Hi ,
I have a GWT Client , which is calling JDBC Code on server .
The problem is that the after executing the method , AsyncCallback's
success nor the failure is not being getting called , please help
This is my EntryPoint class :
Panel panel = RootPanel.get();
final ListBox lb = new ListBox();
lb.addItem("One");
panel.add(lb);
lb.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
loadCampaignList();
}
public void loadCampaignList() {
inter.getInfo1(new
AsyncCallback<ArrayList<MyBean>>() {
public void
onSuccess(ArrayList<MyBean> result)
{
System.out.println("Into success")
}
public void
onFailure(Throwable caught) {
System.out.println(caught.getMessage());
}
});
This is my Server side implementation code , which is working fine
public class CInterfaceImpl extends RemoteServiceServlet implements
CInterface {
public static ArrayList<MyBean> list1Elem;
public ArrayList<MyBean> getInfo1() {
list1Elem = new ArrayList<MyBean>();
System.out.println("Sai Naaaatha");
Connection con = null;
String url = "jdbc:mysql://localhost:3306/";
String db = "test";
String driver = "com.mysql.jdbc.Driver";
String user = "root";
String pass = "root";
try {
Class.forName(driver);
con = DriverManager.getConnection(url + db, user, pass);
Statement st = con.createStatement();
ResultSet rs = st.executeQuery("select First , Second
from POC");
while (rs.next()) {
System.out.println("Into the rs.next
conditin33");
MyBean bean = new MyBean();
bean.setFirst(rs.getInt(1));
bean.setFirst(rs.getInt(2));
list1Elem.add(bean);
}
Iterator itr4 = list1Elem.iterator();
while (itr4.hasNext()) {
MyBean ban = (MyBean) itr4.next();
System.out.println(ban.getFirst());
System.out.println(ban.getSecond());
}
con.close();
} catch (Exception ex) {
System.out.print(ex.getMessage());
}
return list1Elem;
}
}
This is my DTO
package com.server;
import java.io.Serializable;
import com.google.gwt.user.client.rpc.IsSerializable;
public class MyBean implements IsSerializable{
public MyBean()
{
}
private int First ;
public int getFirst() {
return First;
}
public void setFirst(int first) {
First = first;
}
public int getSecond() {
return Second;
}
public void setSecond(int second) {
Second = second;
}
private int Second ;
}
Please help . Thanks .
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