问题描述 Spring Boot应用(使用默认的嵌入式Tomcat)在上传文件时,偶尔会出现上传失败的情况,后台报错日志信息如下:"The temporary upload location is not valid". 原因追踪 这个问题的根本原因是Tomcat的文件上传机制引起的! Tomcat在处理文件上传时,会将客户端上传的文件写入临时目录,这个临时目录默认在/tmp路径下,如:"/tmp/tomcat.6574404581312272268.18333/work/T…
报错场景: 使用SSM框架实现文件上传时报“Failed to instantiate [org.springframework.web.multipart.MultipartFile]”错,控制器源代码: @Controller @RequestMapping("/file") public class FileUDController { @RequestMapping(value="/fileUpload",method=RequestMethod.POST)…
问题 上传文件到Hadoop异常,报错信息如下: org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /home/input/qn_log.txt._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1). There are 0 datanode(s) running and no node(s) are excluded…
报错代码: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.web.multipart.MultipartFile]: Specified class is an interface org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:101) o…