At the beginning of your servlet's processRequest() method, add this line:
request.setCharacterEncoding("UTF-8");
This made your example work for me.
Instead of hard-coding the request encoding in your servlet, you may specify it in your webapp's sun-web.xml, as follows:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sun-web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Sun ONE Application Server 8.0 Servlet 2.4//EN" "
http://www.sun.com/software/sunone/appserver/dtds/sun-web-app_2_4-0.dtd">
<sun-web-app>
<locale-charset-info default-locale="">
<locale-charset-map locale="" charset=""/>
<parameter-encoding default-charset="UTF-8"/>
</locale-charset-info>
</sun-web-app>
I think technically, a listener's uriEncoding property applies only to the URI portion of the request, *without* the query string. The query string's encoding needs to be set separately. (There was a long and heated debate about this on tomcat-dev several years ago.)
Please try either of my suggestions and let me know if they work for you.
BTW, in GlassFish, a listener's uriEncoding already defaults to UTF-8, so there is no need to specify this property in domain.xml if you want to use UTF-8.
Thanks,
Jan
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