response sendRedirect from Servlet to JSP does not seem to work

Question

I am writing a client server program  I am sending an arraylist from an android phone and I am able to receive the list also  After that I want the servlet to redirect to demo jsp using response sendRedirect    but it just won t redirect  Tried with requestDispatcher forward   too    ObjectInputStream in   new ObjectInputStream  InputStream  request getInputStream     List lt Double gt  al  List lt Double gt  in readObject    in close    for int x 0 x lt al size   x          System out println  List        System out println al get x      System out println  going to demo jsp    response sendRedirect  demo jsp      How is this caused and how can I solve it

User · Answer

I m posting this answer because the one with the most votes led me astray   To redirect from a servlet  you simply do this   response sendRedirect  simpleList do     In this particular question  I think  M-D is correctly explaining why the asker is having his problem  but since this is the first result on google when you search for  Redirect from Servlet  I think it s important to have an answer that helps most people  not just the original asker

User · Answer

You can use this   response sendRedirect String format   s s   request getContextPath      views equipment createEquipment jsp       The last part is your path in your web-app

User · Answer

Since you already have sent some data    System out println  going to demo jsp      you won t be able to send a redirect

User · Answer

Instead of using   response sendRedirect   demo jsp      Which does a permanent redirect to an absolute URL path    Rather use RequestDispatcher  Example   RequestDispatcher dispatcher   request getRequestDispatcher  demo jsp    dispatcher forward request  response

[redirect] response.sendRedirect() from Servlet to JSP does not seem to work

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