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Type:
Bug
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Resolution: Fixed
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Priority:
Normal
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Affects Version/s: 8.5.0
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Component/s: Components
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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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ZK-3570 NPE when removing listmodel element
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- Closed
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