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Bug
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Resolution: Fixed
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Normal
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8.5.0
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Security Level: Jimmy
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None
Steps to Reproduce
run the attached example rod-list-replace.zul
1. scroll to the bottom of the listbox dragging the scrollbar
2. scroll down again
3. click the last listitem
Current Result
1. the scroll position will jump up again ~50% of the height
2. the scroll position remains at the bottom
3. 3 exceptions are thrown:
java.lang.IndexOutOfBoundsException: Index: 276, Size: 160 at java.util.ArrayList.rangeCheck(ArrayList.java:653) at java.util.ArrayList.get(ArrayList.java:429) at org.zkoss.zul.ListModelList.getElementAt(ListModelList.java:158) at org.zkoss.zul.Listbox$Renderer.render(Listbox.java:2759) at org.zkoss.zul.Listbox.renderItems(Listbox.java:2891) at org.zkoss.zkmax.zul.impl.LiveListboxDataLoader.loadModelAndRenderItems(LiveListboxDataLoader.java:292) at org.zkoss.zkmax.zul.impl.LiveListboxDataLoader.access$200(LiveListboxDataLoader.java:60) at org.zkoss.zkmax.zul.impl.LiveListboxDataLoader$1.onEvent(LiveListboxDataLoader.java:321) at org.zkoss.zkmax.zul.impl.LiveListboxDataLoader$1.onEvent(LiveListboxDataLoader.java:310) at org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:3165) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:3135) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:3077) at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:138) at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1846) ... java.lang.NullPointerException at org.zkoss.zul.Listbox$Renderer.render(Listbox.java:2754) at org.zkoss.zul.Listbox.renderItems(Listbox.java:2891) at org.zkoss.zul.Listbox.service(Listbox.java:3740) at org.zkoss.zk.ui.impl.DesktopImpl.service(DesktopImpl.java:758) at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1310) at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:606) ... java.lang.NullPointerException at org.zkoss.zul.Listbox$Renderer.render(Listbox.java:2754) at org.zkoss.zul.Listbox.renderItems(Listbox.java:2891) at org.zkoss.zul.Listbox.service(Listbox.java:3740) at org.zkoss.zk.ui.impl.DesktopImpl.service(DesktopImpl.java:758) at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1310) at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:606) ...
Expected Result
stable scroll position
no exceptions
Debug Info
related to ZK-3570 (ROD and renderAll are used in combination...)
- relates to
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- Closed
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