SpringBoot文件上传异常之temporary upload location not valid

最新推荐文章于 2024-02-10 21:30:00 发布

南极亚拉

最新推荐文章于 2024-02-10 21:30:00 发布

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分类专栏： springboot

本文链接：https://blog.youkuaiyun.com/qq3434569/article/details/115293609

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本文分析了SpringBoot中MultipartException的常见错误，焦点在于上传文件时临时目录路径错误。解决方法包括升级SpringBoot版本和自定义临时文件夹。

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一、问题分析

org.springframework.web.multipart.MultipartException: Failed to parse multipart servlet request; nested exception is java.io.IOException: The temporary upload location [/tmp/tomcat.6239989728636105816.19530/work/Tomcat/localhost/ROOT] is not valid
        at org.springframework.web.multipart.support.StandardMultipartHttpServletRequest.handleParseFailure(StandardMultipartHttpServletRequest.java:122)
        at org.springframework.web.multipart.support.StandardMultipartHttpServletRequest.parseRequest(StandardMultipartHttpServletRequest.java:113)
        at org.springframework.web.multipart.support.StandardMultipartHttpServletRequest.<init>(StandardMultipartHttpServletRequest.java:86)
        at org.springframework.web.multipart.support.StandardServletMultipartResolver.resolveMultipart(StandardServletMultipartResolver.java:93)
        at org.springframework.web.servlet.DispatcherServlet.checkMultipart(DispatcherServlet.java:1128)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:960)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:877)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

从堆栈内容来看，问题比较清晰，目录非法，根据path路径，进入目录，结果发现，没有这个目录。

二、原因

springboot启动时会创建一个/tmp/tomcat.*/work/Tomcat/localhost/ROOT的临时目录作为文件上传的临时目录，但是该目录会在n天之后被系统自动清理掉，这个清理是由linux操作系统完成的

三、解决方案

1.升级springboot版本到2.2.0，新版本解决了这个问题。

2.增加服务配置，自定义baseDir

server:
  tomcat:
    basedir: /home/temp