> From: Juanjo Cuadrado [mailto:[EMAIL PROTECTED]
> Subject: About connections
>
> When I try to recover a connection, I use the Tomcat's
> pool connections, that it work fine too if I previously
> have put the Oracle's jar into 'common' directory.
>
> I have put the jar (classes12) into lib directory of
> application
You can't do both. If you're using DBCP, the jar must go in common/lib
- and only in common/lib. If you're not using Tomcat's connection
pooling, the jar may go in common/lib, shared/lib, or WEB-INF/lib of
each application - but it must not appear in more than one layer of the
classloading hiearchy:
Bootstrap
|
System
|
Common
/ \
Catalina Shared
/ \
Webapp1 Webapp2 ...
Its presence in multiple layers will cause the kinds of errors you're
seeing.
- Chuck
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