I have a question when I write RMI program .

file direction as follow:
D:\project\
D:\project\build\
D:\project\build\classes\
D:\project\build\classes\report\
D:\project\build\classes\report\ReportAssist.class
D:\project\build\classes\report\ReportAssistImpl.class
D:\project\build\classes\report\ReportAssistServer.class
D:\project\build\classes\report\ReportAssistClient.class
D:\project\build\classes\report\ReportAssistImpl_Stub.class

D:\project\lib\
D:\project\lib\jdom.jar
D:\project\lib\sqljdbc.jar

D:\project\config.xml

#rmiregistry 2001
cd D:\project\
set CLASSPATH=./lib/;./build/classes/
rmiregistry 2001   --has success

#start server
cd D:\project\
java -Djava.rmi.server.codebase=file:D:\project\lib\ -classpath
./build/classes/ report.ReportAssistServer  --has success

#start client
cd D:\project\
java -Djava.rmi.server.codebase=file:D:\project\lib\ -classpath
./build/classes/ report.ReportAssistClient

--exception
java.lang.NoClassDefFoundError: org/jdom/JDOMException

The server side has printed information when start client .

How do I set the classpath ?