java debug code

Alternative approach

=====================

public ActionForward execute(

    ActionMapping mapping,

    ActionForm form,

    HttpServletRequest request,

    HttpServletResponse response) throws Exception {

    

    String symbol = request.getParameter("symbol");

    System.out.println("Symbol received: " + symbol);

    

    String stockName = getStockNameFromDB(symbol);

    System.out.println("Stock name found: " + stockName);

    

    // Just return the stock name as plain text

    response.setContentType("text/plain;charset=UTF-8");

    response.setHeader("Cache-Control", "no-cache");

    

    PrintWriter out = response.getWriter();

    out.print(stockName);

    out.flush();

    

    return null;

}

function processStateChange(req) {

    console.log("ReadyState:", req.readyState);

    

    if (req.readyState == 4) { // Complete

        if (req.status == 200) { // OK response

            console.log("Ajax response:", req.responseText);

            

            // Directly set the input field value

            var stockNameInput = document.getElementById('sname');

            if (stockNameInput) {

                stockNameInput.value = req.responseText;

                console.log("Stock name updated to:", req.responseText);

            } else {

                console.error("Input field 'sname' not found!");

            }

            

        } else {

            alert("Problem with server response:\n " + req.statusText);

        }

    }

}