我的第一个 JSF/IceFaces(版本 1.8.2)应用程序在 JBoss 5.1.0 上运行时遇到问题。
一段时间后我收到一个异常,告诉我有关会话问题。这很奇怪,因为我根本不在我的代码中使用会话。以下日志显示由于此错误(来自 JBoss),我的所有支持 bean 都无法实例化:
com.sun.faces.mgbean.ManagedBeanCreationException: Cant instantiate class: bean.Abgrenzungsreise.
at com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:191)
at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:106)
at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:368)
at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:222)
at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:86)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)
at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:61)
at org.apache.el.parser.AstValue.getValue(AstValue.java:107)
at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
at javax.faces.component.UISelectItems.getValue(UISelectItems.java:141)
at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.getSelectItems(MenuRenderer.java:637)
at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.countSelectOptionsRecursive(MenuRenderer.java:448)
at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.renderSelect(MenuRenderer.java:377)
at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:119)
at com.icesoft.faces.component.ext.renderkit.MenuRenderer.encodeEnd(MenuRenderer.java:51)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)
at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:370)
at com.icesoft.faces.renderkit.dom_html_basic.GridRenderer.encodeChildren(GridRenderer.java:208)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:358)
at com.icesoft.faces.renderkit.dom_html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:96)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at com.icesoft.faces.component.util.CustomComponentUtils.renderChild(CustomComponentUtils.java:339)
at com.icesoft.faces.component.paneltabset.PanelTabSetRenderer.writeTabCell(PanelTabSetRenderer.java:977)
at com.icesoft.faces.component.paneltabset.PanelTabSetRenderer.encodeEnd(PanelTabSetRenderer.java:423)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:503)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:456)
at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:159)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:19)
at com.icesoft.faces.context.View$2$1.respond(View.java:48)
at com.icesoft.faces.webapp.http.servlet.ServletRequestResponse.respondWith(ServletRequestResponse.java:201)
at com.icesoft.faces.context.View$2.serve(View.java:77)
at com.icesoft.faces.context.View.servePage(View.java:149)
at com.icesoft.faces.webapp.http.core.SingleViewServer.service(SingleViewServer.java:52)
at com.icesoft.faces.webapp.http.common.ServerProxy.service(ServerProxy.java:11)
at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet$4.service(MainSessionBoundServlet.java:149)
at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:24)
at com.icesoft.faces.webapp.http.servlet.BasicAdaptingServlet.service(BasicAdaptingServlet.java:16)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)
at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:53)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)
at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:131)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:696)
at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:667)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:58)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:662)
Caused by: com.icesoft.faces.webapp.http.core.SessionExpiredException: User session has expired or it was invalidated.
at com.icesoft.faces.webapp.http.servlet.ProxyHttpSession.getAttribute(ProxyHttpSession.java:77)
at com.icesoft.faces.webapp.http.servlet.ServletSessionAttributeMap.getAttribute(ServletSessionAttributeMap.java:16)
at com.icesoft.faces.context.AbstractAttributeMap.containsKey(AbstractAttributeMap.java:85)
at com.sun.faces.mgbean.BeanManager.isBeanInScope(BeanManager.java:177)
at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:82)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)
at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
at bean.Abgrenzungsreise.(Abgrenzungsreise.java:39)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.Class.newInstance0(Class.java:355)
at java.lang.Class.newInstance(Class.java:308)
at com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:186)
... 86 more
Caused by: java.lang.IllegalStateException: getAttribute: Session already invalidated
at org.apache.catalina.session.StandardSession.getAttribute(StandardSession.java:1032)
at org.apache.catalina.session.StandardSessionFacade.getAttribute(StandardSessionFacade.java:110)
at com.icesoft.faces.webapp.http.servlet.ProxyHttpSession.getAttribute(ProxyHttpSession.java:75)
... 100 more
2011-01-28 08:05:54,326 ERROR [com.icesoft.faces.context.View] (http-0.0.0.0-8080-3) Problem encountered during View.servePage
com.sun.faces.mgbean.ManagedBeanCreationException: Cant instantiate class: bean.Abgrenzungsreise.
