description The server encountered an internal error () that prevented it from fulfilling this request.

==============

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: /index.jsp(2,4) Invalid directive
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:90)
org.apache.jasper.compiler.Parser.parseDirective(Parser.java:506)
org.apache.jasper.compiler.Parser.parseElements(Parser.java:1539)
org.apache.jasper.compiler.Parser.parse(Parser.java:126)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:220)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:203)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:470)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75)

note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.

========================================================

我的JSP页面只有：

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>

＝＝＝＝＝＝＝＝
运行时出现下列问题：

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

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:3: package javax.servlet does not exist
import javax.servlet.*;
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:4: package javax.servlet.http does not exist
import javax.servlet.http.*;
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:5: package javax.servlet.jsp does not exist
import javax.servlet.jsp.*;
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:8: package org.apache.jasper.runtime does not exist
public final class a_jsp extends org.apache.jasper.runtime.HttpJspBase
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:9: package org.apache.jasper.runtime does not exist
implements org.apache.jasper.runtime.JspSourceDependent {
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:17: cannot find symbol
symbol : class HttpServletRequest
location: class org.apache.jsp.a_jsp
public void _jspService(HttpServletRequest request, HttpServletResponse response)
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:17: cannot find symbol
symbol : class HttpServletResponse
location: class org.apache.jsp.a_jsp
public void _jspService(HttpServletRequest request, HttpServletResponse response)
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:18: cannot find symbol
symbol : class ServletException
location: class org.apache.jsp.a_jsp
throws java.io.IOException, ServletException {
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:20: cannot find symbol
symbol : class JspFactory
location: class org.apache.jsp.a_jsp
JspFactory _jspxFactory = null;
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:21: cannot find symbol
symbol : class PageContext
location: class org.apache.jsp.a_jsp
PageContext pageContext = null;
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:22: cannot find symbol
symbol : class HttpSession
location: class org.apache.jsp.a_jsp
HttpSession session = null;
^

Generated servlet error:
F:/jboss-4.0.0/server/default/work/jboss.web/localhost/test/org/apache/jsp/a_jsp.java:23: cannot find symbol
symbol : class ServletContext
location: class org.apache.jsp.a_jsp
ServletContext application = null;