Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986

Type Exception Report

Message Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986

Description The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).

Exception

java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986

    @Override
    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) {

        try {
            req.setCharacterEncoding("UTF-8");
        } catch (UnsupportedEncodingException ex) {
            Logger.getLogger(UserFilter.class.getName()).log(Level.SEVERE, null, ex);
        }

        HttpServletRequest httpRequest = (HttpServletRequest) req;

        try {
            httpRequest.setCharacterEncoding("utf-8");
        } catch (UnsupportedEncodingException ex) {
            Logger.getLogger(UserFilter.class.getName()).log(Level.SEVERE, null, ex);
        }

<Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
            relaxedPathChars="[]|"
            relaxedQueryChars="[]|{}^&#x5c;&#x60;&quot;&lt;&gt;"
            URIEncoding="UTF-8"
            useBodyEncodingForURI="true"
               redirectPort="8443" />