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https://issues.apache.org/jira/browse/SLING-12238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler resolved SLING-12238.
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Resolution: Fixed
https://github.com/apache/sling-org-apache-sling-rewriter/commit/bd45e2145a438899c487184ce388a579270495f0
> Prevent NullPointerException if global transformer returns null
> ---------------------------------------------------------------
>
> Key: SLING-12238
> URL: https://issues.apache.org/jira/browse/SLING-12238
> Project: Sling
> Issue Type: Improvement
> Components: General
> Affects Versions: Rewriter 1.3.8
> Reporter: Carsten Ziegeler
> Assignee: Carsten Ziegeler
> Priority: Major
> Fix For: Rewriter 1.3.10
>
>
> A TransformerFactory for a global transformer might return null for the
> Transformer, similar the factory might already be gone. Both result in a null
> value inserted into the array of global transformers.
> Later on, when that array is processed, there is no null check anymore.
> Potentially resulting in a NullPointerException
> This should be guarded with a null check, as this might happen in a dynamic
> system
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