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From mischa o <>
Subject Action class time out logic
Date Wed, 18 Jun 2003 22:58:50 GMT
Hi Guys:
 I have an action class that delegate to the business layer for processing. Sometimes it takes
a long time to do the processing. I would like to have a timeout of say 2 minutes, I couldnot
implement the timeout in the jsp page, because it is the action class which is doing the processing
logic and until the execute method returns, the jsp is never executed. So How could i implement
the time out in the action class.
I tried to implement a timer using the timer class. but still it doesnot work, the response
is not flushed  until the execute method returns, that means the time it take to finish the
processing of the business logic. 
-- code for timer--
new TimerTask(){
      System.out.println("timer ended");
      ActionErrors errors = new ActionErrors();
      errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.timeout"));
      if (!errors.isEmpty())
           request.setAttribute(Globals.ERROR_KEY, errors);
        PrintWriter out = response.getWriter();
//        response.sendRedirect(request.getContextPath());
//        response.flushBuffer();
        System.out.println("send to browser");
      catch(IOException ex)
        System.out.println("IO EXCEPTION");
even though i did write something to the response stream, the response is not send until the
execute method returns. any ideas why?
I believe someone might have done this and could help out . 
Thank you for your time and effort. a sample code will be greatly appreciated

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