See
http://tomcat.apache.org/tomcat-6.0-doc/deployer-howto.html#A%20word%20on%20Contexts
Tomcat makes a copy of your META-INF/context.xml when the application
is deployed, and will not see changes to that file unless you fully
undeploy and redeploy your application.
2009/7/19 Lucas Vickers <lucasvick...@gmail.com>:
> woops, email was sent prematurely
>
> anyway, the full email:
>
> META-INF/context.xml :
>
> <Resource
> name="jdbc/tabscorp_tabsdb"
> auth="Container"
> type="javax.sql.DataSource"
> maxActive="100" maxIdle="30" maxWait="10000"
> username="mylogin" password="mypass"
> driverClassName="com.mysql.jdbc.Driver"
> logAbandoned="true" removeAbandoned="true"
> removeAbandonedTimeout="60"
> url="jdbc:mysql://localhost:3306/mydb?autoReconnect=true"/>
>
> WEB-INF/web.xml :
>
> <resource-ref>
> <description>TABS DB Connection</description>
> <res-ref-name>jdbc/tabscorp_tabsdb</res-ref-name>
> <res-type>javax.sql.DataSource</res-type>
> <res-auth>Container</res-auth>
> </resource-ref>
>
>
> Java Code:
>
> InitialContext cxt = new InitialContext();
> if ( cxt == null ) {
> throw new Exception("InitialContext is NULL");
> }
>
> DataSource ds = (DataSource) cxt.lookup(
> "java:/comp/env/jdbc/tabscorp_tabsdb" );
> if ( ds == null ) {
> throw new Exception("Data source not found");
> }
>
> Connection conn = ds.getConnection();
> if ( conn == null) {
> throw new Exception("Connection is null");
> }
>
> stmt = connection.createStatement();
>
>
> I am getting a conn == null , but no other information, so I am having
> trouble debugging.
> suggestions?
>
> thanks
>
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