I am stuckup in this issue for a week.Please help me with someone on this please.
Frank W. Zammetti wrote: > > Something is wrong in your JSP... looks like that stack trace was cut off, > but your beyond the AJAX parts at this point, you need to find the error > in your JSP. > > -- > Frank W. Zammetti > Founder and Chief Software Architect > Omnytex Technologies > http://www.omnytex.com > AIM/Yahoo: fzammetti > MSN: [EMAIL PROTECTED] > Author of "Practical Ajax Projects With Java Technology" > (2006, Apress, ISBN 1-59059-695-1) > and "JavaScript, DOM Scripting and Ajax Projects" > (2007, Apress, ISBN 1-59059-816-4) > Java Web Parts - http://javawebparts.sourceforge.net > Supplying the wheel, so you don't have to reinvent it! > > On Tue, September 11, 2007 2:25 pm, aarthy wrote: >> >> Frank, >> >> I tried forwarding it to a jsp page ShowCharacters.jsp >> >> <select name="TVShowSelect"> >> <%int i = 0; >> ArrayList ch = (ArrayList) >> request.getSession().getAttribute("characters"); >> String[] s = new String[ch.size()]; >> ch.toArray(s); >> for (Iterator it = s.length; it.hasNext();) { >> String name = (String)it.next(); >> %> >> <option><%=name%></option> >> </select> >> >> public ActionForward execute(ActionMapping mapping, ActionForm inForm, >> HttpServletRequest request, HttpServletResponse response) throws >> Exception >> { >> >> String tvShow = (String)request.getParameter("tvShow"); >> if (tvShow == null) { >> tvShow = ""; >> } >> ArrayList characters = getCharacters(tvShow); >> request.getSession().setAttribute("characters", >> characters); >> response.setContentType("text/html"); >> return mapping.findForward("success"); >> } // E >> But when I select some value from the first combo box(TVShowSelect),I get >> the message Problem:Internal Server Error. >> IN the logs,I get the following error message >> >> Servlet.service() for servlet jsp threw exception >> org.apache.jasper.JasperException: Unable to compile class for JSP: >> >> >> >> >> Stacktrace: >> at >> org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85) >> at >> org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330) >> at >> org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:435) >> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:298) >> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:277) >> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:265) >> at >> org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564) >> at >> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:299) >> at >> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315) >> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691) >> at >> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469) >> at >> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403) >> at >> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) >> at >> org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063) >> at >> org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386) >> at >> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229) >> at >> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194) >> at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151) >> at >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870) >> at >> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) >> at >> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) >> at >> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) >> at >> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685) >> at java.lang.Thread.run(Thread.java:619) >> >> Can you please post the coding here? >> >> Thanks >> >> >> >> Frank W. Zammetti wrote: >>> >>> Simply forward to a JSP and render your output there, same as any Struts >>> Action. It can be XML, JSON, HTML, some custom format, whatever. I >>> wish >>> I had written that article showing that in the first place since this is >>> a >>> question that gets asked all the time, but I thought this was simpler >>> (one >>> less bounce to follow the ball through), but in retrospect.. :( >>> >>> Frank >>> >>> -- >>> Frank W. Zammetti >>> Founder and Chief Software Architect >>> Omnytex Technologies >>> http://www.omnytex.com >>> AIM/Yahoo: fzammetti >>> MSN: [EMAIL PROTECTED] >>> Author of "Practical Ajax Projects With Java Technology" >>> (2006, Apress, ISBN 1-59059-695-1) >>> and "JavaScript, DOM Scripting and Ajax Projects" >>> (2007, Apress, ISBN 1-59059-816-4) >>> Java Web Parts - http://javawebparts.sourceforge.net >>> Supplying the wheel, so you don't have to reinvent it! >>> >>> On Tue, September 11, 2007 11:46 am, aarthy wrote: >>>> >>>> Hi, >>>> >>>> In the below code,how can I avoid the HTML coding in the action >>>> class?(http://www.omnytex.com/articles/xhrstruts/xhrstruts.zip) >>>> I tried many different codings,but everything failed. >>>> >>>> public class Example3GetCharactersAction extends Action { >>>> >>>> >>>> public ActionForward execute(ActionMapping mapping, ActionForm >>>> inForm, >>>> HttpServletRequest request, HttpServletResponse response) throws >>>> Exception >>>> { >>>> >>>> // Get a list of characters associated with the select TV show >>>> String tvShow = (String)request.getParameter("tvShow"); >>>> if (tvShow == null) { >>>> tvShow = ""; >>>> } >>>> ArrayList characters = getCharacters(tvShow); >>>> >>>> // And yes, I know creating HTML in an Action is generally very bad >>>> form, >>>> // but I wanted to keep this exampel simple. >>>> String html = "<select name=\"CharactersSelect\">"; >>>> int i = 0; >>>> for (Iterator it = characters.iterator(); it.hasNext();) { >>>> String name = (String)it.next(); >>>> i++; >>>> html += "<option value=\"" + i + "\">" + name + "</option>"; >>>> } >>>> html += "</select>"; >>>> >>>> // Write the HTML to response >>>> response.setContentType("text/html"); >>>> PrintWriter out = response.getWriter(); >>>> out.println(html); >>>> out.flush(); >>>> >>>> return null; // Not forwarding to anywhere, response is >>>> fully-cooked >>>> >>>> } // End execute() >>>> >>>> >>>> // This method returns a list of characters for a given TV show. If >>>> no >>>> TV >>>> // show is selected, i.e., initial page view, am empty ArrayList is >>>> returned. >>>> private ArrayList getCharacters (String tvShow) { >>>> >>>> ArrayList al = new ArrayList(); >>>> >>>> if (tvShow.equalsIgnoreCase("StarTrekTNG")) { >>>> al.add("Jean Luc Picard"); >>>> al.add("William T. Riker"); >>>> al.add("Data"); >>>> al.add("Deanna Troi"); >>>> al.add("Geordi LaForge"); >>>> } >>>> >>>> if (tvShow.equalsIgnoreCase("Babylon5")) { >>>> al.add("John Sheridan"); >>>> al.add("Delenn"); >>>> al.add("Londo Mollari"); >>>> al.add("Stephen Franklin"); >>>> al.add("Vir Cotto"); >>>> } >>>> >>>> if (tvShow.equalsIgnoreCase("StargateSG1")) { >>>> al.add("Samantha Carter"); >>>> al.add("Jack O'Neil"); >>>> al.add("Teal'c"); >>>> al.add("Daniel Jackson"); >>>> al.add("Baal"); >>>> } >>>> >>>> return al; >>>> >>>> } // End getCharacters() >>>> >>>> Thanks. >>>> >>>> -- >>>> View this message in context: >>>> http://www.nabble.com/Ajax-using-XMLHttpRequest-and-Struts-tf4423481.html#a12617736 >>>> Sent from the Struts - User mailing list archive at Nabble.com. >>>> >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>>> For additional commands, e-mail: [EMAIL PROTECTED] >>>> >>>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/Ajax-using-XMLHttpRequest-and-Struts-tf4423481.html#a12620775 >> Sent from the Struts - User mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/Ajax-using-XMLHttpRequest-and-Struts-tf4423481.html#a12624412 Sent from the Struts - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
