[jira] [Assigned] (SLING-11882) XSS Protection API: Apply shading/package relocation to embedded Guava+Co Libraries

["Stefan Seifert (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-11882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Seifert reassigned SLING-11882:
--------------------------------------

    Assignee: Stefan Seifert

> XSS Protection API: Apply shading/package relocation to embedded Guava+Co Libraries
> -----------------------------------------------------------------------------------
>
>                 Key: SLING-11882
>                 URL: https://issues.apache.org/jira/browse/SLING-11882
>             Project: Sling
>          Issue Type: Improvement
>          Components: XSS Protection API
>    Affects Versions: XSS Protection API 2.3.0
>            Reporter: Stefan Seifert
>            Assignee: Stefan Seifert
>            Priority: Major
>             Fix For: XSS Protection API 2.3.10
>
>
> with version 2.3.0 of the XSS Protection API the internal implementation was switched to OWASP sanitizer library (esapi) in SLING-7231.
> with this new implementation comes a load of 3rdparty libraries including a guava version, which is embedded as private packages in the OSGi bundle. this is completely fine from an OSGi bundle perspective and works.
> however, in unit test contexts this can lead to problems, because depending on the dependency order the embedded guava classes may overlay other guava classes references in the same POM with a different version, leading to problems running code in the unit test context. to prevent problems like this, we usually apply a shading and relocation of the package names to ensure such clashes in classpath does no happen.
> the same problem may affect other libraries embedded in the bundle.



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