Troubleshooting Entity Ingestion CBA Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A catalog-info.yaml file contains a component entity with `spec.lifecycle: production` and `spec.system: checkout`. The system entity `checkout` exists in the catalog. The component appears in the catalog, but the 'System' field in the UI shows 'Unresolved'. The catalog logs show: 'Entity has an invalid relation: partOf, target system:checkout'. What is the issue?

   • AThe system entity is in a different namespace than the component.
   • BThe system entity has no `spec.owner` field.
   • CThe component entity has a `spec.dependsOn` field that conflicts with `spec.system`.
   • DThe component entity is missing the `spec.type` field.
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2. 17application · medium

   A catalog entity was deleted from its source YAML file, but it still appears in the Backstage catalog. Other entities from the same location were deleted and disappeared correctly. What is the most likely cause?

   • AThe entity is referenced by another entity via a `dependsOn` relation.
   • BThe catalog's refresh interval is set to a very long duration.
   • CThe entity has a `backstage.io/orphan` annotation set to 'false'.
   • DThe catalog processor for the location is not running.
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4. 18application · medium

   A user tries to register a new location by pasting a URL to a catalog-info.yaml file. The catalog returns an error: 'Entity does not match the schema: /metadata/name must be a string'. The file content is visible and the name field appears correct. What is the most likely cause?

   • AThe YAML file uses a non-string value for `metadata.name`, such as a number or boolean.
   • BThe URL points to a file that is not actually YAML but JSON.
   • CThe catalog location is configured with the wrong processor type.
   • DThe entity has a `metadata.namespace` field that is not a string.
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5. 19foundation · easy

   Which of the following is a required field in a valid Backstage entity descriptor?

   • A`spec.owner`
   • B`apiVersion`
   • C`spec.type`
   • D`metadata.annotations`
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6. 20application · medium

   A custom catalog processor is registered in the backend. When a new location is added, the processor throws an error: 'TypeError: Cannot read properties of undefined (reading 'map')'. The location is added but no entities are ingested. What is the most likely issue with the custom processor?

   • AThe location URL points to a directory instead of a single file.
   • BThe processor is not registered in the `catalog.processors` configuration.
   • CThe entity descriptor has an invalid `apiVersion` field.
   • DThe processor's `preProcessEntity` method returns `undefined` instead of an array.
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