Hi all,
Hope someone will be able to help me.
I have a default html page with a login. When submitted, the following
servlet doPost is in charge of
1) generating the Bean which will create the needed results for JSP
2) forward to the appropriate JSP Page.
I am running on NT, Java 2 and JSWDK 1.01
The problem is :
When doPost is called, the system crashed (Dr Watson) when it reaches
rd.forward(req,res).
All the code linked to the HelperBean has been tested separately and is ok.
The target page ("home.jsp") is in examples/jsp/BugTrackerJSP/home.jsp
and the url used for the request dispatcher is :
/jsp/BugTrackerJSP/home.jsp
Can someone help with this forward problem?
Thanks for replying directly to my email address.
Bertrand
--------------------------------------------------------
Here is some code from my servlet.
public synchronized void doPost (HttpServletRequest req,HttpServletResponse
res) throws ServletException,IOException {
res.setContentType("text/html");
String command = req.getQueryString();
Hashtable parms = new Hashtable(20);
String parmName;
String parmValue;
session = req.getSession(true);
HelperBean hb;
Hashtable results;
// get the parameters
for (Enumeration e =
req.getParameterNames();e.hasMoreElements();) {
parmName = (String) e.nextElement();
parmValue = req.getParameter(parmName);
parms.put(parmName,parmValue);
}
//determine the command
if (parms.get("Transaction")!=null) {
command = (String)parms.get("Transaction");
}
//get the Helping JavaBeans
// return the class to instantiate
String helperBeanName =
utilities.ResourcesManager.getResource(command);
try {
Class c = Class.forName(helperBeanName);
hb = (HelperBean)c.newInstance();
// send the parameter to HelperBean
results = hb.execute(parms);
// results should contain target(JSP) and Vector for
target
session.putValue("INResults",results);
String url = (String)results.get("JSPTarget");
System.out.println("Target received : "+url);
ServletContext sc = getServletContext();
System.out.println("Context get");
RequestDispatcher rd = sc.getRequestDispatcher(url);
System.out.println("dispatcher received");
rd.forward(req,res);
System.out.println("forward done");
} catch (ClassNotFoundException cne) {
error(cne.getMessage());
} catch (InstantiationException ie) {
error(ie.getMessage());
} catch (IllegalAccessException iae) {
error(iae.getMessage());
}
}
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