if (tempPath != null) {
            System.setProperty(JAVA_IO_TMPDIR, tempPath);
        }

        final TomcatBoot tomcatBoot = new FessBoot(getPort(), getContextPath()) //
                .useTldDetect(); // for JSP
        final String varPath = System.getProperty(FESS_VAR_PATH);
        if (varPath != null) {

String type = request.getParameter("type");
StringBuilder redirectPage = new StringBuilder();
redirectPage.append(((jakarta.servlet.http.HttpServletRequest)request).getContextPath());
if("systemError".equals(type)) {
	if(requestUri != null && !requestUri.endsWith("systemError")) {
		redirectPage.append("/error/systemerror/");
		response.sendRedirect(redirectPage.toString());
	} else {

String type = request.getParameter("type");
StringBuilder redirectPage = new StringBuilder();
redirectPage.append(((jakarta.servlet.http.HttpServletRequest)request).getContextPath());
if("systemError".equals(type)) {
	if(requestUri != null && !requestUri.endsWith("systemError")) {
		redirectPage.append("/error/systemerror/");
		response.sendRedirect(redirectPage.toString());
	} else {

                req.setCharacterEncoding(entry.getValue());
                final StringBuilder locationBuf = new StringBuilder(1000);
                final String contextPath = servletContext.getContextPath();
                if (StringUtil.isNotBlank(contextPath) && !"/".equals(contextPath)) {
                    locationBuf.append(contextPath);
                }
                locationBuf.append('/');

            throw new IllegalArgumentException(msg);
        }
        final StringBuilder sb = new StringBuilder();
        LaRequestUtil.getOptionalRequest().map(HttpServletRequest::getContextPath).filter(s -> s.length() > 1).ifPresent(s -> sb.append(s));
        sb.append(input);
        if (input.indexOf('?') == -1) {
            try {
                final Long value = resourceHashCache.get(input);