Olá,estou tentando executar um jsp, mas ele ta gerando esse erro, e não estou sabendo resolve-lo
Estou usando eclipse 3.3 e tomcat 6.0
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: org/apache/el/ExpressionFactoryImpl
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:274)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root cause
java.lang.NoClassDefFoundError: org/apache/el/ExpressionFactoryImpl
org.apache.jasper.JspCompilationContext.getServletClassName(JspCompilationContext.java:351)
org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:596)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:144)
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:477)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:350)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root cause
java.lang.ClassNotFoundException: org.apache.el.ExpressionFactoryImpl
java.net.URLClassLoader$1.run(Unknown Source)
java.security.AccessController.doPrivileged(Native Method)
java.net.URLClassLoader.findClass(Unknown Source)
java.lang.ClassLoader.loadClass(Unknown Source)
sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
java.lang.ClassLoader.loadClass(Unknown Source)
java.lang.ClassLoader.loadClassInternal(Unknown Source)
org.apache.jasper.JspCompilationContext.getServletClassName(JspCompilationContext.java:351)
org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:596)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:144)
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:477)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:350)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
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/6.0.16 logs.