RE: ClassCastException org.apache.jasper.runtime.ELContextImpl cannot be cast to org.apache.jasper.el.ELContextImpl

[THIND Mansukhdeep]

May be this particular line in JSP is attempting to perform an action which the 
container is unable to process as a Servlet class. Just cross check the JSP 
code once. What does the <c:out value="${fn:length(promoCodeSpecCommand.user)}" 
/> do? Is it a directive? Or a call to some function?

Regards
Mansukhdeep

-----Original Message-----
From: Dale Ogilvie [mailto:dale_ogil...@trimble.com]
Sent: Friday, August 03, 2012 11:10 AM
To: Tomcat Users List
Subject: ClassCastException org.apache.jasper.runtime.ELContextImpl cannot be 
cast to org.apache.jasper.el.ELContextImpl

Hi,

I'm seeing this problem below appearing now with one of our web-apps, google 
has not helped me so far... There have been no changes with the web app in 
question, which was working, so I'm picking something is going on with either 
the tomcat or OS (virtualized) environment, but what? Any tips as to how to 
figure out what is going on?

root cause

java.lang.ClassCastException: org.apache.jasper.runtime.ELContextImpl cannot be 
cast to org.apache.jasper.el.ELContextImpl
        
org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:982)
        
org.apache.jsp.WEB_002dINF.views.promoCodeWelcome_jsp._jspx_meth_c_005fout_005f0(promoCodeWelcome_jsp.java:301)
        
org.apache.jsp.WEB_002dINF.views.promoCodeWelcome_jsp._jspService(promoCodeWelcome_jsp.java:171)
        org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
        
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
        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)
        
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
        
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
        
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1047)
        
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:817)
        
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
        
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
        
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
        jcifs.http.NtlmHttpFilter.doFilter(NtlmHttpFilter.java:125)

The app is deployed on Tomcat 7.0.27, java 1.6_026, erroring jsp line:

<c:out value="${fn:length(promoCodeSpecCommand.user)}" />

Thanks

Dale


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