如果你能看到这篇文章你应该是报了如下错误
Caused by: java.io.IOException: The temporary upload location [/tmp/tomcat.5130481038790171390.8095/work/Tomcat/localhost/ysk] is not valid
at org.apache.catalina.connector.Request.parseParts(Request.java:2751)
at org.apache.catalina.connector.Request.parseParameters(Request.java:3151)
at org.apache.catalina.connector.Request.getParameter(Request.java:1108)
at org.apache.catalina.connector.RequestFacade.getParameter(RequestFacade.java:380)
at javax.servlet.ServletRequestWrapper.getParameter(ServletRequestWrapper.java:153)
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:75)
运行几天后就突然间出现，然后各种百度都找不到答案。
最后通过
为tomcat指定临时目录解决。
server.tomcat.basedir=/home/www/tomcat/temp