Normally it's InitialContext initContext=new InitialContext(); DataSource ds = (DataSource) envCtx.lookup("java:/comp/env/jdbc/art");
I have the same problem. I tried to move my ressources declaration from the context to the <GlobalNamingResources>. And it doesn't work ??? ----- Original Message ----- From: "Roberts, Eric" <[EMAIL PROTECTED]> To: "Tomcat Users List" <[EMAIL PROTECTED]> Sent: Thursday, December 05, 2002 9:45 AM Subject: RE: java.sql.SQLException: Cannot load JDBC driver class 'null' Roberto, How are you instantiating your datasource? You need something like: import javax.naming.Context; import javax.naming.InitialContext; . . . ctx = new InitialContext(); Context envCtx = (Context) ctx.lookup("java:/comp/env/"); DataSource ds = (DataSource) envCtx.lookup("/jdbc/art"); Hope this helps. -----Original Message----- From: Roberto Bouza [mailto:[EMAIL PROTECTED]] Sent: Mittwoch, 04. Dezember 2002 23:05 To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: java.sql.SQLException: Cannot load JDBC driver class 'null' Hi. I think I have all the configuration fine, but for some reason when my DBTest try to get the connection from the DB I only get this: ----------------------------- ERRORS start ------------------------ java.sql.SQLException: Cannot load JDBC driver class 'null' at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSourc e.java:529) at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.j ava:312) at poseidon.ext.DBTest.init(DBTest.java:27) ------------------------------ ERRORS end ------------------------- What's done: 1.) In the $CATALINA_HOME/common/lib I have postgresql.jar (PostgreSQL Driver), commons-collections.jar, commons-pool.jar, commons-dbcp.jar 2.) My server.xml: --------------- SERVER XML starts ------------------------ <Resource name="jdbc/art" auth="Container" type="javax.sql.DataSource"/> <ResourceParams name="jdbc/art"> <parameter> <name>factory</name> <value>org.apache.commons.dbcp.BasicDataSourceFactory</value> </parameter> <parameter> <name>driverClassName</name> <value>org.postgresql.Driver</value> </parameter> <parameter> <name>url</name> <value>jdbc:postgresql://efch-mia-sr-02.efcholdings.com:5432/efch-art</value > </parameter> <parameter> <name>username</name> <value>[username]</value> </parameter> <parameter> <name>password</name> <value>[password]</value> </parameter> <parameter> <name>maxActive</name> <value>20</value> </parameter> <parameter> <name>maxIdle</name> <value>10</value> </parameter> <parameter> <name>maxWait</name> <value>100</value> </parameter> </ResourceParams> ----------------------- SERVER.XML end -------------------------- All that code inside a context tag. 3.) My web.xml ----------------- STARTS --------------- <resource-ref> <description>postgreSQL Art's Datasource</description> <res-ref-name>jdbc/art</res-ref-name> <res-type>javax.sql.DataSource</res-type> <res-auth>Container</res-auth> </resource-ref> --------------------- END ------------------- 5.) I'm using Tomcat 4.1.16 with Apache 2.0, Plus PostgreSQL 7.3 and jdk 1.4.1 Tomcat starts fine, all works fine but when my DBTest is triying to get the connection I get the error mentioned before. I really don't know why tomcat is not seeing the Driver if it is on common/lib...??????????? Thanks in advance for your help. -- = Roberto Bouza Fraga = =================================== Research & Development Engineer Ella Cisneros Fontanals Holdings Ph: (305)-860-0116 / Fax:(305)-860-9401 =================================== e-Mail:[EMAIL PROTECTED] -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> ********************************************************************** Ce message électronique et tous les fichiers joints ainsi que les informations contenues dans ce message (ci après "le message"), sont confidentiels et destinés exclusivement à l'usage de la personne à laquelle ils sont adressés. Si vous avez reçu ce message par erreur, merci de le renvoyer à son émetteur et de le détruire. Toute diffusion, publication, totale ou partielle ou divulgation sous quelque forme que ce soit non expressément autorisées de ce message, sont interdites. ********************************************************************** This e-mail, any attachments and the information contained (herein " the message") are confidential and intended solely for the use of the addressee(s) if you have received this message in error please send it back to the sender and delete it. Unauthorized publication, use, dissemination or disclosure, either whole or partial, of this message is strictly prohibited. -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>