package **.*****.****.jsf; import jakarta.servlet.*; import jakarta.servlet.annotation.WebFilter; import java.io.IOException; @WebFilter("/*") public class CharsetFilter implements Filter { @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { // HttpServletResponse httpServletResponse = (HttpServletResponse) response; // httpServletResponse.setContentType("text/html; charset=UTF-8"); // httpServletResponse.setCharacterEncoding("UTF-8"); request.setCharacterEncoding("UTF-8"); chain.doFilter(request, response); } }