If you look at your code you'll see that you are mistakenly casting the
request object to a response object. Check out this line of your code:
HttpServletResponse httpResp = (HttpServletResponse) request;
It should be
HttpServletResponse httpResp = (HttpServletResponse)
response;
Stephen
On Fri, Apr 29, 2011 at 11:45 AM, Spektrum <[email protected]> wrote:
> I was writing a filter, which would check the if the user is
> authorized and only then redirect him or her to the traget service to
> get rid of auth check in each servlet. When I start development server
> I get the following exception : "java.lang.ClassCastException:
> org.mortbay.jetty.Request cannot be cast to
> javax.servlet.http.HttpServletResponse".
>
> My filter method looks like this :
>
> @Override
> public void doFilter(ServletRequest request, ServletResponse
> response,
> FilterChain chain) throws IOException,
> ServletException {
> HttpServletRequest httpReq = (HttpServletRequest) request;
> HttpServletResponse httpResp = (HttpServletResponse)
> request;
> HttpSession session = httpReq.getSession();
>
> httpReq.setCharacterEncoding("UTF-8");
> httpResp.setCharacterEncoding("UTF-8");
> httpResp.setContentType("application/json");
>
> Boolean isAuthorized = (Boolean)
> session.getAttribute("isAuthorized");
>
> if (!isAuthorized || isAuthorized == null) {
>
> httpResp.sendError(HttpServletResponse.SC_UNAUTHORIZED);
> } else {
> chain.doFilter(request, response);
> }
> }
>
> As far as I remember such approach should work fine. Why does it fail
> in my case?
>
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