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[求助]帮我分一下问题在那里？

baixiaotian

发贴: 8
积分: -1

于 2005-05-19 12:47

重貼, 扣分 (雖然閣下沒有分可扣)
http://www.cjsdn.net/post/view?bid=51&id=144282

我在书上抄了一个easy.jsp源代码:
<%@ page contentType="text/html" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSP is Easy</title>
</head>
<body bgcolor="white">

<h1>JSP is as easy as ...</h1>

<%-- Calculate the sum of 1 + 2 + 3 dynamically --%>
1 + 2 + 3 = <c:out value="${1 + 2 + 3}" />

</body>
</html>
可是为什么运行的时候为什么出现这样的错误提示：

A Servlet Exception Has Occurred
org.apache.jasper.JasperException: This absolute uri (http://java.sun.com/jsp/jstl/core) cannot be resolved in either web.xml or the jar files deployed with this application at org.apache.jasper.compiler.TagLibraryInfoImpl.(TagLibraryInfoImpl.java:194) at org.apache.jasper.compiler.TagLibraryInfoImpl.(TagLibraryInfoImpl.java:174) at org.apache.jasper.compiler.JspParseEventListener.processTaglibDirective(JspParseEventListener.java:1148) at org.apache.jasper.compiler.JspParseEventListener.handleDirective(JspParseEventListener.java:755) at org.apache.jasper.compiler.DelegatingListener.handleDirective(DelegatingListener.java:121) at org.apache.jasper.compiler.Parser$Directive.accept(Parser.java:243) at org.apache.jasper.compiler.Parser.parse(Parser.java:1132) at org.apache.jasper.compiler.Parser.parse(Parser.java:1091) at org.apache.jasper.compiler.Parser.parse(Parser.java:1087) at org.apache.jasper.compiler.ParserController.parse(ParserController.java:213) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:210) at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:543) at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:176) at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:188) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473) at javax.servlet.http.HttpServlet.service(HttpServlet.java:1264) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:215) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2366) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1005) at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1098) at java.lang.Thread.run(Unknown Source)

why edited on 2005-05-19 20:24

话题树型展开

人气	标题	作者	字数	发贴时间
4490	[求助]帮我分一下问题在那里？	baixiaotian	3949	2005-05-19 12:47
3451	Re:[求助]帮我分一下问题在那里？	danzel	96	2005-05-19 16:32
3328	Re:[求助]帮我分一下问题在那里？	why	65	2005-05-19 20:26

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