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POgetJSON() JavaScript function not called
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  1. POgetJSON() JavaScript function not called
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    copied!<p>I am trying to transfer data from a jsp file using a json object.</p> <p>This is my JavaScript code:</p> <pre><code>// action when item file is clicked $("li span.file").click(function(){ // get the ID alert(' Forward the url when clicked WITH ID =&gt; ' + $(this).attr('id')); $.getJSON('BomItemToJSON', function(data) { alert('entered getJSON()'); $.each(data, function(i, item) { alert('entered each()'); var id = item.id; var description = item.description; alert('description: ' + description); formObject = document.forms['itemForm']; formObject.elements['itemId'].value = id; formObject.elements['itemDescription'].value = description; alert('done with javascirpt'); }); }); }); </code></pre> <p>This is my Servlet which should be called by JavaScript:</p> <pre><code>public class BomItemToJSON extends HttpServlet { private static final long serialVersionUID = 1L; @PersistenceContext(unitName = "xxx") public EntityManager em; @Resource UserTransaction utx; Logger logger = Logger.getLogger(this.getClass().getCanonicalName()); protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("bom item to json servlet has been called."); try { utx.begin(); } catch (NotSupportedException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (SystemException e) { // TODO Auto-generated catch block e.printStackTrace(); } //int id = Integer.parseInt(request.getParameter("id")); BomHandling bh = new BomHandling(em, utx); BomItem item = bh.getBomItem(63788); Gson gson = new Gson(); String json = gson.toJson(item); System.out.println("Json: " + json); response.setContentType("text/plain"); response.setCharacterEncoding("UTF-8"); response.getWriter().write(json); try { utx.commit(); } catch (SecurityException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IllegalStateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (RollbackException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (HeuristicMixedException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (HeuristicRollbackException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (SystemException e) { // TODO Auto-generated catch block e.printStackTrace(); } } </code></pre> <p>}</p> <p>This is my web.xml which maps the Servlet:</p> <pre><code> &lt;servlet&gt; &lt;display-name&gt;BomItemToJSON&lt;/display-name&gt; &lt;servlet-name&gt;BomItemToJSON&lt;/servlet-name&gt; &lt;servlet-class&gt;com.xxx.servlets.BomItemToJSON&lt;/servlet-class&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;BomItemToJSON&lt;/servlet-name&gt; &lt;url-pattern&gt;/BomItemToJSON&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; </code></pre> <p>When I click on the item, I get the alert saying "Forward the url when clicked with id". But it seems like that the getJSON() function is not called. Why?</p>
 

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