在Weblogic7中，发布EJB出现Unable to initialize method info for remote or home interface

在Weblogic7中，发布EJB出现Unable to initialize method info for remote or home interface.The error is java.lang.NoClassDefFoundError:Lcom/borland/dx/ejb/RowDa(100分)<br />具体错误如下：
EJB : Personnel .Unable to initialize method info for remote or home interface.The error is java.lang.NoClassDefFoundError: [Lcom/borland/dx/ejb/RowData;
at java.lang.Class.getMethods0(Native Method)
at java.lang.Class.getMethods(Class.java:742)
at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.initializeMethodInfos(ClientDrivenBeanInfoImpl.java:1059)
at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.<init>(ClientDrivenBeanInfoImpl.java:219)
at weblogic.ejb20.deployer.SessionBeanInfoImpl.<init>(SessionBeanInfoImpl.java:106)
at weblogic.ejb20.deployer.BeanInfoImpl.createBeanInfoImpl(BeanInfoImpl.java:329)
at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.initializeBeanInfos(MBeanDeploymentInfoImpl.java:429)
at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.<init>(MBeanDeploymentInfoImpl.java:164)
at weblogic.ejb20.deployer.EJBDeployer.setupBeanInfo(EJBDeployer.java:944)
at weblogic.ejb20.deployer.EJBDeployer.prepare(EJBDeployer.java:1251)
at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:235)
at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.java:1425)
at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:650)
at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:548)
at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:1026)
at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:700)
at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:24)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:152)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:133)

在weblogic中配置好了数据源没有？

都配置好了，就是在最后部署时出错