求助：我用POWERJ结合JARUAR CTS做的APPLET的例子

这是在JAVA控制台中显示的错误信息，大伙帮看看是怎么回事：
Error getting package information: hh
com.ms.packagemanager.PackageManagerException: Package not found
at com/ms/packagemanager/PackageManager.getPackage
at com/ms/security/SecurityClassLoader.getSecurityInfoFromPackage
at com/ms/security/SecurityClassLoader.findPackageManagerClass
at com/ms/security/SecurityClassLoader.findPackageManagerClass
at com/ms/vm/loader/URLClassLoader.loadClass
at java/lang/ClassLoader.loadClassInternal
at Form1.createTheForm
at Form1.create
at a.createAppletForm
at a.init
at com/ms/applet/AppletPanel.securedCall0
at com/ms/applet/AppletPanel.securedCall
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.run
at java/lang/Thread.run
Error getting package information: javax/ejb
com.ms.packagemanager.PackageManagerException: Package not found
at com/ms/packagemanager/PackageManager.getPackage
at com/ms/security/SecurityClassLoader.getSecurityInfoFromPackage
at com/ms/security/SecurityClassLoader.findPackageManagerClass
at com/ms/security/SecurityClassLoader.findPackageManagerClass
at com/ms/vm/loader/URLClassLoader.loadClass
at java/lang/ClassLoader.loadClassInternal
at Form1.createTheForm
at Form1.create
at a.createAppletForm
at a.init
at com/ms/applet/AppletPanel.securedCall0
at com/ms/applet/AppletPanel.securedCall
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.run
at java/lang/Thread.run
powersoft.powerj.jaguar.InitialContextException: javax.naming lookup failed for component: hh/Bean
Exception: [Root exception is [Root exception is java.lang.NoClassDefFoundError]javax.naming.NamingException]javax.naming.NamingException
at powersoft/powerj/jaguar/InitialContext.lookup
at Form1.createTheForm
at Form1.create
at a.createAppletForm
at a.init
at com/ms/applet/AppletPanel.securedCall0
at com/ms/applet/AppletPanel.securedCall
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.processSentEvent
at com/ms/applet/AppletPanel.run
at java/lang/Thread.run
Exception occurred during event dispatching:
java.lang.ClassNotFoundException: java.rmi.RemoteException
at com/ms/vm/loader/URLClassLoader.loadClass
at java/lang/ClassLoader.loadClassInternal
at Form1.actionPerformed
at java/awt/Button.processActionEvent
at java/awt/Button.processEvent
at java/awt/Component.dispatchEventImpl
at java/awt/Component.dispatchEvent
at java/awt/EventDispatchThread.run