找到connector节点,插入
disableUploadTimeout="true" useBodyEncodingForURI="true" URIEncoding="UTF-8" 即可，如下
<Connector connectionTimeout="20000" port="80" protocol="HTTP/1.1" redirectPort="8443" disableUploadTimeout="true" useBodyEncodingForURI="true" URIEncoding="UTF-8"/>
原文：http://www.cnblogs.com/chinajava/p/5692402.html