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[PR #23803] [CLOSED] fix: add automatic fallback when external loader fails #50428

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opened 2026-04-30 03:08:28 -05:00 by GiteaMirror · 0 comments
GiteaMirror commented 2026-04-30 03:08:28 -05:00
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📋 Pull Request Information

Original PR: https://github.com/open-webui/open-webui/pull/23803
Author: @marceaupatu123
Created: 4/16/2026
Status: ❌ Closed

Base: dev ← Head: fix/external-loader-auto-fallback

📝 Commits (10+)

📊 Changes

1 file changed (+29 additions, -2 deletions)

View changed files

📝 backend/open_webui/retrieval/loaders/main.py (+29 -2)

📄 Description

Pull Request Checklist

  • Target branch: Verify that the pull request targets the dev branch. PRs targeting main will be immediately closed.
  • Description: Provide a concise description of the changes made in this pull request down below.
  • Changelog: Ensure a changelog entry following the format of Keep a Changelog is added at the bottom of the PR description.
  • Documentation: Add docs in Open WebUI Docs Repository if needed.
  • Dependencies: No new dependency in this PR.
  • Testing: Manual testing has been performed; details are included below.
  • Agentic AI Code: Changes have gone through additional human review and manual testing.
  • Code review: Self-review completed.
  • Design & Architecture: No major architecture change; behavior uses fallback for resilience.
  • Git Hygiene: PR is atomic and focused.
  • Title Prefix: Uses fix: prefix.

Changelog Entry

Description

  • Add an automatic fallback path when the external document loader fails so RAG processing continues with the default loader behavior.

Added

  • Fallback behavior for external document loader failures.

Changed

  • Error handling flow now falls back to default loader instead of hard-failing when external loader is unavailable.

Deprecated

  • None.

Removed

  • None.

Fixed

  • Prevents retrieval workflow interruption when external loader errors.

Security

  • None.

Breaking Changes

  • BREAKING CHANGE: None.

Additional Information

  • Scope is limited to fallback behavior for external loader failures.

Screenshots or Videos

  • Not applicable (backend change).

Contributor License Agreement

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/open-webui/open-webui/pull/23803 **Author:** [@marceaupatu123](https://github.com/marceaupatu123) **Created:** 4/16/2026 **Status:** ❌ Closed **Base:** `dev` ← **Head:** `fix/external-loader-auto-fallback` --- ### 📝 Commits (10+) - [`fe6783c`](https://github.com/open-webui/open-webui/commit/fe6783c16699911c7be17392596d579333fb110c) Merge pull request #19030 from open-webui/dev - [`fc05e0a`](https://github.com/open-webui/open-webui/commit/fc05e0a6c5d39da60b603b4d520f800d6e36f748) Merge pull request #19405 from open-webui/dev - [`e3faec6`](https://github.com/open-webui/open-webui/commit/e3faec62c58e3a83d89aa3df539feacefa125e0c) Merge pull request #19416 from open-webui/dev - [`9899293`](https://github.com/open-webui/open-webui/commit/9899293f050ad50ae12024cbebee7e018acd851e) Merge pull request #19448 from open-webui/dev - [`140605e`](https://github.com/open-webui/open-webui/commit/140605e660b8186a7d5c79fb3be6ffb147a2f498) Merge pull request #19462 from open-webui/dev - [`6f1486f`](https://github.com/open-webui/open-webui/commit/6f1486ffd0cb288d0e21f41845361924e0d742b3) Merge pull request #19466 from open-webui/dev - [`d95f533`](https://github.com/open-webui/open-webui/commit/d95f533214e3fe5beb5e41ec1f349940bc4c7043) Merge pull request #19729 from open-webui/dev - [`a727153`](https://github.com/open-webui/open-webui/commit/a7271532f8a38da46785afcaa7e65f9a45e7d753) 0.6.43 (#20093) - [`6adde20`](https://github.com/open-webui/open-webui/commit/6adde203cd292a9e3af9c64a2ae36b603fed096a) Merge pull request #20394 from open-webui/dev - [`f9b0534`](https://github.com/open-webui/open-webui/commit/f9b0534e0c442631d1cb7205169588b9b6204179) Merge pull request #20522 from open-webui/dev ### 📊 Changes **1 file changed** (+29 additions, -2 deletions) <details> <summary>View changed files</summary> 📝 `backend/open_webui/retrieval/loaders/main.py` (+29 -2) </details> ### 📄 Description # Pull Request Checklist - [x] **Target branch:** Verify that the pull request targets the `dev` branch. **PRs targeting `main` will be immediately closed.** - [x] **Description:** Provide a concise description of the changes made in this pull request down below. - [ ] **Changelog:** Ensure a changelog entry following the format of Keep a Changelog is added at the bottom of the PR description. - [ ] **Documentation:** Add docs in Open WebUI Docs Repository if needed. - [ ] **Dependencies:** No new dependency in this PR. - [x] **Testing:** Manual testing has been performed; details are included below. - [x] **Agentic AI Code:** Changes have gone through additional human review and manual testing. - [x] **Code review:** Self-review completed. - [x] **Design & Architecture:** No major architecture change; behavior uses fallback for resilience. - [x] **Git Hygiene:** PR is atomic and focused. - [x] **Title Prefix:** Uses `fix:` prefix. # Changelog Entry ### Description - Add an automatic fallback path when the external document loader fails so RAG processing continues with the default loader behavior. ### Added - Fallback behavior for external document loader failures. ### Changed - Error handling flow now falls back to default loader instead of hard-failing when external loader is unavailable. ### Deprecated - None. ### Removed - None. ### Fixed - Prevents retrieval workflow interruption when external loader errors. ### Security - None. ### Breaking Changes - **BREAKING CHANGE**: None. --- ### Additional Information - Scope is limited to fallback behavior for external loader failures. ### Screenshots or Videos - Not applicable (backend change). ### Contributor License Agreement - [x] By submitting this pull request, I confirm that I have read and fully agree to the [Contributor License Agreement (CLA)](https://github.com/open-webui/open-webui/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT), and I am providing my contributions under its terms. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
GiteaMirror added the pull-request label 2026-04-30 03:08:28 -05:00
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Reference: github-starred/open-webui#50428
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