no message

src/main/java/cokr/xit/base/ResponseHeaderFilter.java

@@ -7,6 +7,7 @@ import javax.servlet.FilterChain;
 import javax.servlet.ServletException;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
+import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpServletResponseWrapper;
 
@@ -28,6 +29,19 @@ public class ResponseHeaderFilter implements Filter {
 
 		chain.doFilter(request, new HttpServletResponseWrapper((HttpServletResponse) response) {
 
+			@Override
+			public void addCookie(Cookie cookie) {
+
+				if(cookie.getValue().equals("") && cookie.getMaxAge() == 0) {
+					cookie.setValue("null");
+				}
+
+				cookie.setHttpOnly(true);
+
+				super.addCookie(cookie);
+
+			}
+
 			@Override
 			public void setContentType(String type) {
 				if(type.equals("text/css")