@Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
            throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        String tenant = request.getHeader(BASIC_AUTH_TENANT_HEADER);
        if (StringUtils.isBlank(tenant)) {
            ((InlongRequestWrapper) servletRequest).addHeader(BASIC_AUTH_TENANT_HEADER, DEFAULT_TENANT);
        }
        filterChain.doFilter(servletRequest, servletResponse);
    }
Empty tenant filter.
Add default tenant to header if the tenant has not been specified.
inlong-manager/manager-web/src/main/java/org/apache/inlong/manager/web/filter/EmptyTenantFilter.java