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初探JDeveloper – Could not export XML to ResponseWriter解决方案

2013年10月11日 ⁄ 综合 ⁄ 共 19833字 ⁄ 字号 评论关闭

问题描述:建立一个ADF应用,运用到了graph,不过当网站加载graph的时候,就会报错,内容如下:

Could not export XML to ResponseWriter

oracle.dss.util.transform.TransformRuntimeException

java.lang.NullPointerException

at oracle.dss.util.transform.CubicDataAccess.getValue(CubicDataAccess.java:908)

at oracle.dss.util.transform.CubicDataAccess.getValue(CubicDataAccess.java:1448)

at oracle.adfinternal.view.faces.bi.util.DataAccessDecorator.getValue(DataAccessDecorator.java:53)

at oracle.dss.graph.DataCallback.getValue(DataCallback.java:422)

at oracle.dss.graph.DataCallback.getValue(DataCallback.java:379)

at oracle.dss.graph.pfj.Perspective.setDataFromDataGrid(Perspective.java:15841)

at oracle.dss.graph.pfj.Perspective.sendXMLToStreamExc(Perspective.java:12338)

at oracle.dss.graph.CommonGraph.exportToXMLWithException(CommonGraph.java:8042)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.ImageViewRendererUtils.renderXML(ImageViewRendererUtils.java:1089)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.RichImageViewRendererUtils.writeImageViewXML(RichImageViewRendererUtils.java:183)

at oracle.adfinternal.view.faces.bi.renderkit.graph.RichGraphRenderer.encodeFlashContent(RichGraphRenderer.java:539)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.RichImageViewRenderer.renderFlashContent(RichImageViewRenderer.java:1050)

at oracle.adfinternal.view.faces.bi.renderkit.common.RichDVTRenderer.encodeFlashContent(RichDVTRenderer.java:619)

at oracle.adfinternal.view.faces.bi.renderkit.common.RichDVTRenderer.encodeContent(RichDVTRenderer.java:361)

at oracle.adfinternal.view.faces.bi.renderkit.common.RichDVTRenderer.encodeContentDivs(RichDVTRenderer.java:175)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.RichImageViewRenderer.encodeContentDivs(RichImageViewRenderer.java:642)

at oracle.adfinternal.view.faces.bi.renderkit.graph.RichGraphRenderer.encodeContentDivs(RichGraphRenderer.java:436)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.RichImageViewRenderer.encodeAll(RichImageViewRenderer.java:515)

at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)

at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:341)

at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)

at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)

at oracle.adfinternal.view.faces.util.rich.InvokeOnComponentUtils$EncodeChildVisitCallback.visit(InvokeOnComponentUtils.java:113)

at org.apache.myfaces.trinidadinternal.context.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:222)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:378)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at oracle.adf.view.rich.component.rich.RichDocument.visitTree(RichDocument.java:198)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at oracle.adfinternal.view.faces.util.rich.InvokeOnComponentUtils.renderChild(InvokeOnComponentUtils.java:43)

at oracle.adfinternal.view.faces.streaming.StreamingDataManager._pprComponent(StreamingDataManager.java:756)

at oracle.adfinternal.view.faces.streaming.StreamingDataManager.execute(StreamingDataManager.java:525)

at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer._encodeStreamingResponse(DocumentRenderer.java:3606)

at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1508)

at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)

at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:341)

at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)

at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)

at javax.faces.component.UIComponent.encodeAll(UIComponent.java:933)

at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:266)

at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:197)

at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189)

at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:193)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:911)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:367)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:222)

at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)

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:205)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)

at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)

at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:179)

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)

java.lang.NullPointerException

at oracle.adf.model.binding.DCControlBinding.reportException(DCControlBinding.java:201)

at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeIndexOf(JUCtrlValueBinding.java:1444)

at oracle.adf.model.dvt.binding.transform.DataCell.getValue(DataCell.java:74)

at oracle.adf.model.dvt.binding.transform.BaseDataCell.getData(BaseDataCell.java:48)

at oracle.dss.util.transform.CubicDataAccess.processResult(CubicDataAccess.java:1101)

at oracle.dss.util.transform.CubicDataAccess.getResultAndCache(CubicDataAccess.java:1167)

