JDBC - Timeout utility

Java program to determine a lost/invalid jdbc connection between 2 servers over a period of time.

import java.sql.*;

import oracle.jdbc.OracleStatement;


public class Test2 {
 public static void main(String[] args) {

  String url = "jdbc:oracle:thin:@<server-name>:<listener-port>:<db-service-name>";
  String user = "a";
  String password = "b";


  try {
   DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
   Connection conn = DriverManager.getConnection(url, user, password);

   Thread.currentThread().sleep(60 * 1000*60*2);

   Statement stmt = conn.createStatement();
   ResultSet rset = stmt.executeQuery("select *  from table");
   while (rset.next())
    System.out.println(rset.getString(1));

   DatabaseMetaData meta = conn.getMetaData();

   // gets driver info:
   System.out.println("
     =============
     Database Product Name is ... " + 
     meta.getDatabaseProductName());
   System.out.println("
     Database Product Version is " + 
     meta.getDatabaseProductVersion());
   System.out.println("
     =============
     JDBC Driver Name is ........ " + 
     meta.getDriverName());
   System.out.println("
     JDBC Driver Version is ..... " + 
     meta.getDriverVersion());
   System.out.println("
     JDBC URL " + meta.getURL());
     System.out.println("
       =============");

       //get environment info:
       java.util.Properties props = System.getProperties();
       java.util.Enumeration propNames = props.propertyNames();

       StringBuffer path = 
         new StringBuffer(" " + props.getProperty("java.library.path"));
       int idx = 0;

       while (idx < path.length()) {
        idx = path.toString().indexOf(";", idx);

        if (idx == -1)
         break;
        path.replace(idx, ++idx, "
          ");

          idx++;
       }

       StringBuffer classpath = 
         new StringBuffer(" " + props.getProperty("java.class.path"));
       int idx2 = 0;

       while (idx2 < classpath.length()) {
        idx2 = classpath.toString().indexOf(";", idx2);

        if (idx2 == -1)
         break;
        classpath.replace(idx2, ++idx2, "
          ");

          idx2++;
       }

       System.out.println("java runtime Version:  " + 
         props.getProperty("java.runtime.version") + 
         "
         ");
       System.out.println("=============");
       System.out.println("java vm Version:  " + 
             props.getProperty("java.vm.version") + "
             ");
       System.out.println("=============");
       System.out.println("java vm name:  " + 
            props.getProperty("java.vm.name") + "
                 ");
       System.out.println("=============");
       System.out.println("java library path: " + path + "");
       System.out.println("=============");
       System.out.println("java classpath: " + classpath + "");

  } catch (SQLException ex) {
   while (ex != null) {
    System.out.println("SQLState: " + ex.getSQLState());
    System.out.println("Message: " + ex.getMessage());
    System.out.println("Vendor: " + ex.getErrorCode());
    ex.printStackTrace();

    ex = ex.getNextException();
    System.out.println("");
   }
  } catch (Exception e) {
   e.printStackTrace();
  }
 } //end of main
}