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404 Error When Using Tools in Agent Node #18838

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opened 2026-02-21 19:52:31 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 19:52:31 -05:00
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Originally created by @MitraSafarinejad on GitHub (Oct 6, 2025).

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：）
  • Please do not modify this template :) and fill in all the required fields.

Dify version

1.9.1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

After updating to Dify v1.9.1, the Agent node triggers a 404 Not Found error in the browser console whenever certain tools (such as time or custom tools) are used.
However, despite the 404 error, the flow still runs correctly and the tool functions as expected.

Steps to Reproduce:

  1. Open Studio → Chatflow → Agent Node.
  2. Add a tool such as time or any custom tool.
  3. Run or preview the flow.
  4. Open the browser developer tools → Network tab.
  5. Observe a failing request to the Dify Marketplace API.
Image

✔️ Expected Behavior

The Agent node should call the tool without any 404 errors in the console or network tab.

❌ Actual Behavior

The following request returns a 404 Not Found

Originally created by @MitraSafarinejad on GitHub (Oct 6, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：） - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.9.1 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce After updating to Dify v1.9.1, the Agent node triggers a 404 Not Found error in the browser console whenever certain tools (such as time or custom tools) are used. However, despite the 404 error, the flow still runs correctly and the tool functions as expected. Steps to Reproduce: 1. Open Studio → Chatflow → Agent Node. 2. Add a tool such as time or any custom tool. 3. Run or preview the flow. 4. Open the browser developer tools → Network tab. 5. Observe a failing request to the Dify Marketplace API. <img width="1916" height="843" alt="Image" src="https://github.com/user-attachments/assets/6c9ccd04-253c-4dbb-80cf-3fa14d01b56f" /> ### ✔️ Expected Behavior The Agent node should call the tool without any 404 errors in the console or network tab. ### ❌ Actual Behavior The following request returns a 404 Not Found
yindo added the 🐞 bug label 2026-02-21 19:52:31 -05:00
yindo closed this issue 2026-02-21 19:52:31 -05:00
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Reference: langgenius/dify#18838
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