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[PR #27179] Fix: ensure Error classes are instantiated before raising #31702

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opened 2026-02-21 20:49:58 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 20:49:58 -05:00
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Original Pull Request: https://github.com/langgenius/dify/pull/27179

State: closed
Merged: No

Fixes #27180

Previously, many raise XXXError statements were missing parentheses, causing exception classes to be raised instead of instances. This broke normal error propagation — error handlers, loggers, and response mappers could not access exception attributes or messages.

This patch standardizes all raise statements to instantiate the exception (raise XXXError()), restoring consistent error handling and preventing subtle runtime issues.

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fix-error

Checklist

  • This change requires a documentation update, included: Dify Document
  • I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
  • I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
  • I've updated the documentation accordingly.
  • I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods
**Original Pull Request:** https://github.com/langgenius/dify/pull/27179 **State:** closed **Merged:** No --- Fixes #27180 Previously, many raise XXXError statements were missing parentheses, causing exception classes to be raised instead of instances. This broke normal error propagation — error handlers, loggers, and response mappers could not access exception attributes or messages. This patch standardizes all raise statements to instantiate the exception (raise XXXError()), restoring consistent error handling and preventing subtle runtime issues. ## Summary <!-- Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change. --> ## Screenshots <img width="900" height="716" alt="fix-error" src="https://github.com/user-attachments/assets/c3e791ae-2835-4a5d-bca2-8940737753ee" /> ## Checklist - [ ] This change requires a documentation update, included: [Dify Document](https://github.com/langgenius/dify-docs) - [x] I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!) - [x] I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change. - [x] I've updated the documentation accordingly. - [x] I ran `dev/reformat`(backend) and `cd web && npx lint-staged`(frontend) to appease the lint gods
yindo added the pull-request label 2026-02-21 20:49:58 -05:00
yindo closed this issue 2026-02-21 20:49:58 -05:00
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Reference: langgenius/dify#31702
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