Revert "add RedirectServlet"

This reverts commit a1f7ede0c28e0f2543d5a6cb66f80109d3a4125b.
Revert "Revert "add RedirectServlet""

This reverts commit c1353baef53c2b0b0b75bf0436eef325752a1682.
Revert "add RedirectServlet"

This reverts commit a1f7ede0c28e0f2543d5a6cb66f80109d3a4125b.
add code
rebuild project
rebuild project