[
https://issues.apache.org/jira/browse/MYFACES-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dalton Iwazaki updated MYFACES-2218:
------------------------------------
Status: Patch Available (was: Open)
> We have the error : context must not be null in VariableResolverImpl, in
> MyFaces during the execution of the system.
> --------------------------------------------------------------------------------------------------------------------
>
> Key: MYFACES-2218
> URL: https://issues.apache.org/jira/browse/MYFACES-2218
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 1.2.3
> Environment: We are using Weblogic Server 10.0MP1, RedHat Enterprise
> Server 4, and JVM is JRockit 5.0.11
> Reporter: Eduardo Felter Simone
> Priority: Critical
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> We receive the following error:
> 24 Abr 2009 11:11:43,895 ERROR StackTrace:
> java.lang.NullPointerException: context must not be null
> at
> org.apache.myfaces.el.VariableResolverImpl.resolveVariable(VariableResolverImpl.java:47)
> at
> org.apache.myfaces.el.convert.VariableResolverToELResolver.getValue(VariableResolverToELResolver.java:93)
> at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:143)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.access$301(FacesCompositeELResolver.java:46)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver$4.invoke(FacesCompositeELResolver.java:108)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.invoke(FacesCompositeELResolver.java:148)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:104)
> at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:68)
> at com.sun.el.parser.AstNot.getValue(AstNot.java:46)
> at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192)
> at
> javax.faces.component._ComponentUtils.getExpressionValue(_ComponentUtils.java:233)
> at
> javax.faces.component.UIComponentBase.getExpressionValue(UIComponentBase.java:1155)
> at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:1225)
> at
> javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:685)
> at
> javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:688)
> at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:238)
> at org.ajax4jsf.component.AjaxViewRoot.processDecodes(AjaxViewRoot.java:409)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:103)
> at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)
> at
> pt.ptinovacao.components.aeolus.web.servlet.AeolusFacesServlet.service(AeolusFacesServlet.java:148)
> at
> br.com.vivo.vivo360.ui.servlet.Vivo360FacesServlet.service(Vivo360FacesServlet.java:82)
> at
> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
> at
> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
> at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
> at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> br.com.vivo.vivo360.ui.servlet.SessionExpiredFilter.doFilter(SessionExpiredFilter.java:51)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at br.com.vivo.vivo360.ui.servlet.ErrorFilter.doFilter(ErrorFilter.java:63)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
> at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
> at
> org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390)
> at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:26)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3393)
> at
> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
> at weblogic.security.service.SecurityManager.runAs(Unknown Source)
> at
> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2140)
> at
> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2046)
> at
> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1366)
> at weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)
> at weblogic.work.ExecuteThread.run(ExecuteThread.java:172)
> 24 Abr 2009 11:16:09,158 ERROR StackTrace:
> java.lang.NullPointerException: context must not be null
> at
> org.apache.myfaces.el.VariableResolverImpl.resolveVariable(VariableResolverImpl.java:47)
> at
> org.apache.myfaces.el.convert.VariableResolverToELResolver.getValue(VariableResolverToELResolver.java:93)
> at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:143)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.access$301(FacesCompositeELResolver.java:46)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver$4.invoke(FacesCompositeELResolver.java:108)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.invoke(FacesCompositeELResolver.java:148)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:104)
> at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:68)
> at com.sun.el.parser.AstNot.getValue(AstNot.java:46)
> at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192)
> at
> javax.faces.component._ComponentUtils.getExpressionValue(_ComponentUtils.java:233)
> at
> javax.faces.component.UIComponentBase.getExpressionValue(UIComponentBase.java:1155)
> at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:1225)
> at
> javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:685)
> at
> javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:688)
> at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:238)
> at org.ajax4jsf.component.AjaxViewRoot.processDecodes(AjaxViewRoot.java:409)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:103)
> at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)
> at
> pt.ptinovacao.components.aeolus.web.servlet.AeolusFacesServlet.service(AeolusFacesServlet.java:148)
> at
> br.com.vivo.vivo360.ui.servlet.Vivo360FacesServlet.service(Vivo360FacesServlet.java:82)
> at
> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
> at
> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
> at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
> at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> br.com.vivo.vivo360.ui.servlet.SessionExpiredFilter.doFilter(SessionExpiredFilter.java:51)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at br.com.vivo.vivo360.ui.servlet.ErrorFilter.doFilter(ErrorFilter.java:63)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
> at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
> at
> org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390)
> at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:26)
> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3393)
> at
> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
> at weblogic.security.service.SecurityManager.runAs(Unknown Source)
> at
> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2140)
> at
> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2046)
> at
> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1366)
> at weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)
> at weblogic.work.ExecuteThread.run(ExecuteThread.java:172)
> After occurs the error the server do not answer JSF requests. If we try a JSP
> page the server works fine.
