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Bug
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Resolution: Fixed
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Normal
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3.9.0
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Security Level: Jean
Steps to Reproduce
run the attached example
Actual Result
The blank sheet is initially loaded and dynamically filled.
2 Rows are inserted
NPE occurs
Oct 05, 2016 2:11:12 PM org.zkoss.zk.ui.impl.UiEngineImpl handleError SEVERE: java.lang.NullPointerException at org.zkoss.zss.ui.Spreadsheet$ExtraCtrl.insertRows(Spreadsheet.java:3970) at org.zkoss.zss.ui.Spreadsheet$InnerModelEventDispatcher.onRowColumnInsertDelete(Spreadsheet.java:2697) at org.zkoss.zss.ui.Spreadsheet$InnerModelEventDispatcher.access$1700(Spreadsheet.java:2321) at org.zkoss.zss.ui.Spreadsheet$InnerModelEventDispatcher$11.onEvent(Spreadsheet.java:2390) at org.zkoss.zss.ui.ModelEventDispatcher.onEvent(ModelEventDispatcher.java:49) at org.zkoss.zss.model.impl.EventQueueListenerAdaptor$WrappedListener.onEvent(EventQueueListenerAdaptor.java:107) at org.zkoss.zk.ui.event.impl.DesktopEventQueue$QueueListener.onEvent(DesktopEventQueue.java:168) at org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:3163) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:3133) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:3075) at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:138) at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1853) at org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1625) at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:548) at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:369) at org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:211) at org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:137) ...
Expected Result
no exception
Debug Info
This does not happen during an Ajax update
And the problem does not happen when inserting just 2 cells instead of whole rows.
Workaround
Access the internal sheet and add the rows directly bypassing the Range API
sheet1.getInternalSheet().insertRow(2, 3);