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Frank

When you say it doesn't compile, what error message do you get. If it's the
code below then you need to comment out the

file://String url = "jdbc:idb=sample.prp"; (geändert in)

line. The commsql url you supplied should be OK. Again, though, I need to
know what error message you're getting.

Regards

Peter Hearty
Lutris Technologies UK Ltd.
-----Original Message-----
From: Frank Mirche <frank.mirche@netcologne.de>
To: Instantdb <instantdb@enhydra.org>
Date: 26 July 2000 18:33
Subject: InstantDB: connection problems


hello,

i'm trying to test the rmi_jdbc sample below but it does not connect to the
database and java will not compile the following syntax:

file://String url = "jdbc:idb=sample.prp"; (changed to)
String url = "jdbc:idb:F:/InstantDB/Examples/sample.prp";

by the way..
when i have to connect to a *.prp on a diffrent drive in commsql
what is the correct syntax ??
Enter the URL for the database:
jdbc:idb:F:/InstantDB/Examples/sample.prp  (does not work)

Thanks Frank



/**
* RmiJdbc client/server JDBC Driver
* (C) GIE Dyade (Groupe BULL / INRIA Research Center) 1997
*
* @version     1.0
* @author      Pierre-Yves Gibello (Pierre-Yves.Gibello@inrialpes.fr)
*/

import java.sql.*;
import java.net.InetAddress;

/**
* This is a sample program for RmiJdbc client/server jdbc Driver
* RmiJdbc relies on Java RMI for jdbc objects distribution
*/
public class TestClient {

  public static void main(String args[]) {

    try {

      // Register RmiJdbc Driver in jdbc DriverManager
      // The call to newInstance() is necessary on some platforms
      // (with some java VM implementations)
      Class.forName("RmiJdbc.RJDriver").newInstance();

      // Test with InstantDB free java database engine
      // See http://www.instantdb.co.uk for info & download
      file://String url = "jdbc:idb=sample.prp"; (geändert in)
String url = "jdbc:idb:F:/InstantDB/Examples/sample.prp";


      // RMI host will point to local host
      // A port number may be specified as 1st argument to the program

      String portSpec = "";
      if(args.length > 0) {
        Integer.parseInt(args[0]); // Check port number is an integer
        portSpec = new String(":" + args[0]);
      }

      String rmiHost = new String(
       "//" + InetAddress.getLocalHost().getHostName() + portSpec);

      // RmiJdbc URL is of the form:
      // jdbc:rmi://<rmiHostName[:port]>/<jdbc-url>

      String jurl = "jdbc:rmi:" + rmiHost + "/" + url;
      System.out.println("TestClient:" + jurl);
      Connection c = DriverManager.getConnection(jurl);

      Statement st = c.createStatement();
      ResultSet rs = st.executeQuery("select * from import1");

      ResultSetMetaData md = rs.getMetaData();
      while(rs.next()) {
        System.out.print("\nTUPLE: | ");
        for(int i=1; i<= md.getColumnCount(); i++) {
          System.out.print(rs.getString(i) + " | ");
        }
      }

      rs.close();

    } catch(Exception e) {
      e.printStackTrace();
    }
  }
};

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