[jboss-jira] [JBoss JIRA] (WFCORE-1440) Expression resolver breaks return value for empty lists

[Brian Stansberry (JIRA)]

     [ https://issues.jboss.org/browse/WFCORE-1440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brian Stansberry updated WFCORE-1440:
-------------------------------------
    Git Pull Request: https://github.com/wildfly/wildfly-core/pull/1477


> Expression resolver breaks return value for empty lists
> -------------------------------------------------------
>
>                 Key: WFCORE-1440
>                 URL: https://issues.jboss.org/browse/WFCORE-1440
>             Project: WildFly Core
>          Issue Type: Bug
>          Components: Domain Management
>    Affects Versions: 2.1.0.CR1
>            Reporter: Tomaz Cerar
>            Assignee: Tomaz Cerar
>             Fix For: 3.0.0.Alpha1
>
>
> ExpressionResolverImpl#resolveExpressionsRecursively
> does 
> {code}
> else if (type == ModelType.LIST) {
>             resolved = node.clone();
>             ModelNode list = new ModelNode();
>             for (ModelNode current : resolved.asList()) {
>                 list.add(resolveExpressionsRecursively(current));
>             }
>             resolved = list;
>         } 
> {code}
> for list attributes, but in case that resolved value is empty list it would return list that is undefined instead of empty list.



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