i made sample servlet that invoking 10 servlets program with ServletContext.
Below lines is a part of sample servlet source code...
-----------------------------------------------
RequestDispatcher[] dispatcher = new RequestDispatcher[10];
  ServletContext context = getServletContext();
  dispatcher[0] = context.getRequestDispatcher("/servlet/WorkingServlet1");
  dispatcher[1] = context.getRequestDispatcher("/servlet/WorkingServlet2");
  dispatcher[2] = context.getRequestDispatcher("/servlet/WorkingServlet3");
  dispatcher[3] = context.getRequestDispatcher("/servlet/WorkingServlet4");
  dispatcher[4] = context.getRequestDispatcher("/servlet/WorkingServlet5");
  dispatcher[5] = context.getRequestDispatcher("/servlet/WorkingServlet6");
  dispatcher[6] = context.getRequestDispatcher("/servlet/WorkingServlet7");
  dispatcher[7] = context.getRequestDispatcher("/servlet/WorkingServlet8");
  dispatcher[8] = context.getRequestDispatcher("/servlet/WorkingServlet9");
  dispatcher[9] = context.getRequestDispatcher("/servlet/WorkingServlet10");

WorkingThread[] thread = new WorkingThread[10];

  for (int i = 0;i < DISPATCHER_SIZE;i++)
  {
   thread[i] = new WorkingThread(req, res, dispatcher[i]);
   thread[i].start();
  }
----------------------------------------------------------------
WorkingThead.java  is.....

public class WorkingThread extends Thread
{
 private HttpServletRequest req = null;
 private HttpServletResponse res = null;
 private RequestDispatcher dispatcher = null;

 public WorkingThread(HttpServletRequest req, HttpServletResponse res,
   RequestDispatcher dispatcher)
 {
  this.req = req;
  this.res = res;
  this.dispatcher = dispatcher;
 }

 public void run()
 {
  try
  {
   if(dispatcher != null)
    dispatcher.include(req, res);
   else
    System.out.println("dispatch is null");
  }
  catch(Exception e) {System.err.println(e);}
 }
}
----------------------------------------------------------------------------
you can easily understand source.
First servlet source make 10 WorkingThread and start them.
WorkingThread class only excutes dispatcher.include().
But ServletContext cannot find or initialize all WorkingServletX but
only one or two WorkingServletX.
WorkingServletX writes some words which not important through
PrintWirter.
After WorkingServletX do not close PrintWriter after writing some words .

i cannot understand why all WorkingServletX are not initialize and
not be executed.

In JSDK2.1......All about things above is working with no problem...
ONLY JRun has problem........

Help me......??!?!?!?!?!?!?!?!?!???

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