jbuilder9下面的一个ejb例子,部署总是失败,请大家帮忙，！！

Unable to deploy EJB: E:\bea\user_projects\mydomain\.\myserver\.wlnotdelete\esit
e\esite.jar from esite.jar:EJB : Cart .Unable to initialize method info for remote or home interface.The er
ror is java.lang.NoClassDefFoundError: [Lcom/borland/dx/dataset/DataSetData;
        at java.lang.Class.getMethods0(Native Method)
        at java.lang.Class.getMethods(Class.java:737)
        at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.initializeMethodInfo
s(ClientDrivenBeanInfoImpl.java:1083)
        at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.<init>(ClientDrivenB
eanInfoImpl.java:218)
        at weblogic.ejb20.deployer.SessionBeanInfoImpl.<init>(SessionBeanInfoImp
l.java:107)
        at weblogic.ejb20.deployer.BeanInfoImpl.createBeanInfoImpl(BeanInfoImpl.
java:343)
        at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.initializeBeanInfos(M
BeanDeploymentInfoImpl.java:438)
        at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.<init>(MBeanDeploymen
................................