今天重启了httpd和tomcat服务,重启之后。我收到了以下消息。
我看到了这个帖子 http://www.coderanch.com/t/592922/Tomcat/enable-el-api-jar-ver
然后按照他们说的去做。我检查了一下,el-api.jar 在那里。我检查了另一台服务器,tomcat 也运行良好。
服务器是 Centos 6.4(最终版)和 Tomcat 7.0.23。
我尝试了一切,甚至替换了 jar 文件,但似乎没有任何效果。
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: javax.el.ELException: Provider com.sun.el.ExpressionFactoryImpl not found
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:585)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:396)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
javax.el.ELException: Provider com.sun.el.ExpressionFactoryImpl not found
javax.el.FactoryFinder.newInstance(FactoryFinder.java:101)
javax.el.FactoryFinder.find(FactoryFinder.java:197)
javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:189)
javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:160)
org.apache.jasper.runtime.JspApplicationContextImpl.getExpressionFactory(JspApplicationContextImpl.java:108)
org.apache.jsp.index_jsp._jspInit(index_jsp.java:31)
org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:49)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:180)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
java.lang.ClassNotFoundException: com.sun.el.ExpressionFactoryImpl
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1688)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1533)
javax.el.FactoryFinder.newInstance(FactoryFinder.java:87)
javax.el.FactoryFinder.find(FactoryFinder.java:197)
javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:189)
javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:160)
org.apache.jasper.runtime.JspApplicationContextImpl.getExpressionFactory(JspApplicationContextImpl.java:108)
org.apache.jsp.index_jsp._jspInit(index_jsp.java:31)
org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:49)
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:180)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.23 logs.
最佳答案
请确保您在 ${TOMCAT_HOME}/lib
中拥有这两个 jar
el-api-2.2.jar // jar version could differ
el-impl-2.2.jar
关于java - Tomcat 7 javax.el.ELException 异常,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17314384/