Forge UI should not call UICommand.validate() if required inputs are not populated ---------------------------------------------------------------------------------- Key: FORGE-2021 URL: https://issues.jboss.org/browse/FORGE-2021 Project: Forge Issue Type: Feature Request Components: UI - API Affects Versions: 2.10.1.Final Reporter: Lincoln Baxter III Assignee: George Gastaldi Fix For: 2.10.2.Final This command: {code}public class WindupWizard implements UIWizard, UICommand @Inject @WithAttributes(label = "Input", required = true, description = "Input File or Directory (a Directory is required for source mode)") private UIInput<FileResource<?>> input; @Override public void validate(UIValidationContext context) { FileResource<?> inputValue = this.input.getValue(); File inputFile = inputValue.getUnderlyingResourceObject(); {code} Results in an NPE when the command is called using guided execution: {code} [Desktop]$ windup-migrate-app Exception when parsing/running: windup-migrate-app , null [Desktop]$ {code}