sorry, I found the solution myself:
I added it to "setclasspath.bat" in jwsdp.home/bin
Isabelle
>Date: Fri, 03 May 2002 15:49:02 +0200
>To: JAXRPC-INTEREST_at_JAVA.SUN.COM
>From: Isabelle Gheysens <i.gheysens_at_energyict.com>
>Subject: classpath
>
>Hello,
>
>my server implementation classes deal with database methods.
>...
>Class.forName(jdbcDriver);
>...
>
>I need a certain file for this in the classpath (=> classes12.zip)
>But where can I set this classpath? Where can I add "classes12.zip"
>
>I've added it to the "run" target, but it doesn't work. I get the
>following error:
>
>java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
>
><target name="run">
> <java classname="com.energyict.eiserver.gui.LogonDialogClient"
> classpath="c:/oracle/ora81/jdbc/lib/classes12.zip:c:/jwsdp/common/lib/jaxr
> pc-ri.jar:c:/jwsdp/common/lib/jaxrpc-api.jar:c:/jwsdp/common/lib/activatio
> n.jar:c:/jwsdp/common/lib/dom4j.jar:c:/jwsdp/common/lib/jaxm-api.jar:c:/jw
> sdp/common/lib/jaxm-client.jar:c:/jwsdp/common/lib/log4j.jar:c:/jwsdp/comm
> on/lib/mail.jar:c:/jwsdp/common/lib/xalan.jar:c:/jwsdp/common/lib/xerces.j
> ar:c:/jwsdp/common/lib/jaxp-api.jar:c:/jwsdp/common/endorsed/dom.jar:c:/jw
> sdp/common/endorsed/sax.jar:c:/jwsdp/common/endorsed/xalan.jar:c:/jwsdp/co
> mmon/endorsed/xercesImpl.jar:c:/jwsdp/common/endorsed/xsltc.jar:dist/soapc
> lient.jar" fork="on">
> <arg value="http://localhost:8080/soap/eiweb/EiwebIF"/>
> </java>
> </target>
>