at oracle.dss.util.transform.CubicDataAccess.getValue(CubicDataAccess.java:904)

at oracle.dss.util.transform.CubicDataAccess.getValue(CubicDataAccess.java:1448)

at oracle.adfinternal.view.faces.bi.util.DataAccessDecorator.getValue(DataAccessDecorator.java:53)

at oracle.dss.graph.DataCallback.getValue(DataCallback.java:422)

at oracle.dss.graph.DataCallback.getValue(DataCallback.java:379)

at oracle.dss.graph.pfj.Perspective.setDataFromDataGrid(Perspective.java:15841)

at oracle.dss.graph.pfj.Perspective.sendXMLToStreamExc(Perspective.java:12338)

at oracle.dss.graph.CommonGraph.exportToXMLWithException(CommonGraph.java:8042)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.ImageViewRendererUtils.renderXML(ImageViewRendererUtils.java:1089)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.RichImageViewRendererUtils.writeImageViewXML(RichImageViewRendererUtils.java:183)

at oracle.adfinternal.view.faces.bi.renderkit.graph.RichGraphRenderer.encodeFlashContent(RichGraphRenderer.java:539)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.RichImageViewRenderer.renderFlashContent(RichImageViewRenderer.java:1050)

at oracle.adfinternal.view.faces.bi.renderkit.common.RichDVTRenderer.encodeFlashContent(RichDVTRenderer.java:619)

at oracle.adfinternal.view.faces.bi.renderkit.common.RichDVTRenderer.encodeContent(RichDVTRenderer.java:361)

at oracle.adfinternal.view.faces.bi.renderkit.common.RichDVTRenderer.encodeContentDivs(RichDVTRenderer.java:175)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.RichImageViewRenderer.encodeContentDivs(RichImageViewRenderer.java:642)

at oracle.adfinternal.view.faces.bi.renderkit.graph.RichGraphRenderer.encodeContentDivs(RichGraphRenderer.java:436)

at oracle.adfinternal.view.faces.bi.renderkit.imageView.RichImageViewRenderer.encodeAll(RichImageViewRenderer.java:515)

at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)

at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:341)

at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)

at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)

at oracle.adfinternal.view.faces.util.rich.InvokeOnComponentUtils$EncodeChildVisitCallback.visit(InvokeOnComponentUtils.java:113)

at org.apache.myfaces.trinidadinternal.context.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:222)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:378)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:326)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at oracle.adf.view.rich.component.rich.RichDocument.visitTree(RichDocument.java:198)

at org.apache.myfaces.trinidad.component.UIXComponent.visitTree(UIXComponent.java:443)

at oracle.adfinternal.view.faces.util.rich.InvokeOnComponentUtils.renderChild(InvokeOnComponentUtils.java:43)

at oracle.adfinternal.view.faces.streaming.StreamingDataManager._pprComponent(StreamingDataManager.java:756)

at oracle.adfinternal.view.faces.streaming.StreamingDataManager.execute(StreamingDataManager.java:525)

at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer._encodeStreamingResponse(DocumentRenderer.java:3606)

at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1508)

at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1396)

at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:341)

at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:767)

at javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)

at javax.faces.component.UIComponent.encodeAll(UIComponent.java:933)

at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:266)

at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:197)

at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189)

at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:193)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:911)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:367)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:222)

at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)

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:205)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)

at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)

at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:179)

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)

在网上找了半天,连一个中文的解决方案都没有,还是参考的OTN Community的一个帖子(https://forums.oracle.com/thread/2389847?tstart=525)

引用:Open your .jspx file in the editor. Select the graph component. Click on the Bindings tab at the bottom.

You should see a binding between a graph component (under Bindings) to an Iterator (Executable) to

a Data Control element. Click on the Iterator, and under Advanced, set the CacheResults to false and rerun the application.

英文好的应该能看懂,不过我没看懂,经过询问之后解决方案如下:

打开.jspx文件,选择底部的bindings标签,如图
1

然后,找到Executable下的 EmployeesView3Itereator(因为拖放graph的时候拖拽的EmployeesView3),再如图
2

找Property Inspector,看这里哈,EmployeesView3Iterator - Property Inspector,有一个Advanced,Advanced下面有个CacheResults,值选择false, OK!

这样就解决了 ,再次启动看看。

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