Re: problem to connect to database

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: Melanie Bergeron <mbergeron_pg(at)globeecom(dot)com>
Cc: "pgsql-jdbc(at)postgresql(dot)org" <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: problem to connect to database
Date: 2004-01-15 16:09:50
Message-ID: 1074182989.1603.19.camel@localhost.localdomain
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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>");
> }
>
>
>
>
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>
--
Dave Cramer
519 939 0336
ICQ # 1467551

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