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copied!<p>Erickson explained this very well on this page. A server-independent solution is to use a character encoding filter, à la org.springframework.web.filter.CharacterEncodingFilter. See example below:</p> <pre><code>import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; public class EncodingFilter implements Filter { private String encoding = "utf-8"; public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException { request.setCharacterEncoding(encoding); filterChain.doFilter(request, response); } public void init(FilterConfig filterConfig) throws ServletException { String encodingParam = filterConfig.getInitParameter("encoding"); if (encodingParam != null) { encoding = encodingParam; } } public void destroy() { // nothing todo } } </code></pre> <p>In web.xml add the filter declaration and the filter url mapping in the appropriate sections:</p> <pre><code> <filter> <filter-name>EncodingFilter</filter-name> <description> <![CDATA[Changes the encoding of the request, in order to help the appserver to correctly interpret request params]]> </description> <filter-class>com.mypackage.EncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>ISO-8859-15</param-value> </init-param> </filter> <filter-mapping> <filter-name>EncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </code></pre>

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