SpringBoot程序通过JAR运行时自动关闭，IDE及命令行运行正常

问题场景 #

我通过VSCode的Java项目管理器构建SpringBoot应用的JAR包，直接运行该JAR时，应用启动后会立刻关闭；但在VSCode内运行，或者执行mvn spring-boot:run命令时，应用均能正常运行。

主类代码 #

package com.jvc.interconnectingflights.app;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;

@SpringBootApplication
@ComponentScan("com.jvc.interconnectingflights")
public class InterconnectingFlightsApplication {
    public static void main(String[] args) {
        SpringApplication.run(InterconnectingFlightsApplication.class, args);
    }
}

pom.xml配置 #

<?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>3.0.2</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.jvc</groupId>
    <artifactId>interconnecting-flights</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>interconnecting-flights</name>
    <description>SpringBoot app</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-webflux</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.22</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>2.0.1.Final</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

JAR运行日志 #

22:05:28.287 [main] INFO com.jvc.interconnectingflights.app.InterconnectingFlightsApplication - Started InterconnectingFlightsApplication in 3.102 seconds (process running for 3.46)
22:05:28.318 [SpringApplicationShutdownHook] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Closing org.springframework.context.annotation.AnnotationConfigApplicationContext@78e94dcf, started on Tue Jan 31 22:05:25 CET 2023

已尝试方案 #

我已经试过针对“SpringBoot应用启动后立即关闭”问题的常见解决方案，但均未奏效，希望得到新的排查建议。

排查建议 #

• 确认JAR包类型：执行jar tf target/interconnecting-flights-0.0.1-SNAPSHOT.jar查看是否存在BOOT-INF目录，若不存在说明构建的不是可执行JAR，需检查spring-boot-maven-plugin配置是否正确，确保构建时执行mvn clean package命令。
• 移除冲突依赖：同时引入spring-boot-starter-web（Servlet栈）和spring-boot-starter-webflux（Reactor栈）会导致自动配置冲突，容器无法正常启动。根据业务需求保留其中一个依赖即可。
• 校验JDK版本：执行java -version确认运行JAR的JDK版本与项目指定的java.version=17一致，避免版本不兼容问题。
• 启用详细日志：运行JAR时添加参数--logging.level.org.springframework=DEBUG，通过详细日志定位是否存在Bean加载失败、自动配置跳过等异常。

内容的提问来源于stack exchange，提问作者jvivo