> If we wait the server kill all sessions by timeout, after that the server
> start to answer JSF request and come back to work normally.
> It follows below the sources of filters and servlets that we use in the
> project:
> ******************************
> --> Web.xml
> ******************************
> <?xml version="1.0"?>
> <!--
> Licensed to the Apache Software Foundation (ASF) under one or
> more
> contributor license agreements. See the NOTICE file distributed
> with
> this work for additional information regarding copyright
> ownership.
> The ASF licenses this file to you under the Apache License,
> Version
> 2.0 (the "License"); you may not use this file except in
> compliance
> with the License. You may obtain a copy of the License at
> http://www.apache.org/licenses/LICENSE-2.0 Unless required by
> applicable law or agreed to in writing, software distributed
> under the
> License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
> OR
> CONDITIONS OF ANY KIND, either express or implied. See the
> License for
> the specific language governing permissions and limitations
> under the
> License.
> -->
> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
> http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd";>
> <display-name>vivo360</display-name>
> <context-param>
> <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
> <param-value>server</param-value>
> </context-param>
> <context-param>
> <param-name>javax.faces.CONFIG_FILES</param-name>
> <param-value>/WEB-INF/faces-config.xml,
> /WEB-INF/migracaocdma-faces-config.xml,
> /WEB-INF/migracaogsm-faces-config.xml,
> /WEB-INF/habilitacao-faces-config.xml,
> /WEB-INF/trocarplano-faces-config.xml,
> /WEB-INF/trocaraparelhocdmapre-faces-config.xml,
> /WEB-INF/menu-faces-config.xml,
> /WEB-INF/venderprodutosavulsos-faces-config.xml,
> /WEB-INF/trocarchip-faces-config.xml,
> /WEB-INF/trocarNumero-faces-config.xml,
>
> /WEB-INF/consultaHistoricoDetalheInteracao-faces-config.xml,
> /WEB-INF/trocarNumero-faces-config.xml,
> /WEB-INF/manterdadoslinha-faces-config.xml,
> /WEB-INF/atualizacaomodeloaparelho-faces-config.xml,
> /WEB-INF/consultaextratodetalhado-faces-config.xml,
> /WEB-INF/desbloqueiolinha-faces-config.xml,
> /WEB-INF/consultaPuk-faces-config.xml,
> /WEB-INF/consultarSenhasRecarga-faces-config.xml,
> /WEB-INF/trocararearegistro-faces-config.xml,
> /WEB-INF/desprogramarlinha-faces-config.xml,
> /WEB-INF/historicorecarga-faces-config.xml,
> /WEB-INF/desbloquearsimlock-faces-config.xml,
> /WEB-INF/bloquearaparelholinha-faces-config.xml,
> /WEB-INF/sincronizar-linha-faces-config.xml,
> /WEB-INF/consultaNotaFiscalRecarga-faces-config.xml,
> /WEB-INF/reuso-faces-config.xml
> </param-value>
> </context-param>
> <context-param>
> <description>
> If true, rendered HTML code will be formatted, so
> that it is "human readable". i.e. additional line
> separators and whitespace will be written, that do
> not influence the HTML code. Default: "true"
> </description>
> <param-name>org.apache.myfaces.PRETTY_HTML</param-name>
> <param-value>false</param-value>
> </context-param>
> <context-param>
> <param-name>org.apache.myfaces.USE_ENCRYPTION</param-name>
> <param-value>false</param-value>
> </context-param>
> <context-param>
> <description>
> Validate managed beans, navigation rules and
> ensure that forms are not nested.
