InitialContext.lookup（“path”）抛出javax.naming.NamingException

Question

我是java的新手并且学习如何实现有状态的ejb，我做不到 - （我想通过在arrayList中添加和删除元素来维护列表）并且单元测试工作正常，初始化对象抛出javax.naming.NamingException

我有什么遗漏。

 <%!
     private static ListElementRemoteForStateful itemIds;
     public void jspInit()
     {
          try
          {
            InitialContext ic = new InitialContext();
            // next line of code always throw
            // here EjbPrototype is the name of the project
            // StatefulEjb is the class name which resides in package ejb
            // I tested with java:global/EjbPrototype/StatefulEjb
            // I tested with java:global/EjbPrototype/ejb.StatefulEjb 
            // I tested with java:app/EjbPrototype/StatefulEjb 
            // I tested with java:module/EjbPrototype/StatefulEjb
            // I tested with java:comp/EjbPrototype/StatefulEjb but no luck
            itemIds = (ListElementRemoteForStateful)ic.lookup("java:global/EjbPrototype/StatefulEjb");

           }
           catch(Exception e)
           {
               System.out.println(e);
           }
    }
%>

我有以下SOQ的接受答案产生的结果