org.springframework.web.multipart.MultipartException: Could not parse multipart servlet request; nested exception is java.io.IOException: The temporary upload location
解决方法是在项目启动脚本加这么个路径！
java -Xmx4096m $GC_TUNE -Djava.io.tmpdir=/opt/cominfo/app/website/temp -jar website-settings.jar &