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eclipse-sirius / sirius-web

Reusable frontend and backend components for Sirius Web
https://eclipse.dev/sirius/sirius-web.html
Eclipse Public License 2.0
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Exception in ModelBrowsersDescriptionProvider #2950

Open pcdavid opened 5 months ago

pcdavid commented 5 months ago

Not sure what's the scenario to trigger this, but seen in the logs:

java.lang.NullPointerException: Cannot invoke "java.util.List.get(int)" because the return value of "java.util.Map.get(Object)" is null
    at org.eclipse.sirius.components.collaborative.widget.reference.browser.ModelBrowsersDescriptionProvider.resolveReferenceEClass(ModelBrowsersDescriptionProvider.java:174) ~[sirius-components-collaborative-widget-reference-2023.12.9.jar!/:2023.12.9]
    at org.eclipse.sirius.components.collaborative.widget.reference.browser.ModelBrowsersDescriptionProvider.lambda$addRepresentationDescriptions$2(ModelBrowsersDescriptionProvider.java:93) ~[sirius-components-collaborative-widget-reference-2023.12.9.jar!/:2023.12.9]
    at org.eclipse.sirius.components.trees.renderer.TreeRenderer.renderTreeItem(TreeRenderer.java:67) ~[sirius-components-trees-2023.12.9.jar!/:2023.12.9]
    at org.eclipse.sirius.components.trees.renderer.TreeRenderer.render(TreeRenderer.java:51) ~[sirius-components-trees-2023.12.9.jar!/:2023.12.9]
frouene commented 5 months ago

I am reproducing by using a non-existent reference for a reference widget