我刚刚创建了一个带有通用模型/服务/dto/控制器/存储库的 Spring Boot 应用程序，并想在 mysql 数据库上首次测试它。当我运行该应用程序时，它没有提供任何错误，但在运行几秒钟后立即关闭。我的 mavin 构建也很成功。这是运行日志：
:: Spring Boot :: (v3.2.0)
2023-12-01T00:48:31.899-06:00 INFO 1456 --- [ main] com.example.backend.BackendApplication : Starting BackendApplication using Java 19.0.2 with PID 1456 (C:\Users\marie\Downloads\backend\backend\target\classes started by marie in C:\Users\marie\Downloads\backend)
2023-12-01T00:48:31.947-06:00 INFO 1456 --- [ main] com.example.backend.BackendApplication : No active profile set, falling back to 1 default profile: "default"
2023-12-01T00:48:32.998-06:00 INFO 1456 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
2023-12-01T00:48:33.607-06:00 INFO 1456 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 542 ms. Found 1 JPA repository interface.
2023-12-01T00:48:35.159-06:00 INFO 1456 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]
2023-12-01T00:48:35.354-06:00 INFO 1456 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 6.3.1.Final
2023-12-01T00:48:35.457-06:00 INFO 1456 --- [ main] o.h.c.internal.RegionFactoryInitiator : HHH000026: Second-level cache disabled
2023-12-01T00:48:36.183-06:00 INFO 1456 --- [ main] o.s.o.j.p.SpringPersistenceUnitInfo : No LoadTimeWeaver setup: ignoring JPA class transformer
2023-12-01T00:48:36.238-06:00 INFO 1456 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2023-12-01T00:48:36.871-06:00 INFO 1456 --- [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Added connection com.mysql.cj.jdbc.ConnectionImpl@30aec673
2023-12-01T00:48:36.874-06:00 INFO 1456 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
2023-12-01T00:48:36.951-06:00 WARN 1456 --- [ main] org.hibernate.orm.deprecation : HHH90000025: MySQLDialect does not need to be specified explicitly using 'hibernate.dialect' (remove the property setting and it will be selected by default)
2023-12-01T00:48:38.198-06:00 INFO 1456 --- [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000489: No JTA platform available (set 'hibernate.transaction.jta.platform' to enable JTA platform integration)
2023-12-01T00:48:38.270-06:00 INFO 1456 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2023-12-01T00:48:38.829-06:00 INFO 1456 --- [ main] com.example.backend.BackendApplication : Started BackendApplication in 8.444 seconds (process running for 9.385)
2023-12-01T00:48:38.842-06:00 INFO 1456 --- [ionShutdownHook] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2023-12-01T00:48:38.846-06:00 INFO 1456 --- [ionShutdownHook] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...
2023-12-01T00:48:38.869-06:00 INFO 1456 --- [ionShutdownHook] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.
Process finished with exit code 0
这也是我的 pom.xml 文件：
<?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>3.2.0</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>backend</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>backend</name>
<description>Backend</description>
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</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-tomcat</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</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>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>6.1.1</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
</configuration>
</plugin>
</plugins>
</build>
</project>
后端应用程序
package com.example.backend;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class BackendApplication {
public static void main(String[] args) {
SpringApplication.run(BackendApplication.class, args);
}
}
我看过关于在 pom.xml 中包含/排除 tomcat 依赖项的不同帖子，但这对我来说无论如何都不起作用。我尝试从 tomcat 中删除范围。我尝试添加/删除“spring-boot-starter-web”依赖项。我尝试了各种不同的依赖项和依赖项组合，但都不起作用。我觉得我已经尝试了网上所有的解决方案，但没有一个有效。如果有人有任何想法，请告诉我:)
您解决了错误吗？我有一些问题