> </description>
> <param-name>org.apache.myfaces.VALIDATE</param-name>
> <param-value>false</param-value>
> </context-param>
> <context-param>
>
> <param-name>org.apache.myfaces.COMPRESS_STATE_IN_SESSION</param-name>
> <param-value>false</param-value>
> </context-param>
> <context-param>
>
> <param-name>org.apache.myfaces.SERIALIZE_STATE_IN_SESSION</param-name>
> <param-value>false</param-value>
> </context-param>
> <context-param>
>
> <param-name>org.apache.myfaces.NUMBER_OF_VIEWS_IN_SESSION</param-name>
> <param-value>60</param-value>
> </context-param>
> <context-param>
>
> <param-name>org.apache.myfaces.NUMBER_OF_LOGICAL_VIEWS</param-name>
> <param-value>20</param-value>
> </context-param>
> <context-param>
> <param-name>org.richfaces.SKIN</param-name>
> <param-value>DEFAULT</param-value>
> </context-param>
>
> <!-- Configurações do Spring -->
> <context-param>
> <param-name>contextConfigLocation</param-name>
>
> <param-value>classpath:/spring/nfo-application-context.xml</param-value>
> </context-param>
> <context-param>
> <param-name>org.apache.myfaces.ERROR_HANDLING</param-name>
> <param-value>false</param-value>
> </context-param>
> <filter>
> <filter-name>ajax4jsf</filter-name>
> <filter-class>org.ajax4jsf.webapp.TidyFilter</filter-class>
> <init-param>
> <param-name>forceparser</param-name>
> <param-value>false</param-value>
> </init-param>
> </filter>
> <filter>
> <filter-name>MyFacesExtensionsFilter</filter-name>
>
> <filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class>
> </filter>
> <filter>
> <filter-name>ErrorFilter</filter-name>
>
> <filter-class>br.com.vivo.vivo360.ui.servlet.ErrorFilter</filter-class>
> <init-param>
> <param-name>errorPage</param-name>
> <param-value>/jsp/erro/Erro.jsf</param-value>
> </init-param>
> </filter>
> <filter>
> <filter-name>SessionExpiredFilter</filter-name>
>
> <filter-class>br.com.vivo.vivo360.ui.servlet.SessionExpiredFilter</filter-class>
> <init-param>
> <param-name>sessionExpiredPage</param-name>
> <param-value>/jsp/inicio/Autenticacao.jsf</param-value>
> </init-param>
> </filter>
> <filter>
> <filter-name>Cache Resource</filter-name>
>
> <filter-class>br.com.vivo.vivo360.ui.servlet.CacheResourceFilter</filter-class>
> <init-param>
> <param-name>hourToExpire</param-name>
> <param-value>8</param-value>
> </init-param>
> </filter>
> <filter-mapping>
> <filter-name>Cache Resource</filter-name>
> <url-pattern>*.js</url-pattern>
> <url-pattern>*.gif</url-pattern>
> <url-pattern>*.css</url-pattern>
> <url-pattern>*.jpg</url-pattern>
> <url-pattern>*.xcss</url-pattern>
> <dispatcher>REQUEST</dispatcher>
> <dispatcher>FORWARD</dispatcher>
> <dispatcher>INCLUDE</dispatcher>
> </filter-mapping>
> <filter-mapping>
> <filter-name>ajax4jsf</filter-name>
> <servlet-name>Faces Servlet</servlet-name>
> <dispatcher>REQUEST</dispatcher>
> <dispatcher>FORWARD</dispatcher>
> <dispatcher>INCLUDE</dispatcher>
> </filter-mapping>
> <filter-mapping>
> <filter-name>MyFacesExtensionsFilter</filter-name>
> <servlet-name>Faces Servlet</servlet-name>
> <dispatcher>REQUEST</dispatcher>
> <dispatcher>FORWARD</dispatcher>
> <dispatcher>INCLUDE</dispatcher>
> </filter-mapping>
> <filter-mapping>
> <filter-name>ErrorFilter</filter-name>
> <servlet-name>Faces Servlet</servlet-name>
> <dispatcher>REQUEST</dispatcher>
> <dispatcher>FORWARD</dispatcher>
> <dispatcher>INCLUDE</dispatcher>
> </filter-mapping>
> <filter-mapping>
> <filter-name>SessionExpiredFilter</filter-name>
> <servlet-name>Faces Servlet</servlet-name>
