使用springboot，我试图创建一个新的表，其中包含所有由用户评级的产品。似乎我的datasource.driver有问题。（我不知道）我尝试寻找以下错误的解决方案，但没有找到任何解决方案。我将非常感谢任何人可以回答我的问题。
控制台出错：
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'dataSourceScriptDatabaseInitializer' defined in class path resource [org/springframework/boot/autoconfigure/sql/init/DataSourceInitializationConfiguration.class]: Unsatisfied dependency expressed through method 'dataSourceScriptDatabaseInitializer' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:541) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1154) ~[spring-context-5.3.22.jar:5.3.22]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:908) ~[spring-context-5.3.22.jar:5.3.22]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.22.jar:5.3.22]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[spring-boot-2.7.3.jar:2.7.3]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734) ~[spring-boot-2.7.3.jar:2.7.3]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) ~[spring-boot-2.7.3.jar:2.7.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) ~[spring-boot-2.7.3.jar:2.7.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) ~[spring-boot-2.7.3.jar:2.7.3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1295) ~[spring-boot-2.7.3.jar:2.7.3]
at com.fsse2207.project_backend.ProjectBackendApplication.main(ProjectBackendApplication.java:9) ~[main/:na]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is 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: com.mysql.cj.jdbc.Driver
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1391) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791) ~[spring-beans-5.3.22.jar:5.3.22]
... 21 common frames omitted
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: com.mysql.cj.jdbc.Driver
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.3.22.jar:5.3.22]
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ~[spring-beans-5.3.22.jar:5.3.22]
... 35 common frames omitted
Caused by: java.lang.IllegalStateException: Cannot load driver class: com.mysql.cj.jdbc.Driver
at org.springframework.util.Assert.state(Assert.java:97) ~[spring-core-5.3.22.jar:5.3.22]
at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.determineDriverClassName(DataSourceProperties.java:171) ~[spring-boot-autoconfigure-2.7.3.jar:2.7.3]
at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.initializeDataSourceBuilder(DataSourceProperties.java:123) ~[spring-boot-autoconfigure-2.7.3.jar:2.7.3]
at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration.createDataSource(DataSourceConfiguration.java:48) ~[spring-boot-autoconfigure-2.7.3.jar:2.7.3]
at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration$Hikari.dataSource(DataSourceConfiguration.java:90) ~[spring-boot-autoconfigure-2.7.3.jar:2.7.3]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.3.22.jar:5.3.22]
... 36 common frames omittedapplication.properties:
spring.datasource.url=(hidden)
spring.datasource.username=admin
spring.datasource.password=(hidden)
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver (Here is where things turn red. Probably where the error occurs)
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
spring.security.oauth2.resourceserver.jwt.jwk-set-uri=https://www.googleapis.com/service_accounts/v1/jwk/securetoken%40system.gserviceaccount.combuild.gradle:
plugins {
id 'org.springframework.boot' version '2.7.3'
id 'io.spring.dependency-management' version '1.0.13.RELEASE'
id 'java'
}
group = 'com.fsse2207'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'org.springframework.boot:spring-boot-starter-security'
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-oauth2-resource-server'
implementation 'com.google.firebase:firebase-admin:9.0.0'
implementation 'com.stripe:stripe-java:21.0.0'
runtimeOnly 'mysql:mysql-connector-java'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
testImplementation 'org.springframework.security:spring-security-test'
}
tasks.named('test') {
useJUnitPlatform()
}项目后端应用程序：
@SpringBootApplication
public class ProjectBackendApplication {
public static void main(String[] args) {
SpringApplication.run(ProjectBackendApplication.class, args);
}
}产品Api：
@CrossOrigin
@RestController
public class ProductApi {
private ProductService productService;
private ProductsRatedByUserService productsRatedByUserService;
@Autowired
public ProductApi(ProductService productService, ProductsRatedByUserService productsRatedByUserService){
this.productService=productService;
this.productsRatedByUserService=productsRatedByUserService;
}
@PatchMapping("/product/rating/{pid}/{numOfStars}")
public ProductsRatedByUserResponseDto recordLikes(@PathVariable("pid") Integer pid, @PathVariable Integer numOfStars, JwtAuthenticationToken jwtAuthenticationToken) throws ProductFoundByIdException {
FirebaseUserData firebaseUserData=new FirebaseUserData(jwtAuthenticationToken);
ProductsRatedByUserDetail productsRatedByUserDetail=productsRatedByUserService.updateProductRating(pid,numOfStars,firebaseUserData);
return new ProductsRatedByUserResponseDto(productsRatedByUserDetail);
}
}产品按用户评级服务实现：
@Service
@Component
public class ProductsRatedByUserServiceImpl implements ProductsRatedByUserService {
public ProductsRatedByUserRepository productsRatedByUserRepository;
public ProductRepository productRepository;
public UserRepository userRepository;
@Autowired
public ProductsRatedByUserServiceImpl(ProductsRatedByUserRepository productsRatedByUserRepository,ProductRepository productRepository,UserRepository userRepository){
this.productsRatedByUserRepository=productsRatedByUserRepository;
this.productRepository=productRepository;
this.userRepository=userRepository;
}
@Override
public ProductsRatedByUserDetail updateProductRating(Integer pid, Integer numOfStars, FirebaseUserData firebaseUserData) throws ProductFoundByIdException {
if(!productRepository.existsById(pid)){
throw new ProductFoundByIdException();
}
UserEntity userEntity=userRepository.findUserEntityByEmail(firebaseUserData.getEmail());
ProductEntity productEntity =productRepository.findById(pid).orElse(null);
if(!productsRatedByUserRepository.existsByProduct(productEntity)){
ProductsRatedByUserEntity productsRatedByUserEntity=new ProductsRatedByUserEntity(userEntity, productEntity, numOfStars);
ProductsRatedByUserEntity productsRatedByUserEntityReturned=productsRatedByUserRepository.save(productsRatedByUserEntity);
return new ProductsRatedByUserDetail(productsRatedByUserEntityReturned);
}else{
ProductsRatedByUserEntity productsRatedByUserEntity=productsRatedByUserRepository.findTopByOrderByProductDesc(productEntity);
productsRatedByUserEntity.setTotalNumOfUsersWhoRated(productsRatedByUserEntity.getTotalNumOfUsersWhoRated()+numOfStars);
productsRatedByUserEntity.setTotalNumOfUsersWhoRated(productsRatedByUserEntity.getTotalNumOfUsersWhoRated()+1);
productsRatedByUserEntity.setAverageStars(BigDecimal.valueOf(productsRatedByUserEntity.getTotalStars()).divide(BigDecimal.valueOf(productsRatedByUserEntity.getTotalNumOfUsersWhoRated())));
return new ProductsRatedByUserDetail(productsRatedByUserRepository.save(productsRatedByUserEntity));
}
}
}产品按用户评级服务：
public interface ProductsRatedByUserService {
ProductsRatedByUserDetail updateProductRating(Integer pid, Integer numOfStars, FirebaseUserData firebaseUserData) throws ProductFoundByIdException;
}
1条答案
按热度按时间zbq4xfa01#
只是一个更新。由于某种原因，在运行构建配置后，我下载了大量文件，dataSourceScriptDatabaseInitializer错误消失了。我现在得到的是另一组错误，这些错误都得到了解决，这要感谢@威尔金森
running the build configuration
前一个错误消失时出现新的错误集：