SpringBoot项目上传文件时报tomcat临时目录不合法错误

报错如下：

[http-nio-9911-exec-4] ERROR o.a.c.c.C.[.[.[.[dispatcherServlet] H:open.api.qooco.com - SC: Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.web.multipart.MultipartException: Could not parse multipart servlet request; nested exception is java.io.IOException: The temporary upload location [/tmp/tomcat.7989114542553363229.9911/work/Tomcat/localhost/ROOT]

网上查询是centos对’/tmp’下文件定时自动清理的原因。解决方法，注入一个Bean,手动配置临时目录

/**
 * 文件上传临时路径
 */
 @Bean
 MultipartConfigElement multipartConfigElement() {
    MultipartConfigFactory factory = new MultipartConfigFactory();
    factory.setLocation("/app/pttms/tmp");
    return factory.createMultipartConfig();
}

参考链接:
https://blog.csdn.net/llibin1024530411/article/details/79474953
https://blog.csdn.net/u012706811/article/details/52833682