> <dispatcher>REQUEST</dispatcher>
> <dispatcher>FORWARD</dispatcher>
> <dispatcher>INCLUDE</dispatcher>
> </filter-mapping>
> <listener>
>
> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
> </listener>
> <listener>
> <listener-class>
>
> org.springframework.web.context.request.RequestContextListener</listener-class>
> </listener>
> <listener>
> <listener-class>
>
> br.com.vivo.vivo360.ui.listener.Vivo360SessionListener</listener-class>
> </listener>
> <!-- Faces Servlet -->
> <servlet>
> <servlet-name>Faces Servlet</servlet-name>
>
> <servlet-class>br.com.vivo.vivo360.ui.servlet.Vivo360FacesServlet</servlet-class>
> <init-param>
> <param-name>errorPage</param-name>
> <param-value>/jsp/erro/Erro.jsf</param-value>
> </init-param>
> <init-param>
> <param-name>authenticationPage</param-name>
> <param-value>/jsp/inicio/Autenticacao.jsf</param-value>
> </init-param>
> <init-param>
> <param-name>changePasswordPage</param-name>
> <param-value>/jsp/inicio/TrocarSenha.jsf</param-value>
> </init-param>
> <load-on-startup>1</load-on-startup>
> </servlet>
> <!-- Faces Servlet Mapping -->
> <servlet-mapping>
> <servlet-name>Faces Servlet</servlet-name>
> <url-pattern>*.jsf</url-pattern>
> </servlet-mapping>
> <session-config>
> <session-timeout>10</session-timeout>
> </session-config>
> <welcome-file-list>
> <welcome-file>index.jsp</welcome-file>
> </welcome-file-list>
> <login-config>
> <auth-method>BASIC</auth-method>
> </login-config>
> </web-app>
> *******************************
> --> AeolusFacesServlet
> *******************************
> /**
> * Projeto: VIVO360
> * CustomServlet.java
> * Descrição: Servlet que substitui o Servlet Padrão do Faces.
> *
> *...@author <a href="mailto:[email protected]";>Diego S
> Gargaro</a>
> *...@created Jun 17, 2008
> *...@version $Id: AeolusFacesServlet.java,v 1.10 2009/04/16 13:00:02
> xsdc743 Exp $
> */
> package pt.ptinovacao.components.aeolus.web.servlet;
> import java.io.IOException;
> import javax.faces.FactoryFinder;
> import javax.faces.webapp.FacesServlet;
> import javax.servlet.ServletConfig;
> import javax.servlet.ServletException;
> import javax.servlet.ServletRequest;
> import javax.servlet.ServletResponse;
> import javax.servlet.http.HttpServlet;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse;
> import org.apache.log4j.Logger;
> import org.apache.myfaces.shared_impl.webapp.webxml.DelegatedFacesServlet;
> import pt.ptinovacao.components.aeolus.web.session.AeolusSessionManager;
> /**
> * @author Diego S Gargaro
> */
> public class AeolusFacesServlet extends HttpServlet implements
> DelegatedFacesServlet {
> /**
> * Objeto que contém as propriedades do log4j para criar o log.
> */
> private static final Logger LOGGER =
> Logger.getLogger(AeolusFacesServlet.class);
>
> /**
> * Serial.
> */
> private static final long serialVersionUID = 1L;
> /**
> * Nome do parâmetro a ser buscado no web.xml que conterá o valor da
> página
> * de autenticação.
> */
> private static final String INIT_PARAM_AUTHENTICATION_PAGE =
> "authenticationPage";
> /**
> * Nome do parâmetro a ser buscado no web.xml que conterá o valor da
> página
> * de troca de senha.
> */
> private static final String INIT_PARAM_CHANGE_PASSWORD_PAGE =
> "changePasswordPage";
> /**
> * Servlet do Faces.
> */
> private FacesServlet delegate;
> /**
> * URL da página de autenticação à partir do contextPath.
> */
> private String authenticationPage;
> /**
> * URL da página de troca de senha à partir do contextPath.
