无法从我的JSP文件调用EJB类

无法从我的JSP文件调用EJB类,jsp,Jsp,我正在尝试使用JSP和EJB运行一个项目,并使用以下代码 An error occurred at line: [5] in the jsp file: [/catalog.jsp] Catalog cannot be resolved to a type 2: <body> 3: <%@ page import="javax.ejb.*,javax.naming.*,java.util.*,java.io.*,project.server.*,java.sql.*

我正在尝试使用JSP和EJB运行一个项目,并使用以下代码

An error occurred at line: [5] in the jsp file: [/catalog.jsp]
Catalog cannot be resolved to a type
2: <body>
3: <%@ page  import="javax.ejb.*,javax.naming.*,java.util.*,java.io.*,project.server.*,java.sql.*" %>
4: 
5: <%! Catalog catalog; %>
6: <%! CatalogHome catalogHome; %>
7: <%! ResultSet resultSet;%>
8: <%! Context context; %>


An error occurred at line: [6] in the jsp file: [/catalog.jsp]
CatalogHome cannot be resolved to a type
3: <%@ page  import="javax.ejb.*,javax.naming.*,java.util.*,java.io.*,project.server.*,java.sql.*" %>
4: 
5: <%! Catalog catalog; %>
6: <%! CatalogHome catalogHome; %>
7: <%! ResultSet resultSet;%>
8: <%! Context context; %>
9: <%!

import javax.ejb.*;
import java.rmi.*;

public interface CatalogHome extends EJBHome
{
public Catalog create() throws RemoteException,CreateException;
}

import javax.ejb.*;
import java.rmi.*;
import java.sql.*;
public interface Catalog extends  EJBObject
{
public ResultSet getProducts() throws RemoteException;
}
jsp文件:[/catalog.jsp]的第[5]行出现错误
无法将目录解析为类型
2: 
三:
4: 
5: 
6: 
7: 
8: 
jsp文件:[/catalog.jsp]的第[6]行出错
CatalogHome无法解析为类型
三:
4: 
5: 
6: 
7: 
8: 
9: