[jira] [Commented] (SLING-6637) [htl] data-sly-use should not raise an exception when resource doesn't exist

["Feike Visser (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLING-6637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15924181#comment-15924181 ] 

Feike Visser commented on SLING-6637:
-------------------------------------

thanks [~radu.cotescu] for your reply.
So in order to avoid this exception devs will need to check if the resource exists, what would be the best way for these use cases?

> [htl] data-sly-use should not raise an exception when resource doesn't exist
> ----------------------------------------------------------------------------
>
>                 Key: SLING-6637
>                 URL: https://issues.apache.org/jira/browse/SLING-6637
>             Project: Sling
>          Issue Type: Bug
>          Components: Scripting
>            Reporter: Feike Visser
>            Assignee: Radu Cotescu
>
> Following code: 
> {code}
> <sly data-sly-use.x="${ 'x/y/z' }"/>
> {code}
> You get now the following exception:
> {code}
> org.apache.sling.scripting.sightly.SightlyException: No use provider could resolve identifier x/y/z
> {code}
> In practice you want to have a null-value assigned to x, now developers will make a lot of checks to make sure the resource does exist.



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