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https://issues.apache.org/jira/browse/ISIS-1937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dan Haywood updated ISIS-1937:
------------------------------
Fix Version/s: (was: 1.18.0)
2.0.3
> NPE when render domain entity for first time that has contributed action on
> contributed collection.
> ---------------------------------------------------------------------------------------------------
>
> Key: ISIS-1937
> URL: https://issues.apache.org/jira/browse/ISIS-1937
> Project: Isis
> Issue Type: Bug
> Affects Versions: 1.16.2
> Reporter: Dan Haywood
> Priority: Major
> Fix For: 2.0.3
>
>
> for example
> [https://github.com/danhaywood/busydevtutorial]
> in Pets.layout.xml, remove the "visits" collection to reproduce. The
> contributed Pet_bookVisit action causes the issue because its "owner" is not
> declared and so returns null.
>
> {code:java}
> Caused by: java.lang.NullPointerException
> at
> org.apache.isis.core.metamodel.services.grid.bootstrap3.GridSystemServiceBS3.addActionTo(GridSystemServiceBS3.java:661)
> at
> org.apache.isis.core.metamodel.services.grid.bootstrap3.GridSystemServiceBS3.validateAndNormalize(GridSystemServiceBS3.java:529)
> at
> org.apache.isis.core.metamodel.services.grid.GridSystemServiceAbstract.normalize(GridSystemServiceAbstract.java:165)
> at
> org.apache.isis.core.metamodel.services.grid.GridServiceDefault.normalize(GridServiceDefault.java:102)
> at
> org.apache.isis.core.metamodel.facets.object.grid.GridFacetDefault.load(GridFacetDefault.java:75)
> at
> org.apache.isis.core.metamodel.facets.object.grid.GridFacetDefault.getGrid(GridFacetDefault.java:65)
> at
> org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.CollectionContentsAsAjaxTablePanel.addPropertyColumnsIfRequired(CollectionContentsAsAjaxTablePanel.java:170)
> at
> org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.CollectionContentsAsAjaxTablePanel.buildGui(CollectionContentsAsAjaxTablePanel.java:102)
> at
> org.apache.isis.viewer.wicket.ui.components.collectioncontents.ajaxtable.CollectionContentsAsAjaxTablePanel.onInitialize(CollectionContentsAsAjaxTablePanel.java:80)
> at org.apache.wicket.Component.fireInitialize(Component.java:878)
> at
> org.apache.wicket.MarkupContainer.internalInitialize(MarkupContainer.java:1070)
> at org.apache.wicket.MarkupContainer.addedComponent(MarkupContainer.java:1047)
> at org.apache.wicket.MarkupContainer.add(MarkupContainer.java:241)
> at org.apache.wicket.MarkupContainer.addOrReplace(MarkupContainer.java:265)
> at{code}
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