Обсуждение: JNDI Tomcat and PostgreSQL Error

Hi,

I am getting the following error: java.lang.RuntimeException: Cannot load
JDBC driver class 'org.postgresql.Driver'

when trying to connect to a postgreSQL database using JNDI with Tomcat. My
configuration file and code is below.

try {

            InitialContext context = new InitialContext();
            Context envContext  = (Context)context.lookup("java:/comp/env");
            DataSource dataSource = (DataSource)envContext.lookup("jdbc/eb");
            thisConnection = dataSource.getConnection();

            //Register it, as we now have a connection
            request.setAttribute(ServletUtils.STATEMENT_ATTRIBUTE_NAME, this);
            statement = thisConnection.createStatement();
        } catch (Exception e)

XML:

<Context path="/eBench8" docBase="C:\Documents and
Settings\johara.ETS.000\workspace\eB\eB" debug="1" reloadable="true">
  <Resource name="jdbc/eb" auth="Container" type="javax.sql.DataSource"
driverClassName="org.postgresql.Driver" url="jdbc:postgresql://localhost/eb"
username="user" password="pass" maxActive="40" maxIdle="10" maxWait="1000"
accessToUnderlyingConnectionAllowed="true" />
  </Context>

Does anyone know why I could be getting this error. As far as I know
everything is in its right place. ANy help would be appreciated.

Thanks,
James
--
View this message in context: http://www.nabble.com/JNDI-Tomcat-and-PostgreSQL-Error-tp20945255p20945255.html
Sent from the PostgreSQL - jdbc mailing list archive at Nabble.com.

Basically

    The .jar from postgresql is not loaded.
    Put it inside the tomcat lib dir (not the WEB-INF/lib).

jamesohara escreveu:
> Hi,
>
> I am getting the following error: java.lang.RuntimeException: Cannot load
> JDBC driver class 'org.postgresql.Driver'
>
> when trying to connect to a postgreSQL database using JNDI with Tomcat. My
> configuration file and code is below.
>
> try {
>
>             InitialContext context = new InitialContext();
>             Context envContext  = (Context)context.lookup("java:/comp/env");
>             DataSource dataSource = (DataSource)envContext.lookup("jdbc/eb");
>             thisConnection = dataSource.getConnection();
>
>             //Register it, as we now have a connection
>             request.setAttribute(ServletUtils.STATEMENT_ATTRIBUTE_NAME, this);
>             statement = thisConnection.createStatement();
>         } catch (Exception e)
>
> XML:
>
> <Context path="/eBench8" docBase="C:\Documents and
> Settings\johara.ETS.000\workspace\eB\eB" debug="1" reloadable="true">
>   <Resource name="jdbc/eb" auth="Container" type="javax.sql.DataSource"
> driverClassName="org.postgresql.Driver" url="jdbc:postgresql://localhost/eb"
> username="user" password="pass" maxActive="40" maxIdle="10" maxWait="1000"
> accessToUnderlyingConnectionAllowed="true" />
>   </Context>
>
> Does anyone know why I could be getting this error. As far as I know
> everything is in its right place. ANy help would be appreciated.
>
> Thanks,
> James
>