JSF-无法将SessionScopedBean设置为ViewScopedBean
我用JSF2.2.12、Prime Faces 6.0、Omnifaces 2.4和Glassfish 4.1.1开发了一个Java Web应用程序 如果用户没有会话,并尝试通过与主页不同的页面访问网站,则会显示此错误 无法为托管bean ContactController设置属性SessionScopedBean ... ... 原因:java.lang.IllegalStateException:提交响应后无法创建会话 我还看到了一些关于“提交响应后无法创建会话”的其他问题,并看到了一些“解决方案” 目前最“有效”的答案是这个。 是的,错误消失了,但缺点是用户被重定向到主页。 对我来说不清楚这里发生了什么 这里有一些代码,但是所有的bean都没有做任何特殊的事情 接触器控制器JSF-无法将SessionScopedBean设置为ViewScopedBean,jsf,glassfish,Jsf,Glassfish,我用JSF2.2.12、Prime Faces 6.0、Omnifaces 2.4和Glassfish 4.1.1开发了一个Java Web应用程序 如果用户没有会话,并尝试通过与主页不同的页面访问网站,则会显示此错误 无法为托管bean ContactController设置属性SessionScopedBean ... ... 原因:java.lang.IllegalStateException:提交响应后无法创建会话 我还看到了一些关于“提交响应后无法创建会话”的其他问题,并看到了一些“解
@ManagedBean
@ViewScoped
public class ContactController implements Serializable {
@ManagedProperty(value = "#{sessionScopedBean}")
private SessionScopedBean sessionScopedBean;
public void loadThePage() {
UserInSessionBean userInSessionBean = sessionScopedBean.getUserInSessionBean();
if (userInSessionBean != null) {
...
}
}
SessionScopedBean
@ManagedBean(name = "sessionScopedBean")
@SessionScoped
public class SessionScopedBean implements Serializable{
private UserInSessionBean userInSessionBean;
...
...
public UserInSessionBean getUserInSessionBean() {
return userInSessionBean;
}
public void setUserInSessionBean(UserInSessionBean userInSessionBean) {
this.userInSessionBean = userInSessionBean;
}
}
因此,基本上,当我的用户没有会话并尝试访问与主页不同的页面时,问题就会出现。
在所有其他情况下,我没有任何问题
这里是完整的堆栈跟踪
Warning: Unable to set property sessionScopedBean for managed bean contactController
com.sun.faces.mgbean.ManagedBeanCreationException: Unable to set property sessionScopedBean for managed bean contactController
at com.sun.faces.mgbean.ManagedBeanBuilder$BakedBeanProperty.set(ManagedBeanBuilder.java:615)
at com.sun.faces.mgbean.ManagedBeanBuilder.buildBean(ManagedBeanBuilder.java:133)
at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:102)
at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:409)
at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269)
at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:257)
at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:117)
at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:116)
at com.sun.el.parser.AstValue.getBase(AstValue.java:151)
at com.sun.el.parser.AstValue.getTarget(AstValue.java:170)
at com.sun.el.parser.AstValue.invoke(AstValue.java:272)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304)
at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:40)
at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
at javax.faces.component.UIViewAction.broadcast(UIViewAction.java:562)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:658)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:344)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.glassfish.tyrus.servlet.TyrusServletFilter.doFilter(TyrusServletFilter.java:305)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at com.myApp.jsf.filter.SecurityWebFilter.doFilter(SecurityWebFilter.java:42)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at com.classicvirus.jsf.filter.LoggedUserWebFilter.doFilter(LoggedUserWebFilter.java:55)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:316)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalStateException: Cannot create a session after the response has been committed
at org.apache.catalina.connector.Request.doGetSession(Request.java:3241)
at org.apache.catalina.connector.Request.getSession(Request.java:2884)
at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:908)
at com.sun.faces.context.ExternalContextImpl.getSession(ExternalContextImpl.java:167)
at javax.faces.context.ExternalContextWrapper.getSession(ExternalContextWrapper.java:438)
at com.sun.faces.mgbean.BeanManager$ScopeManager$SessionScopeHandler.handle(BeanManager.java:578)
at com.sun.faces.mgbean.BeanManager$ScopeManager.pushToScope(BeanManager.java:458)
at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:410)
at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269)
at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:257)
at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:117)
at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:116)
at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:226)
at org.jboss.weld.el.WeldValueExpression.getValue(WeldValueExpression.java:50)
at com.sun.faces.mgbean.BeanBuilder$Expression.evaluate(BeanBuilder.java:561)
at com.sun.faces.mgbean.ManagedBeanBuilder$BakedBeanProperty.set(ManagedBeanBuilder.java:606)
... 67 more
你能帮我吗?经过调查,我意识到这是我的错误和(可能)JSF错误的混合 关于以下几点
At the moment the most "effective" is this answer http://stackoverflow.com/a/9687525/3564882. Yes, the error disappears, but the drawback is that the user is redirected to the home page. For me is not clear what's happening here.
是我的错,因为在过去的@PostConstruct方法中,我将用户重定向到主页。
在我的理想场景中,新代码会创建一个bug
但对我来说,不清楚如果需要,为什么我们需要创建会话。有时候JSF需要它。有时候不是。
因此,我认为这是JSF内部的一个小错误
只是简单地回顾一下。
解决方法是放置此线
FacesContext.getCurrentInstance().getExternalContext().getSession(true);
在所有控制器中(我有一个帮助我的超类)
在此之后,记住创建“sessionScopedBean”,认为问题中解释的案例存在。这样你将避免浪费一些时间