> */
> private String changePasswordPage;
> /**
> * {...@inheritdoc}
> */
> public void init(final ServletConfig servletConfig) throws
> ServletException {
> delegate = new FacesServlet();
> // ******** Necessário à partir da versão 1.2 do MyFaces
> ********
> // -------- Configura manualmente cada factory
> ------------------
> FactoryFinder.setFactory(FactoryFinder.FACES_CONTEXT_FACTORY,
>
> "org.apache.myfaces.context.FacesContextFactoryImpl");
> FactoryFinder.setFactory(FactoryFinder.LIFECYCLE_FACTORY,
>
> "org.apache.myfaces.lifecycle.LifecycleFactoryImpl");
> FactoryFinder.setFactory(FactoryFinder.APPLICATION_FACTORY,
>
> "org.apache.myfaces.application.ApplicationFactoryImpl");
> FactoryFinder.setFactory(FactoryFinder.RENDER_KIT_FACTORY,
>
> "org.apache.myfaces.renderkit.RenderKitFactoryImpl");
> //
> **************************************************************
> delegate.init(servletConfig);
> authenticationPage = servletConfig
>
> .getInitParameter(INIT_PARAM_AUTHENTICATION_PAGE);
> if (authenticationPage == null) {
> throw new ServletException("must set '"
> + INIT_PARAM_AUTHENTICATION_PAGE
> + "' parameter in AeolusFacesServlet");
> }
> changePasswordPage = servletConfig
>
> .getInitParameter(INIT_PARAM_CHANGE_PASSWORD_PAGE);
> if (changePasswordPage == null) {
> throw new ServletException("must set '"
> + INIT_PARAM_CHANGE_PASSWORD_PAGE
> + "' parameter in AeolusFacesServlet");
> }
> }
> /**
> * {...@inheritdoc}
> */
> public void destroy() {
> if (LOGGER.isDebugEnabled()) {
> LOGGER.debug(" Fim do servlet do MyFaces. Nome da instância: " +
> delegate.getServletConfig().getServletName()
> + ", Configuração do Servlet: " +
> delegate.getServletInfo());
> }
> delegate.destroy();
> }
> /**
> * {...@inheritdoc}
> */
> public ServletConfig getServletConfig() {
> return delegate.getServletConfig();
> }
> /**
> * {...@inheritdoc}
> */
> public String getServletInfo() {
> return delegate.getServletInfo();
> }
> /**
> * {...@inheritdoc}
> */
> public void service(final ServletRequest request,
> final ServletResponse response) throws ServletException,
> IOException {
> if (isUserLogged((HttpServletRequest) request,
> (HttpServletResponse) response)) {
> delegate.service(request, response);
> } else {
>
> redirectToAuthenticationPage((HttpServletRequest) request,
> (HttpServletResponse) response);
> }
> }
> /**
> * Checa se o usuario está logado.
> *
> * @param request
> * Objeto HttpServletRequest.
> * @param response
> * Objeto HttpServletResponse.
> * @throws IOException
> * IOException.
> * @return True caso o usuário esteja autenticado ou seja a pagina de
> login
> * ou troca de senha.
> */
> protected boolean isUserLogged(final HttpServletRequest request,
> final HttpServletResponse response) throws IOException {
> // Verifica se o contexto é nulo e se nao são as paginas de
> login e
> // troca de senha
> if (!(request.getServletPath().equals(authenticationPage) ||
> request
> .getServletPath().equals(changePasswordPage))
> &&
> AeolusSessionManager.getInstance().getDefaultAeolusSession(
>
> request.getSession(true)).getAeolusUserContext() == null) {
> if (LOGGER.isDebugEnabled()) {
> LOGGER.debug(" Sessão vazia. " +
> request.getRequestedSessionId());
> }
> return false;
> }
>
> if (AeolusSessionManager.getInstance().getDefaultAeolusSession(
>
> request.getSession(true)).getAeolusUserContext() != null) {
> if (LOGGER.isDebugEnabled()) {
> LOGGER.debug(" ID da Sessão = " +
> request.getRequestedSessionId()
> + "Dados do Usuário: " +
> AeolusSessionManager.getInstance().getDefaultAeolusSession(
>
> request.getSession(true)).getAeolusUserContext().getUserName());
> }
> } else {
> if (LOGGER.isDebugEnabled()) {
> LOGGER.debug(" ID da Sessão = " +
> request.getRequestedSessionId());
> }
> }
> return true;
> }
> /**
> * Direciona o sistema para a tela de autenticação.
