tomcat: server.xml中connector中加上：useBodyEncodingForURI="true"

example:

maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="1000"
connectionTimeout="20000" disableUploadTimeout="true" useBodyEncodingForURI="true"/>

Jetty: webdefault.xml中加上一段：

jsp
org.apache.jasper.servlet.JspServlet

javaEncoding
GBK