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From "Dale Ogilvie" <Dale_Ogil...@trimble.com>
Subject ClassCastException org.apache.jasper.runtime.ELContextImpl cannot be cast to org.apache.jasper.el.ELContextImpl
Date Fri, 03 Aug 2012 05:40:20 GMT
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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