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copied!<p>Here's a filter that I wrote to force UTF-8 encoding:</p> <pre><code>public class CharacterEncodingFilter implements Filter { private static final Logger log = Logger.getLogger( CharacterEncodingFilter.class.getName() ); boolean isConnectorConfigured = false; public void init( FilterConfig filterConfig ) throws ServletException {} public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain ) throws IOException, ServletException { request.setCharacterEncoding( "utf-8" ); response.setCharacterEncoding( "utf-8" ); if( ! isConnectorConfigured ) { isConnectorConfigured = true; try { //I need to do all of this with reflection, because I get NoClassDefErrors otherwise. --jsb Field f = request.getClass().getDeclaredField( "request" ); //Tomcat wraps the real request in a facade, need to get it f.setAccessible( true ); Object req = f.get( request ); Object connector = req.getClass().getMethod( "getConnector", new Class[0] ).invoke( req ); //Now get the connector connector.getClass().getMethod( "setUseBodyEncodingForURI", new Class[] {boolean.class} ).invoke( connector, Boolean.TRUE ); } catch( NoSuchFieldException e ) { log.log( Level.WARNING, "Servlet container does not seem to be Tomcat, cannot programatically alter character encoding. Do this in the Server.xml <Connector> attribute instead." ); } catch( Exception e ) { log.log( Level.WARNING, "Could not setUseBodyEncodingForURI to true on connector" ); } } chain.doFilter( request, response ); } public void destroy() {} </code></pre> <p>}</p>

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