无法在spring启动应用程序中加载驱动程序类:org.h2.driver
我试图通过创建一个虚拟项目来学习微服务。 我在git中有一个配置存储库,配置服务器在8888端口运行。它工作正常,因为我可以看到我的设置如下: 现在我有两个微服务项目1)客户服务和2)客户账户服务。当客户帐户微服务无法启动时,客户微服务正在正常运行,并引发以下异常:无法在spring启动应用程序中加载驱动程序类:org.h2.driver,spring,spring-boot,microservices,Spring,Spring Boot,Microservices,我试图通过创建一个虚拟项目来学习微服务。 我在git中有一个配置存储库,配置服务器在8888端口运行。它工作正常,因为我可以看到我的设置如下: 现在我有两个微服务项目1)客户服务和2)客户账户服务。当客户帐户微服务无法启动时,客户微服务正在正常运行,并引发以下异常: *Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDa
*Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: org.h2.Driver
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.0.11.RELEASE.jar:5.0.11.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:583) ~[spring-beans-5.0.11.RELEASE.jar:5.0.11.RELEASE]
... 66 common frames omitted
Caused by: java.lang.IllegalStateException: Cannot load driver class: org.h2.Driver
at org.springframework.util.Assert.state(Assert.java:94) ~[spring-core-5.0.11.RELEASE.jar:5.0.11.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.determineDriverClassName(DataSourceProperties.java:224) ~[spring-boot-autoconfigure-2.0.7.RELEASE.jar:2.0.7.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.initializeDataSourceBuilder(DataSourceProperties.java:176) ~[spring-boot-autoconfigure-2.0.7.RELEASE.jar:2.0.7.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration.createDataSource(DataSourceConfiguration.java:43) ~[spring-boot-autoconfigure-2.0.7.RELEASE.jar:2.0.7.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration$Hikari.dataSource(DataSourceConfiguration.java:83) ~[spring-boot-autoconfigure-2.0.7.RELEASE.jar:2.0.7.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_144]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_144]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_144]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_144]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.0.11.RELEASE.jar:5.0.11.RELEASE]
... 67 common frames omitted*
客户帐户微服务的bootstrap.properties配置如下:
<?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 http://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>2.0.7.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.microservice</groupId>
<artifactId>customer-account-microservice</artifactId>
<version>1</version>
<name>customer-account-microservice</name>
<description>Spring starter project for demonstrating spring feign client and circuit breaker</description>
<properties>
<java.version>1.8</java.version>
<spring-cloud-services.version>2.0.3.RELEASE</spring-cloud-services.version>
<spring-cloud.version>Finchley.SR2</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.7.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.7.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>io.pivotal.spring.cloud</groupId>
<artifactId>spring-cloud-services-starter-circuit-breaker</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</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>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>io.pivotal.spring.cloud</groupId>
<artifactId>spring-cloud-services-dependencies</artifactId>
<version>${spring-cloud-services.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
customer account microservice的pom.xml配置如下:
<?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 http://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>2.0.7.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.microservice</groupId>
<artifactId>customer-account-microservice</artifactId>
<version>1</version>
<name>customer-account-microservice</name>
<description>Spring starter project for demonstrating spring feign client and circuit breaker</description>
<properties>
<java.version>1.8</java.version>
<spring-cloud-services.version>2.0.3.RELEASE</spring-cloud-services.version>
<spring-cloud.version>Finchley.SR2</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.7.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.7.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>io.pivotal.spring.cloud</groupId>
<artifactId>spring-cloud-services-starter-circuit-breaker</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</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>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>io.pivotal.spring.cloud</groupId>
<artifactId>spring-cloud-services-dependencies</artifactId>
<version>${spring-cloud-services.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
4.0.0
org.springframework.boot
spring启动程序父级
2.0.7.1发布
com.microservice
客户帐户微服务
1.
客户帐户微服务
弹簧启动器项目,用于演示弹簧外国客户和断路器
1.8
2.0.3.1发布
Finchley.SR2
org.springframework.boot
弹簧靴起动器执行器
org.springframework.cloud
spring cloud starter netflix hystrix
org.springframework.cloud
spring cloud starter netflix hystrix仪表板
org.springframework.boot
spring引导启动器数据jpa
伊奥·斯普林福克斯
springfox-Swagger 2
2.7.0
编译
伊奥·斯普林福克斯
springfox招摇过市用户界面
2.7.0
编译
org.springframework.boot
SpringBootStarterWeb
io.pivotal.spring.cloud
spring cloud服务启动器断路器
org.springframework.cloud
SpringCloudStarter配置
org.springframework.cloud
春季云启动程序
org.springframework.boot
弹簧靴开发工具
运行时
org.projectlombok
龙目
真的
org.springframework.boot
弹簧起动试验
测试
org.springframework.cloud
spring云依赖关系
${spring cloud.version}
聚甲醛
进口
com.h2数据库
氢
运行时
io.pivotal.spring.cloud
spring云服务依赖项
${spring cloud services.version}
聚甲醛
进口
org.springframework.boot
springbootmaven插件
请帮助我修复上述异常。看来您的依赖关系
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
com.h2数据库
. 或者您可能有一个子工件,在这种情况下,您必须共享另一个pom xml。我将其更改为“compile”,它解决了我的问题
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.200</version>
<scope>compile</scope>
</dependency>
com.h2数据库
氢
1.4.200
编译
我希望您已经添加了依赖项,现在在application.properties中添加spring.datasource.platform=h2
这对我来说很有效即使在pom.xml
中使用了正确的依赖项,我在IDEA IntellJ中也面临着同样的问题。它可以归结为特定于IDE的问题,即它无法下载h2
依赖项。它在重新启动IDE后工作。我可以问一下为什么h2依赖项是依赖项管理
块的一部分,而不是依赖项块?@sn42复制粘贴错误,在将h2依赖项移动到依赖项块下后,代码工作。非常感谢您指出这个错误。