使用 OC4J 10.1.3.5 和 ADF 关闭弹出表单时出现 java.lang.IllegalStateException

Question

我们正在使用 OC4J 10.1.3.5 和 ADF。我有一个弹出表单，关闭时出现以下错误。我想知道我缺少什么以及如何解决它？

Jun 15, 2010 8:26:49 AM com.sun.faces.lifecycle.ApplyRequestValuesPhase execute
SEVERE: java.lang.IllegalStateException: popView(): No view has been pushed.
javax.faces.el.EvaluationException: java.lang.IllegalStateException: popView(): No view has been pushed.
        at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:150)
        at oracle.adf.view.faces.component.UIXComponentBase.__broadcast(UIXComponentBase.java:1087)
        at oracle.adf.view.faces.component.UIXCommand.broadcast(UIXCommand.java:204)
        at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:269)
        at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:327)
        at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:99)
        at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:213)
        at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
        at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:233)
        at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:202)
        at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:12

Answer 1

来自文档:

IllegalStateException signals that a method has been invoked at an illegal or inappropriate time. In other words, the Java environment or Java application is not in an appropriate state for the requested operation.

没有解决此类异常的 Elixir ；您必须根据具体情况进行处理，研究您正在使用的任何库的 API，并找出非法状态发生的位置。

在这种特殊情况下，看起来 popView() 在堆栈为空时被调用。您可能缺少 pushView，或者错误计算了推送与弹出的数量。