HTTP Status 500 – Internal Server Error


Type Exception Report

Message javax.el.ELException: The class [java.util.List] must be public, non-abstract and not an interface

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: javax.el.ELException: The class [java.util.List] must be public, non-abstract and not an interface
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:565)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:481)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Root Cause

javax.el.ELException: The class [java.util.List] must be public, non-abstract and not an interface
	javax.el.ImportHandler.findClass(ImportHandler.java:171)
	javax.el.ImportHandler.importClass(ImportHandler.java:111)
	org.apache.jasper.runtime.PageContextImpl.getELContext(PageContextImpl.java:962)
	org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:935)
	org.apache.jsp.imgacervo_jsp._jspx_meth_c_005fwhen_005f0(imgacervo_jsp.java:979)
	org.apache.jsp.imgacervo_jsp._jspService(imgacervo_jsp.java:226)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/8.5.24