at com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:191)
at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:106)
at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:368)
at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:222)
at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:86)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)
at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:61)
at org.apache.el.parser.AstValue.getValue(AstValue.java:107)
at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
at javax.faces.component.UISelectItems.getValue(UISelectItems.java:141)
at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.getSelectItems(MenuRenderer.java:637)
at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.countSelectOptionsRecursive(MenuRenderer.java:448)
at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.renderSelect(MenuRenderer.java:377)
at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:119)
at com.icesoft.faces.component.ext.renderkit.MenuRenderer.encodeEnd(MenuRenderer.java:51)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)
at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:370)
at com.icesoft.faces.renderkit.dom_html_basic.GridRenderer.encodeChildren(GridRenderer.java:208)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:358)
at com.icesoft.faces.renderkit.dom_html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:96)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at com.icesoft.faces.component.util.CustomComponentUtils.renderChild(CustomComponentUtils.java:339)
at com.icesoft.faces.component.paneltabset.PanelTabSetRenderer.writeTabCell(PanelTabSetRenderer.java:977)
at com.icesoft.faces.component.paneltabset.PanelTabSetRenderer.encodeEnd(PanelTabSetRenderer.java:423)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:503)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497)
at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:456)
at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:159)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:19)
at com.icesoft.faces.context.View$2$1.respond(View.java:48)
at com.icesoft.faces.webapp.http.servlet.ServletRequestResponse.respondWith(ServletRequestResponse.java:201)
at com.icesoft.faces.context.View$2.serve(View.java:77)
at com.icesoft.faces.context.View.servePage(View.java:149)
at com.icesoft.faces.webapp.http.core.SingleViewServer.service(SingleViewServer.java:52)
at com.icesoft.faces.webapp.http.common.ServerProxy.service(ServerProxy.java:11)
at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet$4.service(MainSessionBoundServlet.java:149)
at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:24)
at com.icesoft.faces.webapp.http.servlet.BasicAdaptingServlet.service(BasicAdaptingServlet.java:16)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)
at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:53)
at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)
at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:131)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:444)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:696)
at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:667)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:58)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:662)
Caused by: com.icesoft.faces.webapp.http.core.SessionExpiredException: User session has expired or it was invalidated.
at com.icesoft.faces.webapp.http.servlet.ProxyHttpSession.getAttribute(ProxyHttpSession.java:77)
at com.icesoft.faces.webapp.http.servlet.ServletSessionAttributeMap.getAttribute(ServletSessionAttributeMap.java:16)
at com.icesoft.faces.context.AbstractAttributeMap.containsKey(AbstractAttributeMap.java:85)
at com.sun.faces.mgbean.BeanManager.isBeanInScope(BeanManager.java:177)
at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:82)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)
at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
at bean.Abgrenzungsreise.(Abgrenzungsreise.java:39)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.Class.newInstance0(Class.java:355)
at java.lang.Class.newInstance(Class.java:308)
at com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:186)
... 86 more
Caused by: java.lang.IllegalStateException: getAttribute: Session already invalidated
at org.apache.catalina.session.StandardSession.getAttribute(StandardSession.java:1032)
at org.apache.catalina.session.StandardSessionFacade.getAttribute(StandardSessionFacade.java:110)
at com.icesoft.faces.webapp.http.servlet.ProxyHttpSession.getAttribute(ProxyHttpSession.java:75)
... 100 more
我发现异常是在上次用户活动半小时后引发的。
IceFaces 论坛上也报告了同样的问题:
- http://www.icefaces.org/JForum/posts/list/7752.page http://www.icefaces.org/JForum/posts/list/7752.page
- http://www.icefaces.org/JForum/posts/list/18154.page http://www.icefaces.org/JForum/posts/list/18154.page
提议的解决方案是:
一旦我们关闭异步模式,就会发生这种情况
<!-- Specifies to the ICEfaces framework that synchronous update mode is to be
used. By default, ICEfaces uses asynchronous update mode to support
server-initiated updates (AJAX push). Setting to true will enable
synchronous update mode and disable AJAX push features. -->
<context-param>
<param-name>com.icesoft.faces.synchronousUpdate</param-name>
<param-value>true</param-value>
</context-param>
当这是错误的时,我们收到了一个不错的小会话超时消息。
当这是真的时,会话超时行为是堆栈跟踪。
and
与此同时,我已经从 ICEfaces 1.8.2 切换到了目前 svn 存储库中的版本 (1.8.3+)。并且行为发生了变化。不再有崩溃了。
至于您在任何地方都没有使用会话的声明,堆栈跟踪表明在引发此异常时它正在尝试创建会话范围的托管 bean。所以你肯定在使用会话:)
Update根据评论:您确实绝对不应该分配(基于请求!!)FacesContext
as a static
多变的。此外,还需要注入其他豆子<managed-property>
in faces-config.xml
。否则它根本就不是“注入”,而只是manually访问另一个bean。通过注入,您可以让 JSF 完成将另一个 bean 设置为当前 bean 的属性的工作。可以找到一个例子here http://balusc.blogspot.com/2006/06/communication-in-jsf.html#InjectingManagedBeansInEachOther.
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