HTTP Status 500 – Internal Server Error

Type Exception Report

Message javax/servlet/jsp/jstl/core/Config

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

Exception

javax.servlet.ServletException: javax/servlet/jsp/jstl/core/Config
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:230)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.webbeans.web.tomcat7.TomcatSecurityFilter.doFilter(TomcatSecurityFilter.java:67)

Root Cause

java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config
	org.apache.myfaces.view.jsp.JspViewDeclarationLanguage.buildView(JspViewDeclarationLanguage.java:91)
	org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:78)
	org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:267)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:200)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.webbeans.web.tomcat7.TomcatSecurityFilter.doFilter(TomcatSecurityFilter.java:67)

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

Apache Tomcat/9.0.36