怎样调用.java文件?
现在有一个ReadFile.java文件,有一个read.jsp用javabean来调用,运行的时候,有这样一个错误:
HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 10 in the jsp file: /read.jsp
Generated servlet error:
[javac] Compiling 1 source file
D:\Tomcat 4.1\work\Standalone\localhost\jsp\read_jsp.java:52: package ch8 does not exist
ch8.ReadFile reader = null;
^
An error occurred at line: 10 in the jsp file: /read.jsp
Generated servlet error:
D:\Tomcat 4.1\work\Standalone\localhost\jsp\read_jsp.java:54: package ch8 does not exist
reader = (ch8.ReadFile) pageContext.getAttribute("reader", PageContext.REQUEST_SCOPE);
^
An error occurred at line: 10 in the jsp file: /read.jsp
Generated servlet error:
D:\Tomcat 4.1\work\Standalone\localhost\jsp\read_jsp.java:57: package ch8 does not exist
reader = (ch8.ReadFile) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "ch8.ReadFile");
^
3 errors
,请问应该怎样正确调用.java文件呢?