How to send an authentication error from a servlet?

1.	How to send an authentication error from a servlet?
Answer» We can use setStatus(statuscode) method of HttpServletResponse to send an authentication error. // Set error code and reason.response.sendError(407, "Need authentication!!!" );

Answer»

We can use setStatus(statuscode) method of HttpServletResponse to send an authentication error.

// Set error code and reason.response.sendError(407, "Need authentication!!!" );

Discussion