[jira] [Closed] (SLING-9783) The HTL compiler will trigger a NPE if a null value should be written into an HTML attribute

["Radu Cotescu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-9783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radu Cotescu closed SLING-9783.
-------------------------------

> The HTL compiler will trigger a NPE if a null value should be written into an HTML attribute
> --------------------------------------------------------------------------------------------
>
>                 Key: SLING-9783
>                 URL: https://issues.apache.org/jira/browse/SLING-9783
>             Project: Sling
>          Issue Type: Bug
>          Components: Scripting
>    Affects Versions: Scripting HTL Compiler 1.2.8-1.4.0
>            Reporter: Radu Cotescu
>            Assignee: Radu Cotescu
>            Priority: Major
>             Fix For: Scripting HTL Compiler 1.2.10-1.4.0, Scripting HTL Testing Content 1.0.24-1.4.0, Scripting HTL Testing 1.0.26-1.4.0
>
>
> SLING-9696 introduced a side-effect into the HTL compiler, which doesn't correctly check if an attribute should be displayed or not when the evaluated expression returns a {{null}} value.
> The following code example will generate a NPE:
> {code:html}
> <a href="${pojo.null @ context='unsafe'}>Click</a>
> {code}
> if the {{pojo.null}} actually returns {{null}}, since the {{unsafe}} context will return the original passed value.



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