Re: problem to connect to database - Mailing list pgsql-jdbc

From Dave Cramer
Subject Re: problem to connect to database
Date
Msg-id 1074182989.1603.19.camel@localhost.localdomain
Whole thread Raw
In response to problem to connect to database  (Melanie Bergeron <mbergeron_pg@globeecom.com>)
Responses Re: problem to connect to database
List pgsql-jdbc
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
tocause 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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