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From "Antony Paul" <antonypau...@hotmail.com>
Subject Re: [DBCP] - ClassNotFoundException with Oracle
Date Fri, 05 Mar 2004 05:20:19 GMT
Thanks for the reply.
What if I move DBCP jars to WEB-INF\lib ?. Is DBCP is managed by Tomcat ?.

rgds
Antony Paul

----- Original Message -----
From: "Jacob Kjome" <hoju@visi.com>
To: "Jakarta Commons Users List" <commons-user@jakarta.apache.org>
Sent: Friday, March 05, 2004 10:29 AM
Subject: Re: [DBCP] - ClassNotFoundException with Oracle


>
> DBCP needs access to the oracle driver.  The way classpaths work, the
> parent can't see the child.  As such, library in common/lib, server/lib,
or
> shared/lib cannot load a library in WEB-INF/lib.  As such, you will need
to
> put the oracle jar in common/lib.  There is no way around it if you want
> the container to manage the connection pool.  If Tomcat used something
like
> JBoss' unified classloader, it might be different, but with the
classloader
> hierarchy that Tomcat uses, you'll just have to bite the bullet and move
> the oracle driver out of WEB-INF/lib and into common/lib.
>
> Jake
>
> At 09:22 AM 3/5/2004 +0530, you wrote:
> >Hi all,
> >     I am getting ClassNotFoundException when I put the ojdbc14.jar in
the
> >WEB-INF\lib folder. If I keep it in common\lib it is ok. Using JNDI to
get a
> >datasource.
> >Tomcat 4.1.27
> >DBCP 1.1
> >JDK 1.4.1
> >The line throwing exception is -  ds.getConnection();
> >
> >This is the stack trace.
> >org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class
> >'oracle.jdbc.driver.OracleDriver', cause:
> >java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
> >  at
>
>org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoade
r
> >java:992)
> >  at
>
>org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoade
r
> >java:857)
> >  at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
> >  at java.lang.Class.forName0(Native Method)
> >  at java.lang.Class.forName(Class.java:140)
> >  at
>
>org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.ja
v
> >a:730)
> >  at
>
>org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:
5
> >18)
> >  at util.Pool.getConnection(Pool.java:52)
> >
> >rgds
> >Antony Paul
> >
> >---------------------------------------------------------------------
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>
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