spring 上传文件时后台报错

org.springframework.web.multipart.MultipartException: 
Could not parse multipart servlet request; nested exception is java.io.IOException: 
The temporary upload location [/tmp/tomcat.6441732850650402828.58000/work/Tomcat/localhost/ROOT] is not valid

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用下面语句创建目录就可以了

sudo mkdir -p /tmp/tomcat.6441732850650402828.58000/work/Tomcat/localhost/ROOT