CORSFilter.java

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebFilter("/*")
public class CORSFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletResponse res = (HttpServletResponse) response;
        HttpServletRequest servletRequest = (HttpServletRequest) request;
        res.setHeader("Access-Control-Allow-Origin", "*");
        res.setHeader("Access-Control-Allow-Headers", "origin, content-type, accept, Authorization, request-url, tenant");
        res.setHeader("Access-Control-Allow-Credentials", "true");
        res.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS, HEAD");
        res.setHeader("Access-Control-Max-Age", "1209600");
        chain.doFilter(request, response);
    }

    @Override
    public void destroy() {

    }
}