SpringBoot项目打包war包

1.修改打包形式
 war
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2.移除嵌入式tomcat插件两种方式

    org.springframework.boot
    spring-boot-starter-web
    
    
        
            org.springframework.boot
            spring-boot-starter-tomcat
        
    




    org.apache.tomcat
    tomcat-servlet-api
    8.0.36
    provided

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3.添加servlet-api的依赖

    javax.servlet
    javax.servlet-api
    3.1.0
    provided

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 ROOT
        
            
                org.springframework.boot
                spring-boot-maven-plugin
            
        

	

4.修改启动类，重写初始化方法

@SpringBootApplication
public class Application extends SpringBootServletInitializer {
    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
        return builder.sources(Application.class);
    }
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}