Spring Boot/HHibernate:当我发代码时出现Not Found错误

Question

我正试图在春季启动中创建一个项目，当我通过Postman测试我的应用程序时，我收到了以下错误：
{
"状态">

我详细解释了问题所在。

我最初遇到以下错误：

---

应用程序无法启动

---

描述：

无法确定数据库类型NONE 的嵌入式数据库驱动程序类

行动：

如果你想要一个嵌入式数据库，请在类路径上放一个受支持的数据库。如果您有要从特定配置文件加载的数据库设置，则可能需要激活它(当前没有激活的配置文件(。

我只需在application.properties中插入以下行就解决了这个问题(我不知道这是否是一个好方法，但似乎已经解决了(：

spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration

后来我发现了上面的错误。我仔细检查了输入URL时是否有任何拼写错误，检查了我是否运行了正确的应用程序，似乎一切都是正确的，但由于找不到，我无法与Postman互动。

我该如何解决这个问题？我希望有人能帮助我。

代码：

pom.xml

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>

Config.java

package pack_cap_Config;
import java.util.Properties;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.ComponentScans;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.hibernate5.HibernateTransactionManager;
import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

@Configuration
@EnableTransactionManagement
@EnableAutoConfiguration(exclude = { HibernateJpaAutoConfiguration.class})
@ComponentScans(value = { @ComponentScan("boot.entry"),
@ComponentScan("Model"),
@ComponentScan("Controller"),
@ComponentScan("DAO"),
@ComponentScan("Miscallaneous"),
@ComponentScan("Service")})
public class Config {
@Value("${db.driver}")
private String DB_DRIVER;
@Value("${db.password}")
private String DB_PASSWORD;
@Value("${db.url}")
private String DB_URL;
@Value("${db.username}")
private String DB_USERNAME;
@Value("${hibernate.dialect}")
private String HIBERNATE_DIALECT;
@Value("${hibernate.show_sql}")
private String HIBERNATE_SHOW_SQL;
@Value("${hibernate.hbm2ddl.auto}")
private String HIBERNATE_HBM2DDL_AUTO;
@Value("${entitymanager.packagesToScan}")
private String ENTITYMANAGER_PACKAGES_TO_SCAN;
@Bean
public LocalSessionFactoryBean sessionFactory() {
LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
sessionFactory.setDataSource(dataSource());
sessionFactory.setPackagesToScan(ENTITYMANAGER_PACKAGES_TO_SCAN);
Properties hibernateProperties = new Properties();
hibernateProperties.put("hibernate.dialect", HIBERNATE_DIALECT);
hibernateProperties.put("hibernate.show_sql", HIBERNATE_SHOW_SQL);
hibernateProperties.put("hibernate.hbm2ddl.auto", HIBERNATE_HBM2DDL_AUTO);
sessionFactory.setHibernateProperties(hibernateProperties);
return sessionFactory;
}
@Bean
public DataSource dataSource() {
DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName(DB_DRIVER);
dataSource.setUrl(DB_URL);
dataSource.setUsername(DB_USERNAME);
dataSource.setPassword(DB_PASSWORD);
return dataSource;
}
@Bean
public HibernateTransactionManager transactionManager() {
HibernateTransactionManager txManager = new HibernateTransactionManager();
txManager.setSessionFactory(sessionFactory().getObject());
return txManager;
}

@Bean
public InternalResourceViewResolver jspViewResolver() {
InternalResourceViewResolver resolver= new InternalResourceViewResolver();
resolver.setPrefix("/views/");
resolver.setSuffix(".jsp");
return resolver;
} 



}

package pack_cap_Controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import pack_cap_Model.Customer;
import pack_cap_Service.CaP_Service;

@RestController
@CrossOrigin(origins="http://localhost:4200")
@RequestMapping(value="/api")
public class Controller {

@Autowired
private CaP_Service capservice;

@GetMapping("customers-list")
public List<Customer> allcustomers() {
return capservice.getCustomers();
}

application.properties

# Database
db.driver= com.mysql.cj.jdbc.Driver
db.url= jdbc:mysql://localhost:3306/acq
db.username=root
db.password=123456
# Hibernate
hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
hibernate.show_sql=true
hibernate.hbm2ddl.auto=update
entitymanager.packagesToScan=pack_cap_Model
spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration

Answer 1

我解决了它，问题在Spring Boot目录结构中；我弄错了这个项目不同文件夹的结构。