紧急支援

本人刚学EJB，在用JBUILDER 5 和WEBLOGIC 6做程序时，
系统出错，我不知道如何做下去，请帮帮忙，〕
信息为：

"Cart.ejbgrp": E:\JBuild\jdk1.3\bin\javaw -classpath "D:\JavaTest\Cart\Cart\Cart;E:\bea\lib\weblogic_sp.jar;E:\bea\lib\weblogic.jar;E:\Borland\AppServer\lib\asrt.jar;E:\Borland\AppServer\lib\vbdev.jar;E:\Borland\AppServer\lib\vbjdev.jar;E:\Borland\AppServer\lib\vbjorb.jar;E:\Borland\AppServer\lib\vbsec.jar;E:\Borland\AppServer\lib\migration.jar;E:\JBuild\jdk1.3\lib\dt.jar;E:\JBuild\jdk1.3\lib\tools.jar;E:\JBuild\jdk1.3\jre\lib\i18n.jar;E:\JBuild\jdk1.3\jre\lib\jaws.jar;E:\JBuild\jdk1.3\jre\lib\rt.jar;E:\JBuild\jdk1.3\jre\lib\sunrsasign.jar;E:\JBuild\jdk1.3\demo\jfc\Java2D\Java2Demo.jar" weblogic.ejbc -keepgenerated -compiler E:/JBuild/bin/bcjW D:/JavaTest/Cart/Cart/Cart.jar.jar D:/JavaTest/Cart/Cart/Cart.jar

"Cart.ejbgrp": Spaces in the temporary directory path may cause WebLogic EJBC utility to produce fatal compile errors.
"Cart.ejbgrp": <2001-12-15 下午03时06分43秒> <Error> <EJB> <EJB Deployment: Cart has a class shoppingcart.CartBean which is in the classpath. This class should only be located in the ejb-jar file.>
"Cart.ejbgrp": <2001-12-15 下午03时06分43秒> <Error> <EJB> <EJB Deployment: Cart has a class shoppingcart.CartHome which is in the classpath. This class should only be located in the ejb-jar file.>
"Cart.ejbgrp": <2001-12-15 下午03时06分43秒> <Error> <EJB> <EJB Deployment: Cart has a class shoppingcart.CartRemote which is in the classpath. This class should only be located in the ejb-jar file.>
"Cart.ejbgrp": ERROR: Error from ejbc: Unable to set the transaction attribute for method "purchase". No matching method could be found. Please verify the method signature specified in the ejb-jar.xml file matches that of your EJB.
"Cart.ejbgrp": ERROR: ejbc found errors