HTTP Status 500 - Cannot call sendError() after the response has been committed

type Exception report

message Cannot call sendError() after the response has been committed

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Cannot call sendError() after the response has been committed
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:659)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.apache.webbeans.web.tomcat9.TomcatSecurityFilter.doFilter(TomcatSecurityFilter.java:67)
	org.apache.deltaspike.servlet.impl.event.EventBridgeFilter.doFilter(EventBridgeFilter.java:59)
	org.apache.deltaspike.servlet.impl.produce.RequestResponseHolderFilter.doFilter(RequestResponseHolderFilter.java:63)

root cause

java.lang.IllegalStateException: Cannot call sendError() after the response has been committed
	org.apache.catalina.connector.ResponseFacade.sendError(ResponseFacade.java:462)
	com.sun.faces.context.ExternalContextImpl.responseSendError(ExternalContextImpl.java:949)
	javax.faces.context.ExternalContextWrapper.responseSendError(ExternalContextWrapper.java:916)
	javax.faces.context.ExternalContextWrapper.responseSendError(ExternalContextWrapper.java:916)
	javax.faces.context.ExternalContextWrapper.responseSendError(ExternalContextWrapper.java:916)
	com.sun.faces.application.view.MultiViewHandler.send500Error(MultiViewHandler.java:758)
	com.sun.faces.application.view.MultiViewHandler.derivePhysicalViewId(MultiViewHandler.java:589)
	com.sun.faces.application.view.MultiViewHandler.createView(MultiViewHandler.java:167)
	org.apache.myfaces.extensions.cdi.jsf.impl.security.SecurityAwareViewHandler.createView(SecurityAwareViewHandler.java:77)
	org.apache.myfaces.extensions.cdi.jsf2.impl.security.SecurityAwareViewHandler.createView(SecurityAwareViewHandler.java:69)
	org.apache.myfaces.extensions.cdi.jsf.impl.CodiViewHandler.createView(CodiViewHandler.java:72)
	javax.faces.application.ViewHandlerWrapper.createView(ViewHandlerWrapper.java:173)
	javax.faces.application.ViewHandlerWrapper.createView(ViewHandlerWrapper.java:173)
	org.richfaces.application.GlobalResourcesViewHandler.createView(GlobalResourcesViewHandler.java:147)
	javax.faces.application.ViewHandlerWrapper.createView(ViewHandlerWrapper.java:173)
	com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:254)
	com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:121)
	com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
	org.apache.myfaces.extensions.cdi.jsf2.impl.listener.phase.CodiLifecycleWrapper.execute(CodiLifecycleWrapper.java:95)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:646)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.apache.webbeans.web.tomcat9.TomcatSecurityFilter.doFilter(TomcatSecurityFilter.java:67)
	org.apache.deltaspike.servlet.impl.event.EventBridgeFilter.doFilter(EventBridgeFilter.java:59)
	org.apache.deltaspike.servlet.impl.produce.RequestResponseHolderFilter.doFilter(RequestResponseHolderFilter.java:63)

note The full stack trace of the root cause is available in the Apache Tomcat/9.0.11 logs.

Apache Tomcat/9.0.11