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[5.0.x] Update Partial Rendering - #1053

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volosied merged 1 commit into
apache:mainfrom
volosied:main
Aug 24, 2026
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[5.0.x] Update Partial Rendering#1053
volosied merged 1 commit into
apache:mainfrom
volosied:main

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The jakarta.faces.partial.render / .execute request parameters (and the
jakarta.faces.source parameter) were split into client ids without any
limit on the number or length of the ids. PartialVisitContext then
retained one prefix substring per naming-container separator of each id,
so a single very long id was expensive to process.

Cap the parsed list to 256 ids of at most 256 chars each, collapse
duplicates, and bound the naming-container depth registered per id in
PartialVisitContext so that work stays linear in the id length.

Update Partial Context comments
@tandraschko

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Please not the Postback/isAjaxRequest change, it breaks the spec

@volosied
volosied merged commit 492a911 into apache:main Aug 24, 2026
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