Model is not validated for write attribute handlers like it is add/remove ones ------------------------------------------------------------------------------ Key: WFCORE-3056 URL: https://issues.jboss.org/browse/WFCORE-3056 Project: WildFly Core Issue Type: Bug Components: Domain Management Affects Versions: 3.0.0.Beta28 Reporter: Ingo Weiss Assignee: Brian Stansberry When creating a new subsystem attribute and using .setValidator(new StringAllowedValuesValidator()) as in the below example: {code:java} public static final SimpleAttributeDefinition CACHE_TYPE = new SimpleAttributeDefinitionBuilder(Constants.CACHE_TYPE, ModelType.STRING, true) .setAllowExpression(true) .setValidator(new StringAllowedValuesValidator("default", INFINISPAN_CACHE_TYPE)) .build(); {code} The model is not validated during runtime, leading to WildFly not being able to boot after a reload due to an invalid model.