Okay, I've got it. I moved the Commons and
jdbc2_0-stdext JARs into TOMCAT_HOME/common/lib and
everything is fine again.

--- Michael Duffy <duffymo@(protected):
>
> I've written a Web app that works fine under Tomcat
> 4.1.24. It uses an app-specific Context to set up a
> JNDI data source that works fine. It uses the
> org.apache.commons.dbcp.BasicDataSourceFactory and
> the
> Oracle 9.2 JDBC type IV thin driver. The Oracle
> JDBC
> driver JAR is in TOMCAT_HOME/common/lib; all other
> JARs are in the WEB-INF/lib directory inside the
> deployed WAR.
>
> A vendor has shipped s'ware to me that has been
> tested
> under Tomcat 4.0.6. The vendor won't guarantee
> proper
> operation under 4.1.24, because it hasn't been
> tested
> there.
>
> I downloaded 4.0.6, installed it on my machine, put
> my
> app WAR in TOMCAT_HOME/webapps, and put the
> <Context>
> into the server.xml. The Oracle JDBC JARs are in
> TOMCAT_HOME/common/lib. I checked the resources
> page
> to make sure that my Context from 4.1.24 was okay
> for
> 4.0.6. There were no errors in the log file when I
> started up the app. The XML parser accepted the
> server.xml without a problem. I got the app log
> file
> that I asked for, and I can see debug info from my
> front controller servlet being written to it.
>
> However, as soon as it tries to access the database
> I
> get a "DataSource invalid - no suitable driver"
> error.
>
> Everything that I gave to 4.0.6 works perfectly
> under
> 4.1.24. What common error causes this? I scanned
> the
> Archive link from the mailing list page, but nothing
> suitable appeared. Thanks - MOD
>
>
>
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