> *
> * @param request
> * Objeto HttpServletRequest.
> * @param response
> * Objeto HttpServletResponse.
> * @throws IOException
> * IOException.
> */
> protected void redirectToAuthenticationPage(
> final HttpServletRequest request, final
> HttpServletResponse response)
> throws IOException {
> if (!"".equals(authenticationPage)) {
> response.sendRedirect(request.getContextPath() +
> authenticationPage);
> }
> }
> }
> ************************************
> --> Vivo360FacesServlet
> ***********************************
> /**
> * Projeto: VIVO360
> * Vivo360FacesServlet.java
> * Descrição: Servlet para o projeto Vivo360 que estende o AeolusFacesServlet.
> *
> *...@author <a href="mailto:[email protected]";>Diego S
> Gargaro</a>
> *...@created 14/08/2008
> *...@version $Id: Vivo360FacesServlet.java,v 1.14 2009/04/17 17:09:02
> xsdc743 Exp $
> */
> package br.com.vivo.vivo360.ui.servlet;
> import java.io.IOException;
> import javax.servlet.ServletConfig;
> import javax.servlet.ServletException;
> import javax.servlet.ServletRequest;
> import javax.servlet.ServletResponse;
> import javax.servlet.http.HttpServletRequest;
> import javax.servlet.http.HttpServletResponse;
> import org.ajax4jsf.context.AjaxContext;
> import org.apache.log4j.Level;
> import pt.ptinovacao.components.aeolus.web.servlet.AeolusFacesServlet;
> import pt.ptinovacao.components.aeolus.web.session.AeolusSession;
> import br.com.vivo.vivo360.commons.exception.Vivo360ApplicationException;
> import br.com.vivo.vivo360.commons.util.ErrorUtils;
> import br.com.vivo.vivo360.commons.util.LogUtils;
> import br.com.vivo.vivo360.commons.util.context.ContextUtils;
> import br.com.vivo.vivo360.util.constant.error.infra.ConstantsTratamentoErro;
> /**
> * @author Diego S Gargaro
> *
> */
> public class Vivo360FacesServlet extends AeolusFacesServlet {
> /**
> * Serial.
> */
> private static final long serialVersionUID = 1L;
> /**
> * Nome do parâmetro a ser buscado no web.xml que conterá o valor da
> página
> * de erro.
> */
> private static final String INIT_PARAM_ERROR_PAGE = "errorPage";
> /**
> * URL da página de erro à partir do contextPath.
> */
> private String errorPage;
> /**
> * {...@inheritdoc}
> */
> @Override
> public void init(
> final ServletConfig servletConfig)
> throws ServletException {
> super.init(servletConfig);
> errorPage = servletConfig.getInitParameter(INIT_PARAM_ERROR_PAGE);
> if (errorPage == null) {
> throw new ServletException("É necessário configurar o parâmetro
> '" + INIT_PARAM_ERROR_PAGE
> + "' no Vivo360FacesServlet");
> }
> }
> /**
> * {...@inheritdoc}
> */
> @Override
> public void service(
> final ServletRequest request,
> final ServletResponse response)
> throws ServletException, IOException {
> AeolusSession aeolusSession = (AeolusSession) ((HttpServletRequest)
> request).getSession().getAttribute(
>
> "pt.ptinovacao.components.aeolus.web.session.defaultSessionName");
> try {
> this.configNoCacheRespone((HttpServletResponse) response);
> super.service(request, response);
> //Remove o identificador de quando o sistema está posicionado na
> tela de erro.
> if (((HttpServletRequest)
> request).getSession().getAttribute(ConstantsTratamentoErro.KEY_IS_ERROR_PAGE)
> != null) {
> //Se for a request do redirect para a tela de erro.
