package com.wrox.tourism.db.util;import javax.servlet.http.HttpServlet;import javax.servlet.ServletConfig;import javax.servlet.ServletException;import java.sql.SQLException;import java.sql.Connection;import javax.sql.DataSource;import org.apache.struts.util.GenericDataSource;public class DBInitServlet extends HttpServlet {  public void init(ServletConfig config) throws ServletException {    super.init(config);    try {      GenericDataSource ds = new GenericDataSource();      ds.setDriverClass(getInitParameter("driverClass"));      ds.setUrl(getInitParameter("jdbcURL"));      ds.setMinCount(Integer.parseInt(getInitParameter("minCount")));      ds.setMaxCount(Integer.parseInt(getInitParameter("maxCount")));      ds.setAutoCommit(false);      ds.open();      ConnectionPool.init(ds);    } catch (SQLException e) {      e.printStackTrace();      throw new ServletException("Unable to open datasource.");    }  }}