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https://issues.apache.org/jira/browse/CAUSEWAY-3878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andi Huber closed CAUSEWAY-3878.
--------------------------------

> [Wicket Viewer] Potential UI exception when deleting an Entity (as surfaces 
> with SecMan)
> ----------------------------------------------------------------------------------------
>
>                 Key: CAUSEWAY-3878
>                 URL: https://issues.apache.org/jira/browse/CAUSEWAY-3878
>             Project: Causeway
>          Issue Type: Bug
>          Components: Viewer Wicket
>            Reporter: Andi Huber
>            Assignee: Andi Huber
>            Priority: Blocker
>             Fix For: 3.3.0
>
>
> E.g. cannot delete User.
> {noformat}
> Caused by: java.lang.IllegalArgumentException: cannot recreate from memento 
> for deleted object
>       at 
> org.apache.causeway.commons.internal.exceptions._Exceptions.illegalArgument(_Exceptions.java:79)
>  ~[classes/:?]
>       at 
> org.apache.causeway.core.metamodel.tabular.internal.DataTableInternal$Memento.getDataTableModel(DataTableInternal.java:442)
>  ~[classes/:?]
>       at 
> org.apache.causeway.core.metamodel.tabular.internal.DataTableInternal$Memento.getDataTableModel(DataTableInternal.java:1)
>  ~[classes/:?]
>       at 
> org.apache.causeway.viewer.wicket.model.models.coll.CollectionModelAbstract.load(CollectionModelAbstract.java:73)
>  ~[classes/:?]
>       at 
> org.apache.causeway.viewer.wicket.model.models.coll.CollectionModelAbstract.load(CollectionModelAbstract.java:1)
>  ~[classes/:?]
>       at 
> org.apache.wicket.model.LoadableDetachableModel.getObject(LoadableDetachableModel.java:128)
>  ~[wicket-core-10.4.0.jar:10.4.0]
>       at 
> org.apache.causeway.viewer.wicket.model.models.coll.CollectionModelAbstract.getDataTableModel(CollectionModelAbstract.java:85)
>  ~[classes/:?]
>       at 
> org.apache.causeway.viewer.wicket.model.models.coll.CollectionModel.getName(CollectionModel.java:120)
>  ~[classes/:?]
>       at 
> org.apache.causeway.viewer.wicket.ui.components.collection.export.CollectionContentsAsExportFactory.createComponent(CollectionContentsAsExportFactory.java:75)
>  ~[classes/:?]
>       at 
> org.apache.causeway.viewer.wicket.ui.components.collection.selector.CollectionPresentationSelectorPanel.lambda$0(CollectionPresentationSelectorPanel.java:162)
>  ~[classes/:?]
>       at 
> org.apache.causeway.viewer.wicket.ui.util.Wkt$20.populateItem(Wkt.java:956) 
> ~[classes/:?]
> {noformat}



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