Calling a method from another servlet? very beginner

Question

I am going to try to explain what I want to do so just be patient please.
I want to call a method in a seperate servlet to connect and release my connection pool - How do I do this?
This is what I have been trying... help
dbPOOL.class
package DATABASE;
import javax.naming.*;
import javax.sql.*;
import java.sql.*;
import java.util.*;
public class dbPOOL {
  Connection con;
  private boolean conFree = true;
  private String dbName = "java:comp/env/jdbc/connectDB";
  public dbPOOL() throws Exception {
       try  {              
                InitialContext ic = new InitialContext();
                DataSource ds = (DataSource) ic.lookup(dbName);
                con =  ds.getConnection();    
     } catch (Exception ex) { throw new Exception("Couldn't open connection to database: " + ex.getMessage());
  public void remove () {
         try {
             con.close();
        } catch (SQLException ex) { System.out.println(ex.getMessage());}
  protected synchronized Connection getConnection() {
         while (conFree == false) {
                 try {
                         wait();
                 } catch (InterruptedException e) {
              conFree = false;
              notify();
              return con;
    protected synchronized void releaseConnection() {
        while (conFree == true) {
                 try {
                    wait();
                 } catch (InterruptedException e) {
              conFree = true;
              notify();
}and my worker servlet connTest
package DATABASE;
import javax.naming.*;
import javax.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;
import java.util.*;
public class connTest extends HttpServlet {  
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, SQLException, IOException {
         try {
                String selectStatement = "select * " + "from mt.Evendale_Web_Groups";
                getConnection();
                PreparedStatement prepStmt = con.prepareStatement(selectStatement);
                ResultSet rs = prepStmt.executeQuery();
                while (rs.next()) {
                   groupList gl = new groupList(rs.getString(1), rs.getString(2), rs.getString(3));
                prepStmt.close();
        } catch (SQLException ex) { throw Exception(ex.getMessage());}
            releaseConnection();
}When I try to compile the connTest servlet - I keep getting cannot find symbols errors on the methods. How do I fix this?

Answer 1

Which errors exactly?
Try something like this:
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
dbPOOL db = null;     
try {               
String selectStatement = "select * " + "from mt.Evendale_Web_Groups";
db = new dbPOOL();        
Connection con = db.getConnection();               
PreparedStatement prepStmt = con.prepareStatement(selectStatement);               
ResultSet rs = prepStmt.executeQuery();               
while (rs.next()) {                                    
   // process your rs                      
prepStmt.close();           
} catch (Exception ex) {
} finally {
    if (db != null)
         db.releaseConnection();             
}Simply change the package name to something else. But don't forget to import your dbPOOL class since it is now located in a diff package. Also be aware of coding standards when naming your classes and packages.