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1. Set URIEncoding="UTF-8" on your <Connector> in server.xml

2. Wiki Markup
   Use a \[#Q3 character encoding filter\] with the default encoding set to UTF-8

3. Change all your JSPs to set the correct Content-Type (use <%@page cotnentType="mime/type; charset=UTF-8" %>)
4. Change all your servlets to set the content type for responses to UTF-8
5. Change any content-generation libraries you use (Velocity, Freemarker, etc.) to use UTF-8 as the content type
6. Disable any valves or filters that may read request parameters before your character encoding filter or jsp page has a chance to set the encoding to UTF-8. For more information see http://www.mail-archive.com/users@tomcat.apache.org/msg21117.html.
   

Why does everything have to be this way?

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