Thanks for the suggestion. I just tried the example JDBC configuration from the JNDI-howto, and unfortunately it still gets the same error. I am using tomcat standalone.
Weird. Guess I'll stick with tomcat 4.0.x for now... -- bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] g]On Behalf Of Jake Tweer Sent: Tuesday, October 01, 2002 8:11 PM To: Tomcat Users List Subject: Re: tomcat 4.1.12 JDBC driver class 'null' I'm getting the same error with MySQL and I've seen posts for PostgreSQL, MySQL and Oracle. I have followed all suggestions with no luck except for one case - the example given in the JNDI - How To works for me. The example is using standalone Tomcat and that works. As soon as I use Apache/mod_webapp I get the exception Cannot load JDBC driver class 'null'. Robert Herold wrote: > I've been happily using tomcat 4.0.4 for a while, and thought I'd upgrade to > version 4.1.12. Alas, I cannot get tomcat to find my Oracle JDBC driver > when I use 4.1.12. It worked fine in 4.0.4. > > Any ideas what might be wrong? > > My classes12.jar is in common/lib where it is supposed to be. It's the same > file as I used under tomcat 4.0.4, so it is known to be good. > > I followed the configuration steps for setting up the JNDI Datasource very > carefully. > > The exception I get is: > > Caused by: java.sql.SQLException: Cannot load JDBC driver class 'null' > at > org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.jav > a:529) > at > org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:3 > 12) > at com.cotagesoft.common.XDataSource.getConnection(XDataSource.java:107) > ... 31 more > > My resource definition in server.xml is: > > <DefaultContext debug="0" reloadable="true"> > <Resource name="jdbc/CotagesoftDB" auth="Container" > type="javax.sql.DataSource"/> > <ResourceParams name="jdbc/CotagesoftDB"> > <parameter> > <name>factory</name> > <value>org.apache.commons.dbcp.BasicDataSourceFactory</value> > </parameter> > <parameter> > <name>username</name> > <value>fred</value> > </parameter> > <parameter> > <name>password</name> > <value>fred</value> > </parameter> > <parameter> > <name>driverClassName</name> > <value>oracle.jdbc.driver.OracleDriver</value> > </parameter> > <parameter> > <name>driverName</name> > <value>jdbc:oracle:thin:@localhost:1521:ctg</value> > </parameter> > <parameter> > <name>maxActive</name> > <value>20</value> > </parameter> > <parameter> > <name>maxIdle</name> > <value>10</value> > </parameter> > <parameter> > <name>maxWait</name> > <value>-1</value> > </parameter> > </ResourceParams> > </DefaultContext> > > And it is referenced in web.xml with: > > <resource-ref> > > <description> > Resource reference to a factory for java.sql.Connection > instances that may be used for talking to a particular > database that is configured in the server.xml file. > </description> > > <res-ref-name>jdbc/CotagesoftDB</res-ref-name> > <res-type>javax.sql.DataSource</res-type> > <res-auth>Container</res-auth> > > </resource-ref> > > Any ideas on what to try would be appreciated. Thanks. > > -- bob > > ---------- > Robert Herold > Cotagesoft, Inc. > 650 474 9013 x808 > > > > -- > 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]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
