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docs(ext-plugin-post-resp): clarify HTTP-only upstream limitation#13533

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moying2026 wants to merge 1 commit into
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moying2026:auto/issue-13394
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docs(ext-plugin-post-resp): clarify HTTP-only upstream limitation#13533
moying2026 wants to merge 1 commit into
apache:masterfrom
moying2026:auto/issue-13394

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Summary

Add caution notes to both English and Chinese documentation explaining that ext-plugin-post-resp only works with HTTP upstreams since it uses lua-resty-http internally.

Changes

  • docs/en/latest/plugins/ext-plugin-post-resp.md: Added caution note about HTTP-only upstream limitation and incompatibility with gRPC transcoding.
  • docs/zh/latest/plugins/ext-plugin-post-resp.md: Added equivalent caution note in Chinese.

Fixes #13394

Checklist

  • I have explained the need for this PR and the problem it solves
  • I have explained the changes or the new features added to this PR
  • I have updated the documentation to reflect this change
  • I have verified that this change is backward compatible

Add caution notes to both English and Chinese documentation explaining
that ext-plugin-post-resp only works with HTTP upstreams since it uses
lua-resty-http internally. Incompatible with gRPC transcoding and other
non-HTTP upstream response flows.

Fixes apache#13394
@dosubot dosubot Bot added size:S This PR changes 10-29 lines, ignoring generated files. doc Documentation things labels Jun 11, 2026
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