Re: problem to connect to database

From: Melanie Bergeron <mbergeron_pg(at)globeecom(dot)com>
To: "pgsql-jdbc(at)postgresql(dot)org" <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: problem to connect to database
Date: 2004-01-15 16:38:14
Message-ID: 4006C1F6.1000909@globeecom.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-jdbc

No, I can't :
Connecting To host:5432...Could not open a connection to host on port 23
: Connect failed

What does that mean?

Melanie

Dave Cramer wrote:

>Melanie,
>
>Can you telnet into the connection ?
>
>telnet host:5432
>
>Dave
>On Thu, 2004-01-15 at 10:49, Melanie Bergeron wrote:
>
>
>>Hi all!
>>
>>I really need your help for this. I installed the JDBC driver on my
>>machine by copying the jar file in C:\Program Files\Apache Software
>>Foundation\Tomcat 5.0\common\lib\pg73jdbc3.jar and set environment
>>variable CLASSPATH to this path. I create a JSP page (code below).
>>The first time I launched this JSP page, all was ok. I don't use it
>>since last week but when I try to launched it yesterday, I got an error
>>to connecting database :
>>
>>Error establishing the connection :
>>Something unusual has occured to cause the driver to fail.
>>Please report this exception: Exception: {0}
>>
>>So, I don't think the error come from my code because it already work with the same code but I don't know what I do to cause this error now.
>>Any help will be greatly appreciated.
>>
>>Melanie
>>
>>
>>-------code for jsp page---------
>><%
>> /* Load the JDBC Driver */
>> try {
>> Class.forName("org.postgresql.Driver");
>> }catch(ClassNotFoundException cnfe) {
>> out.println("<BR>Error loading driver " + cnfe + "<BR>");
>> }
>> /* Define the connection URL */
>> String dbName = "gec_test";
>> String host = "localhost";
>> String postgresqlUrl = "jdbc:postgresql://" + host + "/" + dbName;
>> /* Establish the connection */
>> String username = "bergeron.melanie";
>> String password = "*****";
>> try{
>> Connection connection = DriverManager.getConnection(postgresqlUrl,
>>username, password);
>> ...
>> }
>> connection.close();
>> }catch(SQLException e){
>> out.println("<BR>Error establishing the connection : " + e + "<BR>");
>> }
>>
>>
>>
>>
>>---------------------------(end of broadcast)---------------------------
>>TIP 1: subscribe and unsubscribe commands go to majordomo(at)postgresql(dot)org
>>
>>
>>

In response to

Responses

Browse pgsql-jdbc by date

  From Date Subject
Next Message Jan de Visser 2004-01-15 16:49:26 Re: problem to connect to database
Previous Message Melanie Bergeron 2004-01-15 16:33:31 problem starting postmaster as a service