HTTP Status 500 – Internal Server Error


Type Exception Report

Message Cannot create a session after the response has been committed

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

Exception

javax.servlet.ServletException: Cannot create a session after the response has been committed
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:659)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

Root Cause

java.lang.IllegalStateException: Cannot create a session after the response has been committed
	org.apache.catalina.connector.Request.doGetSession(Request.java:2975)
	org.apache.catalina.connector.Request.getSession(Request.java:2422)
	org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:650)
	com.sun.faces.context.ExternalContextImpl.getSession(ExternalContextImpl.java:166)
	com.sun.faces.application.view.ViewScopeManager.processPostConstructViewMap(ViewScopeManager.java:277)
	com.sun.faces.application.view.ViewScopeManager.processEvent(ViewScopeManager.java:246)
	com.sun.faces.application.view.ViewScopeEventListener.processEvent(ViewScopeEventListener.java:68)
	javax.faces.event.SystemEvent.processListener(SystemEvent.java:108)
	javax.faces.event.ComponentSystemEvent.processListener(ComponentSystemEvent.java:118)
	com.sun.faces.application.ApplicationImpl.processListeners(ApplicationImpl.java:2190)
	com.sun.faces.application.ApplicationImpl.invokeListenersFor(ApplicationImpl.java:2163)
	com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:296)
	com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:247)
	javax.faces.component.UIViewRoot.getViewMap(UIViewRoot.java:1557)
	javax.faces.component.UIViewRoot.getViewMap(UIViewRoot.java:1502)
	com.sun.faces.mgbean.BeanManager$ScopeManager$ViewScopeHandler.handle(BeanManager.java:550)
	com.sun.faces.mgbean.BeanManager$ScopeManager.pushToScope(BeanManager.java:458)
	com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:410)
	com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269)
	com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:257)
	com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:117)
	com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
	com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
	org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:93)
	org.apache.el.parser.AstValue.getValue(AstValue.java:136)
	org.apache.el.parser.AstFunction.getValue(AstFunction.java:177)
	org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:189)
	com.sun.faces.facelets.el.ELText$ELTextVariable.writeText(ELText.java:238)
	com.sun.faces.facelets.el.ELText$ELTextComposite.writeText(ELText.java:154)
	com.sun.faces.facelets.compiler.TextInstruction.write(TextInstruction.java:85)
	com.sun.faces.facelets.compiler.UIInstructions.encodeBegin(UIInstructions.java:82)
	com.sun.faces.facelets.compiler.UILeaf.encodeAll(UILeaf.java:183)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
	com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:456)
	com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:133)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
	com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:647)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

Note A pilha de erros completa da causa principal está disponível nos logs do servidor.


Apache Tomcat/9.0.76