需要帮助JSP + Eclipse(3.5) [英] Need Help JSP+Eclipse(3.5)
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问题描述
我正在使用 JavaEE和Eclipse IDE(3.5)和 Tomcat6.0.14作为Web容器开发Web应用程序，，
我创建了一个动态Web项目"
之后，我在以下目录结构下添加了xxx.jsp文件.
-项目
-DevelopmentDescriptor
-JavaResources:src
-JavaScriptResorces
-WEBONTENT
-META-INF
-WEB-INF
-xxx.jsp
当我尝试在服务器上运行页面时，将所需的代码添加到页面后，出现以下错误
Hi,
I am developing web application using JavaEE and Eclipse IDE(3.5) and Tomcat6.0.14 as Web Container,
I have created one " Dynamic Web Project "
after that i have added the xxx.jsp file under the Following dir-structure.
-Project
-DevelopmentDescriptor
-JavaResources:src
-JavaScriptResorces
-WEBONTENT
-META-INF
-WEB-INF
-xxx.jsp
after adding the required code to Page when i am trying to Run the Page on Server it Gives Following Error
HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/el/ELResolver
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:274)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root cause
java.lang.NoClassDefFoundError: javax/el/ELResolver
java.lang.ClassLoader.defineClass1(Native Method)
java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
java.lang.ClassLoader.defineClass(ClassLoader.java:616)
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
java.net.URLClassLoader.access$000(URLClassLoader.java:58)
java.net.URLClassLoader$1.run(URLClassLoader.java:197)
java.security.AccessController.doPrivileged(Native Method)
java.net.URLClassLoader.findClass(URLClassLoader.java:190)
sun.misc.Launcher$ExtClassLoader.findClass(Launcher.java:229)
java.lang.ClassLoader.loadClass(ClassLoader.java:307)
java.lang.ClassLoader.loadClass(ClassLoader.java:296)
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
java.lang.ClassLoader.loadClass(ClassLoader.java:296)
java.lang.ClassLoader.loadClass(ClassLoader.java:248)
org.apache.jasper.runtime.JspFactoryImpl.getJspApplicationContext(JspFactoryImpl.java:200)
org.apache.jsp.test1_jsp._jspInit(test1_jsp.java:22)
org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:52)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:159)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root cause
java.lang.ClassNotFoundException: javax.el.ELResolver
java.net.URLClassLoader$1.run(URLClassLoader.java:202)
java.security.AccessController.doPrivileged(Native Method)
java.net.URLClassLoader.findClass(URLClassLoader.java:190)
sun.misc.Launcher$ExtClassLoader.findClass(Launcher.java:229)
java.lang.ClassLoader.loadClass(ClassLoader.java:307)
java.lang.ClassLoader.loadClass(ClassLoader.java:248)
java.lang.ClassLoader.defineClass1(Native Method)
java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
java.lang.ClassLoader.defineClass(ClassLoader.java:616)
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
java.net.URLClassLoader.access$000(URLClassLoader.java:58)
java.net.URLClassLoader$1.run(URLClassLoader.java:197)
java.security.AccessController.doPrivileged(Native Method)
java.net.URLClassLoader.findClass(URLClassLoader.java:190)
sun.misc.Launcher$ExtClassLoader.findClass(Launcher.java:229)
java.lang.ClassLoader.loadClass(ClassLoader.java:307)
java.lang.ClassLoader.loadClass(ClassLoader.java:296)
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
java.lang.ClassLoader.loadClass(ClassLoader.java:296)
java.lang.ClassLoader.loadClass(ClassLoader.java:248)
org.apache.jasper.runtime.JspFactoryImpl.getJspApplicationContext(JspFactoryImpl.java:200)
org.apache.jsp.test1_jsp._jspInit(test1_jsp.java:22)
org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:52)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:159)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.14 logs.
--------------------------------------------------------------------------------
Apache Tomcat/6.0.14
所有必需的库也都随项目一起加载.
任何人都可以帮助解决此问题.
我已经对此进行了仔细检查，但没有得到任何解决方案.
谢谢.
all required libraries are also been loaded with project.
Can any one Help on this Problem.
I have goggled on this but didn''t get any solution.
Thank You.
推荐答案
000(URLClassLoader.java:58) java.net.URLClassLoader
000(URLClassLoader.java:58) java.net.URLClassLoader
1.run(URLClassLoader.java:197) java.security.AccessController.doPrivileged(本机方法) java.net.URLClassLoader.findClass(URLClassLoader.java:190) sun.misc.Launcher
1.run(URLClassLoader.java:197) java.security.AccessController.doPrivileged(Native Method) java.net.URLClassLoader.findClass(URLClassLoader.java:190) sun.misc.Launcher
ExtClassLoader.findClass(Launcher.java:229) java.lang.ClassLoader.loadClass(ClassLoader.java:307) java.lang.ClassLoader.loadClass(ClassLoader.java:296) sun.misc.Launcher
ExtClassLoader.findClass(Launcher.java:229) java.lang.ClassLoader.loadClass(ClassLoader.java:307) java.lang.ClassLoader.loadClass(ClassLoader.java:296) sun.misc.Launcher
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