springboot微服务内置了tomcat,在工程目录下执行:mvn clean package,可以将项目打成jar,通过java -jar jar包名.jar启动项目。
有哪些场景需要将springboot打成war包去部署呢?
1.一个tomcat管理多个项目
2.springboot整合jsp等
解决方法:
1.<packaging>jar</packaging>中的jar改成war
2.引入依赖:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
</exclusions>
</dependency>
<!--servlet依赖-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-servlet-api</artifactId>
<version>8.0.36</version>
<scope>provided</scope>
</dependency>
3.启动类继承SpringBootServletInitializer,重写configure方法:
@SpringBootApplication
public class DemoApplication extends SpringBootServletInitializer {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
@Override
protected SpringApplicationBuilder configure
(SpringApplicationBuilder builder) {
return builder.sources(DemoApplication.class);
}
}
4.修改tomcat配置文件context.xml
修改标签:<Context> 至<Context xmlBlockExternal="false">,就可以打包部署了