jap重定向 中文乱码

tomcat的配置:

<Connector port="8888" maxHttpHeaderSize="8192"
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" redirectPort="8443" acceptCount="100"
               connectionTimeout="20000" disableUploadTimeout="true" URIEncoding="gbk"/>

response.sendRedirect(request.getContextPath() + "/XXX.jsp?errorMessage=" + java.net.URLEncoder.encode(errorMessage, "GBK"));