The temporary upload location *** is not valid

配置文件添加

server:
  port: 8080
  tomcat:
    basedir: /tmp/tomcat

启动类添加

    @Bean
    MultipartConfigElement multipartConfigElement() {
        MultipartConfigFactory factory = new MultipartConfigFactory();
        factory.setLocation("/tmp/tomcat");
        return factory.createMultipartConfig();
    }