第四章程序编译最后出现的错误,请指点!

"EJBControllerLocal.java": Error #: 704 : cannot access directory javax\ejb at line 3, column 1
"EJBControllerLocal.java": Error #: 302 : cannot access class javax.ejb.EJBLocalObject; java.io.IOException: class not found: class javax.ejb.EJBLocalObject at line 6, column 55
"EJBControllerLocalHome.java": Error #: 302 : cannot access class javax.ejb.EJBLocalHome; java.io.IOException: class not found: class javax.ejb.EJBLocalHome at line 6, column 59
Could not find D:/work/chatper4/JdonUtils/JdonUtils.jar to copy to WebApp web; file is defined as element of library JdonUtils

需要EJB包支持,请使用JBoss