.jndi.dns.DnsContext.c_getAttributes（DnsContext.java:434）〜[jdk.naming.dns：na]在 java.naming / com.sun.jndi.toolkit.ctx.ComponentDirContext.p_getAttributes（ComponentDirContext.java:235）〜[na：na]在 java.naming / com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.getAttributes（PartialCompositeDirContext.java:141）〜[na：na]在 java.naming / com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.getAttributes（PartialCompositeDirContext.java:129）〜[na：na]在 java.naming / javax.naming.directory.InitialDirContext.getAttributes（InitialDirContext.java:171）〜[na：na]在 com.mongodb.internal.dns.DefaultDnsResolver.resolveAdditionalQueryParametersFromTxtRecords（DefaultDnsResolver.java:114）〜[mongodb-driver-core-4.0.5.jar：na] ...省略了36个常见框架

我的application.properties：

spring.data.mongodb.uri=mongodb+srv://renan:masterkey@simulacao.yko5j.mongodb.net/simulacao?retryWrites=true&w=majority

我的pom.xml：

<?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>2.3.3.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.simulacao</groupId>
    <artifactId>simulacao</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>simulacao</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>14</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-mongodb</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <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>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <configuration>
                    <testFailureIgnore>true</testFailureIgnore>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

我通过Atlas MongoDB创建了到数据库的连接。

我不知道如何解决这个问题。

谢谢。

Answer 1

这似乎是错误跟踪与数据库的连接问题。您可以检查端口27017是否被防火墙阻止。您需要在防火墙中为此端口打开出站和入站。

适用于Windows的步骤：

转到防火墙
高级设置
入站规则
使用“操作”标签下的“新建规则”创建新规则
选择端口
选择TCP并指定端口号（27015,27016,27017）
允许连接
单击下一步
为新规则完成添加名称
遵循“出站规则”的相同步骤。完成后，重新启动系统。

尝试将Spring Boot应用程序与mongoDB连接

1 个答案: