[jira] [Updated] (ISIS-3269) Selecting the empty item from the choices of an optional parameter throws exception

["Daniel Keir Haywood (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ISIS-3269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Keir Haywood updated ISIS-3269:
--------------------------------------
    Fix Version/s: 2.0.0-RC1

> Selecting the empty item from the choices of an optional parameter throws exception
> -----------------------------------------------------------------------------------
>
>                 Key: ISIS-3269
>                 URL: https://issues.apache.org/jira/browse/ISIS-3269
>             Project: Isis
>          Issue Type: Bug
>          Components: Isis Viewer Wicket
>    Affects Versions: 2.0.0-M9
>            Reporter: Zermelo
>            Priority: Major
>             Fix For: 2.0.0-RC1
>
>         Attachments: SelectingNoneThrowsAnException.mov
>
>
> In wicket viewer, selecting the empty (none) item from the select box (choices) of an optional action parameter throws an exception. I experience it both with Enum parameters and String parameters.
> To test it, you can add this snippet to SimpleObjects.java in SimpleApp.
> {code:java}
> public enum SomeOption {A, B, C}
> @Action
> public void a1(@Parameter(optionality = Optionality.OPTIONAL) SomeOption someOption) {
> }
> @Action
> public void a2(@Parameter(optionality = Optionality.OPTIONAL) String someOption) {
> }
> @MemberSupport
> public List<String> choices0A2() {
>     return Arrays.asList("A", "B", "C");
> } {code}



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