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https://issues.apache.org/jira/browse/SLING-6637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15938564#comment-15938564
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Feike Visser commented on SLING-6637:
-------------------------------------
I see then the following pattern to avoid exceptions:
{code}
<sly data-sly-use.check="${ 'java class' @ resourcepath =
properties.pathToAResource}"/>
<sly data-sly-test="${ check.exists }">
<sly data-sly-use.r="${ properties.pathToAResource}"/>
</sly>
{code}
To me this defeats the purpose of data-sly-use to also supports resources,
because in the Java-code we already do a getResource.
> [htl] data-sly-use should not raise an exception when resource doesn't exist
> ----------------------------------------------------------------------------
>
> Key: SLING-6637
> URL: https://issues.apache.org/jira/browse/SLING-6637
> Project: Sling
> Issue Type: Bug
> Components: Scripting
> Reporter: Feike Visser
> Assignee: Radu Cotescu
>
> Following code:
> {code}
> <sly data-sly-use.x="${ '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.
> In addition we can log warning message when this happens.
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