Hello everyone
i have three view objects
countary
cities
and tbl PropertyMaster
tblPropertyMaster have references of country and cities view objects.
i have created cascade lov of country and cities in tblPropertyMaster view object..

Problem
first time both lovs work fine but when i try to change country after selecting city first time i got the following error ..

<UIXRegion> <_warn> Error processing viewId: /TestHome.jsf URI: /TestHome.jsf actual-URI: null.
java.lang.ArrayIndexOutOfBoundsException: 1
at oracle.adfinternal.view.faces.model.binding.FacesCtrlListBinding.findObjectFromIndex(FacesCtrlListBinding.java:334)
at oracle.adfinternal.view.faces.model.binding.FacesCtrlListBinding.getInputValue(FacesCtrlListBinding.java:207)
at oracle.jbo.uicli.binding.JUCtrlValueBinding.internalGet(JUCtrlValueBinding.java:2416)
at oracle.jbo.uicli.binding.JUCtrlListBinding.internalGet(JUCtrlListBinding.java:3714)
at oracle.adfinternal.view.faces.model.binding.FacesCtrlListBinding.internalGet(FacesCtrlListBinding.java:500)
at oracle.adf.model.binding.DCControlBinding.get(DCControlBinding.java:749)
at javax.el.MapELResolver.getValue(MapELResolver.java:164)
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.AstValue.getValue(Unknown Source)
at com.sun.el.ValueExpressionImpl.getValue(Unknown Source)
at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109)
at org.apache.myfaces.trinidad.bean.FacesBeanImpl.getProperty(FacesBeanImpl.java:73)
at oracle.adfinternal.view.faces.renderkit.rich.ValueRenderer.getValue(ValueRenderer.java:184)
at oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectOneRenderer._getSelectedIndex(SimpleSelectOneRenderer.java:356)
at oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectOneRenderer.getSelectedItems(SimpleSelectOneRenderer.java:137)
at oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectBaseRenderer._renderContent(SimpleSelectBaseRenderer.java:203)
at oracle.adfinternal.view.faces.renderkit.rich.SimpleSelectBaseRenderer.renderElementContent(SimpleSelectBaseRenderer.java:116)
at oracle.adfinternal.view.faces.renderkit.rich.FormInputRenderer.encodeAllAsElement(FormInputRenderer.java:152)
at oracle.adfinternal.view.faces.renderkit.rich.FormElementRenderer.encodeAll(FormElementRenderer.java:164)
at oracle.adf.view.rich.render.RichRenderer.delegateRenderer(RichRenderer.java:1700)
at oracle.adfinternal.view.faces.renderkit.rich.LabeledInputRenderer.renderFieldCellContents(LabeledInputRenderer.java:228)
at oracle.adfinternal.view.faces.renderkit.rich.LabelLayoutRenderer.renderFieldCell(LabelLayoutRenderer.java:528)
at oracle.adfinternal.view.faces.renderkit.rich.LabelLayoutRenderer.encodeAll(LabelLayoutRenderer.java:305)
at oracle.adfinternal.view.faces.renderkit.rich.LabeledInputRenderer.encodeAll(LabeledInputRenderer.java:215)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer._encodeFormItem(PanelFormLayoutRenderer.java:1088)
at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer.access$100(PanelFormLayoutRenderer.java:50)
at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer$FormColumnEncoder.processComponent(PanelFormLayoutRenderer.java:1604)
at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer$FormColumnEncoder.processComponent(PanelFormLayoutRenderer.java:1523)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:318)
at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:283)
at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer._encodeChildren(PanelFormLayoutRenderer.java:420)
at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer.encodeAll(PanelFormLayoutRenderer.java:208)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at oracle.adf.view.rich.render.RichRenderer.encodeStretchedChild(RichRenderer.java:2194)
at oracle.adfinternal.view.faces.renderkit.rich.PanelHeaderRenderer.access$500(PanelHeaderRenderer.java:41)
at oracle.adfinternal.view.faces.renderkit.rich.PanelHeaderRenderer$ChildEncoderCallback.processComponent(PanelHeaderRenderer.java:1509)
at oracle.adfinternal.view.faces.renderkit.rich.PanelHeaderRenderer$ChildEncoderCallback.processComponent(PanelHeaderRenderer.java:1492)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:318)
at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:283)
at oracle.adfinternal.view.faces.renderkit.rich.PanelHeaderRenderer.renderChildrenAfterHelpAndInfo(PanelHeaderRenderer.java:628)
at oracle.adfinternal.view.faces.renderkit.rich.PanelHeaderRenderer._renderContentCell(PanelHeaderRenderer.java:1169)
at oracle.adfinternal.view.faces.renderkit.rich.PanelHeaderRenderer.renderContentRow(PanelHeaderRenderer.java:575)
at oracle.adfinternal.view.faces.renderkit.rich.PanelHeaderRenderer.encodeAll(PanelHeaderRenderer.java:248)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:878)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:1299)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeMiddlePanes(PanelStretchLayoutRenderer.java:350)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:315)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at oracle.adfinternal.view.faces.taglib.region.IncludeTag$FacetWrapper.encodeAll(IncludeTag.java:547)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:878)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:1299)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeMiddlePanes(PanelStretchLayoutRenderer.java:350)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:315)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:878)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:1299)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeMiddlePanes(PanelStretchLayoutRenderer.java:350)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:315)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer.access$500(RegionRenderer.java:50)
at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer$ChildEncoderCallback.processComponent(RegionRenderer.java:712)
at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer$ChildEncoderCallback.processComponent(RegionRenderer.java:692)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:318)
at oracle.adf.view.rich.render.RichRenderer.encodeFlattenedComponents(RichRenderer.java:1664)
at oracle.adf.view.rich.render.RichRenderer.encodeFlattenedComponents(RichRenderer.java:1624)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.processFlattenedChildren(ContextSwitchingComponent.java:307)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:163)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:318)
at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:283)
at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer._encodeChildren(RegionRenderer.java:297)
at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer.encodeAll(RegionRenderer.java:186)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at oracle.adf.view.rich.component.fragment.UIXRegion.encodeEnd(UIXRegion.java:323)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:878)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:1299)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeMiddlePanes(PanelStretchLayoutRenderer.java:350)
at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:315)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
at oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:274)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1275)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at oracle.adfinternal.view.faces.context.PartialViewContextImpl._processRender(PartialViewContextImpl.java:321)
at oracle.adfinternal.view.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:152)
at javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:974)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1674)
at oracle.adfinternal.view.faces.component.AdfViewRoot.encodeAll(AdfViewRoot.java:91)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:399)
at org.apache.myfaces.trinidadinternal.application.ViewDeclarationLanguageFactoryImpl$ChangeApplyingVDLWrapper.renderView(ViewDeclarationLanguageFactoryImpl.java:350)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:273)
at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:165)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:1035)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:342)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:236)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:509)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:125)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
<FaceletViewHandlingStrategy> <handleRenderException> Error Rendering View[/TestHome.jsf]
java.lang.ArrayIndexOutOfBoundsException: 1
(UIXComponentBase.java:923)