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结束会话scoped bean然后在单击命令按钮时重定向

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我有一个简单的命令按钮

<h:commandButton value="Create Form Event" action="#{formEventController.createFormEvent}"/>

它调用以下简单的动作侦听器

@Named
@ConversationScoped
public class FormEventController implements Serializable
{
    @Inject
    private Conversation conversation;

    ...

    public String createFormEvent()
    {
        conversation.end();
        return "events?id=" + form.getId() + "&faces-redirect=true";
    }
}

所以基本上我想要一个按钮,点击后会结束对话,然后重定向到新页面......

这工作ONCE,然后每次我在我的日志中看到以下内容..(从用户的角度来看,一切正常..当点击按钮时,重定向正常工作)

SEVERE:java.util.HashMap上的java.util.ConcurrentModificationException $ java.util.HashMap中的$ HashIterator.nextEntry(HashMap.java:793)$ java.util.HashMap上的$ EntryIterator.next(HashMap.java:834)$ EntryIterator .next(HashMap.java:832)org.jboss.weld.context.AbstractConversationContext.deactivate(AbstractConversationContext.java:250)org.jboss.weld.jsf.WeldPhaseListener.deactivateConversations(WeldPhaseListener.java:131)at org . j.soss.weld.jsf.WeldPhaseListener.afterPhase(WeldPhaseListener.java:96)at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:189)at com.sun.faces.lifecycle.Phase.doPhase(Phase . java:107)at com.un.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)at org.apache.catalina.core.StandardWrapper .service(StandardWrapper.java:1534)org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)org.apache.catalina.core.ApplicationFilterChain.doFi lter(ApplicationFilterChain.java:215)位于org.apache的org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)的net.balusc.http.multipart.MultipartFilter.doFilter(MultipartFilter.java:78) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)中的.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)位于org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java) :175)在org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)com.sun.enterprise.web . WebPipeline.invoke(WebPipeline.java:98)位于org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)的com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91) org.apache.catal上的.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:326) ina.connector.CoyoteAdapter.service(CoyoteAdapter.java:227)at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:170)at com.sun.grizzly.http.ProcessorTask.invokeAdapter( ProcessorTask.java:822)com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:719)at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1013)at com.sun.grizzly .http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)at com . sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)at com.sun.grizzly.ContextTask.run(ContextTask.java:7 1)at com.sun.grizzly.util.AbstractThreadPool $ Worker.doWork(AbstractThreadPool.java:532)at com.sun.grizzly.util.AbstractThreadPool $ Worker.run(AbstractThreadPool.java:513)at java.lang.Thread .run(Thread.java:662)严重:WebModule [] PWC1322:在ServletRequestListener上调用requestDestroyed方法时出错org.jboss.weld.servlet.WeldListener java.lang.IllegalStateException:org.jboss.weld.context中的上下文未激活 . org.jboss.weld.servlet.WeldListener.requestDestroyed(WeldListener.java:125)上的orCon.apache.catalina.core.StandardContext.fireRequestDestroyedEvent(StandardContext.java:4588)org中的AbstractConversationContext.deactivate(AbstractConversationContext.java:263) .apache.catalina.core.StandardHostValve.postInvoke(StandardHostValve.java:243)org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:328)org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter) .java:227)atcom.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:170)at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:822)at com.sun.grizzly.http . 处理器中的com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1013)处于com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)的ProcessorTask.doProcess(ProcessorTask.java:719) .sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java: 59)at com.sun.grizzly.ContextTask.run(ContextTask.java:71)at com.sun.grizzly.util.AbstractThreadPool $ Worker.doWork(Abs tractThreadPool.java:532)at com.sun.grizzly.util.AbstractThreadPool $ Worker.run(AbstractThreadPool.java:513)at java.lang.Thread.run(Thread.java:662)

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