- final String modelInvariantId = resourceModel.getModelId();
- throw new IllegalArgumentException(String.format(GENERATOR_AAI_PROVIDING_SERVICE_MISSING,
- modelInvariantId == null ? "<null ID>" : modelInvariantId));
+ throw new XmlArtifactGenerationException(String.format(GENERATOR_AAI_PROVIDING_SERVICE_MISSING,
+ Optional.ofNullable(resourceModel.getModelId()).orElse("<null ID>")));