> if ((Boolean) ((HttpServletRequest)
> request).getSession().getAttribute(ConstantsTratamentoErro.KEY_IS_ERROR_PAGE))
> {
> Boolean isErrorPage = Boolean.FALSE;
> ((HttpServletRequest)
> request).getSession().setAttribute(ConstantsTratamentoErro.KEY_IS_ERROR_PAGE,
> isErrorPage);
> } else {
> ((HttpServletRequest)
> request).getSession().removeAttribute(ConstantsTratamentoErro.KEY_IS_ERROR_PAGE);
> }
> }
> } catch (ServletException servletException) {
> Boolean isAjax = false;
> if ((AjaxContext)
> request.getAttribute(AjaxContext.AJAX_CONTEXT_KEY) != null) {
> isAjax = ((AjaxContext)
> request.getAttribute(AjaxContext.AJAX_CONTEXT_KEY)).isAjaxRequest();
> }
> this.logError(servletException.getRootCause(),
> (HttpServletRequest) request);
> if (isAjax) {
> throw servletException;
> } else {
> //Verifica se o sistema já está posicionado na tela de erro.
> if (isUserLogged((HttpServletRequest) request,
> (HttpServletResponse) response)
> && ((HttpServletRequest)
> request).getSession().getAttribute(ConstantsTratamentoErro.KEY_IS_ERROR_PAGE)
> == null) {
> //Se não estiver, manda para a tela de erro.
> ((HttpServletRequest)
> request).getSession().setAttribute(ConstantsTratamentoErro.KEY_IS_ERROR_PAGE,
> true);
> //Verifica se o erro foi tratado.
> if
> (request.getAttribute(ConstantsTratamentoErro.ERRO_TRATADO_KEY) == null) {
> //Se não foi, inclui esse erro no tratamento de erros.
>
> ErrorUtils.getInstance().addCommonError((HttpServletRequest) request,
> servletException.getRootCause(),
>
> ConstantsTratamentoErro.ERRO_COMMON_DEFAULT_KEY);
> }
> redirectToErrorPage((HttpServletRequest) request,
> (HttpServletResponse) response);
> } else {
> //Se estiver, não trata a exceção.
> ((HttpServletRequest)
> request).getSession().removeAttribute(ConstantsTratamentoErro.KEY_IS_ERROR_PAGE);
> throw servletException;
> }
> }
> }
> }
> /**
> * Direciona o sistema para a tela de erro.
> * @param request Objeto HttpServletRequest.
> * @param response Objeto HttpServletResponse.
> * @throws IOException IOException.
> */
> protected void redirectToErrorPage(
> final HttpServletRequest request,
> final HttpServletResponse response)
> throws IOException {
> if (!"".equals(errorPage)) {
> response.sendRedirect(request.getContextPath() + errorPage);
> }
> }
> private void configNoCacheRespone(
> HttpServletResponse response) {
> response.setHeader("Cache-Control", "no-cache");
> response.setHeader("Pragma", "no-cache");
> response.setDateHeader("Expires", -1);
> }
> private void logError(
> final Throwable throwable,
> final HttpServletRequest request) {
>
> Throwable causeThrowable = buscaVivo360Exception(throwable);
>
> if (!(causeThrowable instanceof Vivo360ApplicationException)) {
> causeThrowable = throwable;
> }
> boolean doLog = true;
> if (causeThrowable instanceof Vivo360ApplicationException) {
> if (((Vivo360ApplicationException)
> causeThrowable).getErroInfoBean() != null) {
> doLog = !((Vivo360ApplicationException)
> causeThrowable).getErroInfoBean().isLogged();
> }
> }
> if (doLog) {
> StringBuilder stringBuilder = new StringBuilder("Ocorreu um erro
> na camada de apresentação, segue detalhes:");
>
> stringBuilder.append(LogUtils.getInstance().getDetalheCabecalhoUsuario(request));
>
> stringBuilder.append(LogUtils.getInstance().getDetalheDaException(causeThrowable));
> LogUtils.getInstance().logMessage(stringBuilder.toString(),
> Level.ERROR);
> LogUtils.getInstance().logThrowable(causeThrowable);
> }
> }
>
> private Throwable buscaVivo360Exception(final Throwable throwable) {
> if (throwable instanceof Vivo360ApplicationException) {
> return throwable;
> }
> if (throwable.getCause() != null) {
> return buscaVivo360Exception(throwable.getCause());
> }
> return throwable;
> }
> }
> This problem is critical because this occurs in production.
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