parseInt in servlets

[miko5054]

im trying to parse int a request from a form "a user id"

    	id = Integer.parseInt((request.getParameter("id")));

but im receiving exception

   org.apache.jasper.JasperException: java.lang.Integer cannot be cast to java.lang.String

thanks
miki

UPDATE:
the mistake was on another jsp.....

[venerik]

Hi miki,

What is the type of id left of the equals sign? And what kind of type does request.getParameter("id") return?

Erik

[miko5054]

int id; // id is int

and the requset is String according to the servlets api...

[venerik]

Are you sure the problem is in the quoted line then? Maybe you could post some more source code?

[miko5054]

this is the servlet

  import il.co.mbank.actions.AdminActions;
import il.co.mbank.exceptions.MBankException;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import mBank.MBank;

public class Login extends HttpServlet {
	private static final long serialVersionUID = 1L;

	public Login() {

	}

	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		doPost(request, response);
	}

	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		AdminActions adminActions = new AdminActions();
		MBank bank = null;

		try {
			bank = new MBank();
		} catch (MBankException e2) {
			// TODO Auto-generated catch block
			e2.printStackTrace();
		}

		String ids = request.getParameter("id");
		int id = Integer.parseInt((ids));
		String password = request.getParameter("password");

		// validate id and password ...
		System.out.println("*****id=" + id + "*****");
		System.out.println("*****password=" + password + "*****");
		// TODO

//		 if (!Utils.isNumeric(id)) {
//		 response.sendRedirect("errors/login_error.jsp");
//		 return;
//		 } else
		try {

			if (adminActions.checkLoginAdmin(password, id)) {
				HttpSession session = request.getSession(true);
				session.setAttribute("id", id);
				// getServletContext().getRequestDispatcher("/admin.jsp").forward(request,
				// response);
				response.sendRedirect("admin.jsp");
			} else if (bank.checkLogin(id, password)) {

				HttpSession session = request.getSession(true);
				session.setAttribute("id", id);
				response.sendRedirect("client.jsp");
			} else {
				response.sendRedirect("errors/login_error.jsp");
			}
		} catch (MBankException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

	{

	}

}

stack trace

 29/10/2010 20:51:51 org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
	at org.apache.jsp.admin_jsp._jspService(admin_jsp.java:52)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:308)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:259)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	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:213)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
	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:174)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879)
	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:689)
	at java.lang.Thread.run(Thread.java:636)

[venerik]

Hi Miki,

Has the problem been solved then (according to your update on you initial post)?

If so, alter the title of this thread to start with [SOLVED]. I think there is an option in the thread menu for that.

Erik